Curva de Phillips

Análise do modelo proposto pelo Banco Central (2003.1 - 2021.12)

Limpando o console:

rm(list = ls())

Retirando a notação ciêntífica:

options(scipen = 9999)
options(max.print = 100000)

Carreganto os pacotes necessários:

library(urca)
library("writexl")
library(tsbox)
library(ggplot2)
library(faraway)
library(mFilter) #filtro hp
library(dynlm) #lags
library(fBasics)
library(lmtest) #pacote para fazer testes de regressão multipla
library(whitestrap)
library(FinTS) #arch
library(moments)
library(scales)

Gerando a base de dados:

CambioNominal<-rbcb::get_series(3695, start_date = "2003-01-01",
                             end_date = "2021-12-30")

IPP<-rbcb::get_series(225, start_date = "2003-01-01",
                                end_date = "2021-12-30")


IPADI<-rbcb::get_series(11758, start_date = "2003-01-01",
                         end_date = "2021-12-30")

IPADIBR<-rbcb::get_series(11757, start_date = "2003-01-01",
                        end_date = "2021-12-30")
IPADIBR$`11757`=(IPADIBR$`11757`/74.41)*100

IPPdata=read.table("tentativaIPP.txt", head=T)
CambioReal<-(CambioNominal$`3695`*IPPdata$IPPUS)/IPPdata$IPPBR
IPA10=read.table("ipa10alterado.txt", head=T)
CambioReal2<-(CambioNominal$`3695`*IPPdata$IPPUS)/IPA10$IPA.10

# write_xlsx(Phillips,"C:/Users/55819/Desktop/R Trabalho/TabelaDadosExcel.xlsx") Exportar pra excel
Phillips=read.table("Dadoscomn.txt", head=T)
Phillips=cbind(Phillips, CambioReal2)
PhillipsGraph=Phillips;
PhillipsGraph$Data<-as.Date(PhillipsGraph$Data, format = "%d/%m/%Y")
names(Phillips) <- c("n","Governo","Data", "PibR", "ipca", "eipca", "Cambio", "CambioReal2")
PhillipsDados=Phillips
Phillips$Cambio=Phillips$CambioReal2
attach(Phillips)

Visualização da base de dados:


O banco de dados contém 228 observações que estão dispostas acima sob a forma de dados combinados



Análise descritiva

PIB Real

Série Histórica

Histograma

BoxPlot

QQ Plot

IPCA

Série Histórica

Histograma

BoxPlot

QQ Plot

EIPCA

Série Histórica

Histograma

BoxPlot

QQ Plot

Câmbio Real

Série Histórica

Histograma

BoxPlot

QQ Plot

Modelos Econométricos Estimados

Curva de Phillips (Backward-Looking)

\[\pi _t = \alpha ^b_1+\pi_{t-1}+\alpha^b_2\pi_{t-2}+\alpha^b_3h_{t-1}+\alpha^b_4\Delta (p^F_t+e_t)+\varepsilon ^b_t\]

Linear

Em nível

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2021(12)
## 
## Call:
## dynlm(formula = ipca ~ lag(ipca, -1) + lag(ipca, -2) + lag(hiato, 
##     -1) + Cambio)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.95418 -0.17585 -0.00272  0.20260  1.37329 
## 
## Coefficients:
##                     Estimate    Std. Error t value            Pr(>|t|)    
## (Intercept)     0.1967743167  0.1304072248   1.509               0.133    
## lag(ipca, -1)   1.5644203006  0.0509379819  30.712 <0.0000000000000002 ***
## lag(ipca, -2)  -0.6054611165  0.0506684882 -11.949 <0.0000000000000002 ***
## lag(hiato, -1)  0.0000002671  0.0000001633   1.635               0.103    
## Cambio          0.0073434026  0.0274467302   0.268               0.789    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3731 on 221 degrees of freedom
## Multiple R-squared:  0.9819, Adjusted R-squared:  0.9816 
## F-statistic:  3003 on 4 and 221 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.3014, df1 = 101, df2 = 100, p-value = 0.09432
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 24.369, df = 4, p-value = 0.00006736
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 12.69
## P-value: 0.001759
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9326, p-value = 0.2264
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 13.603, df = 4, p-value = 0.008675
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 9.2838, df = 4, p-value = 0.05438
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 56.983, df = 12, p-value = 0.00000007959
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.84572 -0.18860 -0.00625  0.16053  1.23569 
## 
## Coefficients:
##                  Estimate   Std. Error t value    Pr(>|t|)    
## (Intercept)   0.004642592  0.044953924   0.103      0.9178    
## z.lag.1      -1.031071466  0.213822032  -4.822 0.000002827 ***
## tt           -0.000002637  0.000335440  -0.008      0.9937    
## z.diff.lag1  -0.010026445  0.206148293  -0.049      0.9613    
## z.diff.lag2  -0.026958199  0.206331733  -0.131      0.8962    
## z.diff.lag3   0.068604436  0.204335387   0.336      0.7374    
## z.diff.lag4   0.186991063  0.197877526   0.945      0.3458    
## z.diff.lag5   0.130619143  0.185674500   0.703      0.4826    
## z.diff.lag6   0.194556022  0.171861132   1.132      0.2590    
## z.diff.lag7   0.103440704  0.160973507   0.643      0.5212    
## z.diff.lag8   0.120161897  0.146899963   0.818      0.4143    
## z.diff.lag9   0.235310429  0.134181245   1.754      0.0810 .  
## z.diff.lag10  0.376878605  0.113748685   3.313      0.0011 ** 
## z.diff.lag11  0.479225115  0.090170805   5.315 0.000000287 ***
## z.diff.lag12  0.121703551  0.066803788   1.822      0.0700 .  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2983 on 198 degrees of freedom
## Multiple R-squared:  0.628,  Adjusted R-squared:  0.6017 
## F-statistic: 23.88 on 14 and 198 DF,  p-value: < 0.00000000000000022
## 
## 
## Value of test-statistic is: -4.8221 7.9085 11.72 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 147.4098
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:25 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.95831, p-value = 0.00000376
Multicolinearidade
vif(regressao)
##  lag(ipca, -1)  lag(ipca, -2) lag(hiato, -1)         Cambio 
##      33.232900      33.779848       1.014715       1.200278

2003 - 2010

## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2010(12)
## 
## Call:
## dynlm(formula = ipca2003_2010 ~ lag(ipca2003_2010, -1) + lag(ipca2003_2010, 
##     -2) + lag(hiato2003_2010, -1) + Cambio2003_2010)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.84406 -0.16445  0.01652  0.21434  0.88248 
## 
## Coefficients:
##                              Estimate    Std. Error t value
## (Intercept)              0.1542814214  0.2283400359   0.676
## lag(ipca2003_2010, -1)   1.5969468437  0.0718353064  22.231
## lag(ipca2003_2010, -2)  -0.6527086553  0.0721876337  -9.042
## lag(hiato2003_2010, -1)  0.0000004039  0.0000005467   0.739
## Cambio2003_2010          0.0326519848  0.0494684896   0.660
##                                     Pr(>|t|)    
## (Intercept)                            0.501    
## lag(ipca2003_2010, -1)  < 0.0000000000000002 ***
## lag(ipca2003_2010, -2)    0.0000000000000308 ***
## lag(hiato2003_2010, -1)                0.462    
## Cambio2003_2010                        0.511    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3745 on 89 degrees of freedom
## Multiple R-squared:  0.9875, Adjusted R-squared:  0.987 
## F-statistic:  1762 on 4 and 89 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.13798, df1 = 35, df2 = 34, p-value = 1
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 19.981, df = 4, p-value = 0.0005036
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 16.57
## P-value: 0.000252
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9058, p-value = 0.1976
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 15.564, df = 4, p-value = 0.003664
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 6.205, df = 4, p-value = 0.1843
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 42.595, df = 12, p-value = 0.00002643
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.53553 -0.14461  0.00091  0.15361  0.47801 
## 
## Coefficients:
##                Estimate Std. Error t value Pr(>|t|)   
## (Intercept)  -0.0413161  0.0687430  -0.601  0.54985   
## z.lag.1      -1.0697662  0.3911196  -2.735  0.00797 **
## tt            0.0008132  0.0011519   0.706  0.48266   
## z.diff.lag1   0.0576021  0.3805021   0.151  0.88013   
## z.diff.lag2   0.1376403  0.3652053   0.377  0.70745   
## z.diff.lag3   0.0266671  0.3343054   0.080  0.93666   
## z.diff.lag4   0.0884772  0.2962939   0.299  0.76616   
## z.diff.lag5   0.0625660  0.2617225   0.239  0.81179   
## z.diff.lag6   0.1091906  0.2303100   0.474  0.63697   
## z.diff.lag7  -0.1305232  0.2027087  -0.644  0.52184   
## z.diff.lag8  -0.1330307  0.1831157  -0.726  0.47007   
## z.diff.lag9  -0.0319973  0.1554932  -0.206  0.83759   
## z.diff.lag10  0.1233821  0.1203382   1.025  0.30891   
## z.diff.lag11  0.2153101  0.0797507   2.700  0.00878 **
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2209 on 67 degrees of freedom
## Multiple R-squared:  0.7119, Adjusted R-squared:  0.656 
## F-statistic: 12.73 on 13 and 67 DF,  p-value: 0.0000000000001822
## 
## 
## Value of test-statistic is: -2.7351 2.7169 3.7976 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 159.7473
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:25 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.91193, p-value = 0.000009675
Multicolinearidade
vif(regressao)
##  lag(ipca2003_2010, -1)  lag(ipca2003_2010, -2) lag(hiato2003_2010, -1) 
##               40.163505               42.936473                1.419914 
##         Cambio2003_2010 
##                2.359548

2011 - 2016.8

## 
## Time series regression with "ts" data:
## Start = 2011(3), End = 2016(5)
## 
## Call:
## dynlm(formula = ipca2011_2016.8 ~ lag(ipca2011_2016.8, -1) + 
##     lag(ipca2011_2016.8, -2) + lag(hiato2011_2016.8, -1) + Cambio2011_2016.8)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.68093 -0.15891  0.01122  0.14844  0.70995 
## 
## Coefficients:
##                                 Estimate     Std. Error t value
## (Intercept)               -0.09058267629  0.24202436679  -0.374
## lag(ipca2011_2016.8, -1)   1.38815037090  0.11917983103  11.648
## lag(ipca2011_2016.8, -2)  -0.45660177895  0.12013193605  -3.801
## lag(hiato2011_2016.8, -1)  0.00000002262  0.00000031417   0.072
## Cambio2011_2016.8          0.13136919789  0.08050016899   1.632
##                                       Pr(>|t|)    
## (Intercept)                           0.709568    
## lag(ipca2011_2016.8, -1)  < 0.0000000000000002 ***
## lag(ipca2011_2016.8, -2)              0.000348 ***
## lag(hiato2011_2016.8, -1)             0.942859    
## Cambio2011_2016.8                     0.108116    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2659 on 58 degrees of freedom
## Multiple R-squared:  0.9732, Adjusted R-squared:  0.9713 
## F-statistic:   526 on 4 and 58 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 2.6318, df1 = 19, df2 = 19, p-value = 0.02051
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 6.2794, df = 4, p-value = 0.1792
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 3.59
## P-value: 0.165714
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9428, p-value = 0.249
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 1.9548, df = 4, p-value = 0.7441
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 1.2486, df = 4, p-value = 0.87
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 14.8, df = 12, p-value = 0.2525
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.75973 -0.14213  0.02831  0.16628  0.66577 
## 
## Coefficients:
##              Estimate Std. Error t value    Pr(>|t|)    
## (Intercept) -0.095820   0.106505  -0.900       0.373    
## z.lag.1     -1.257041   0.211482  -5.944 0.000000351 ***
## tt           0.002374   0.002637   0.900       0.373    
## z.diff.lag   0.154228   0.144845   1.065       0.293    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2645 on 46 degrees of freedom
## Multiple R-squared:  0.5676, Adjusted R-squared:  0.5394 
## F-statistic: 20.13 on 3 and 46 DF,  p-value: 0.00000001776
## 
## 
## Value of test-statistic is: -5.944 11.8669 17.6829 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.6185
##   P VALUE:
##     Asymptotic p Value: 0.734 
## 
## Description:
##  Fri Mar 17 17:55:26 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98923, p-value = 0.8584
Multicolinearidade
vif(regressao)
##  lag(ipca2011_2016.8, -1)  lag(ipca2011_2016.8, -2) lag(hiato2011_2016.8, -1) 
##                 29.771442                 29.270480                  2.383456 
##         Cambio2011_2016.8 
##                  3.302909

2016.9 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(8), End = 2018(12)
## 
## Call:
## dynlm(formula = ipca2016.9_2018 ~ lag(ipca2016.9_2018, -1) + 
##     lag(ipca2016.9_2018, -2) + lag(hiato2016.9_2018, -1) + Cambio2016.9_2018)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.55549 -0.22348 -0.00532  0.10127  1.28443 
## 
## Coefficients:
##                                Estimate    Std. Error t value   Pr(>|t|)    
## (Intercept)               -2.0961502358  1.8914474647  -1.108      0.279    
## lag(ipca2016.9_2018, -1)   1.1844770484  0.1893794199   6.255 0.00000183 ***
## lag(ipca2016.9_2018, -2)  -0.2741849979  0.1799365008  -1.524      0.141    
## lag(hiato2016.9_2018, -1) -0.0000008188  0.0000015903  -0.515      0.611    
## Cambio2016.9_2018          0.4423866371  0.3518636212   1.257      0.221    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3943 on 24 degrees of freedom
## Multiple R-squared:  0.9604, Adjusted R-squared:  0.9538 
## F-statistic: 145.7 on 4 and 24 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 2.503, df1 = 2, df2 = 1, p-value = 0.408
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 6.8027, df = 4, p-value = 0.1467
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.08
## P-value: 0.961927
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.0855, p-value = 0.353
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 7.4747, df = 4, p-value = 0.1128
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 0.65386, df = 4, p-value = 0.9569
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 4.6062, df = 12, p-value = 0.9699
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.23361 -0.13256 -0.07201  0.00804  1.21129 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  0.45541    0.42953   1.060 0.309896    
## z.lag.1     -1.91394    0.40398  -4.738 0.000482 ***
## tt          -0.01825    0.02040  -0.895 0.388624    
## z.diff.lag   0.50852    0.25793   1.972 0.072167 .  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3738 on 12 degrees of freedom
## Multiple R-squared:  0.7304, Adjusted R-squared:  0.663 
## F-statistic: 10.84 on 3 and 12 DF,  p-value: 0.0009873
## 
## 
## Value of test-statistic is: -4.7376 7.6312 11.4409 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 31.4838
##   P VALUE:
##     Asymptotic p Value: 0.0000001457 
## 
## Description:
##  Fri Mar 17 17:55:26 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.85774, p-value = 0.001102
Multicolinearidade
vif(regressao)
##  lag(ipca2016.9_2018, -1)  lag(ipca2016.9_2018, -2) lag(hiato2016.9_2018, -1) 
##                 26.086119                 27.364908                  6.538952 
##         Cambio2016.9_2018 
##                  4.107644

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(3), End = 2021(12)
## 
## Call:
## dynlm(formula = ipca2019_2021 ~ lag(ipca2019_2021, -1) + lag(ipca2019_2021, 
##     -2) + lag(hiato2019_2021, -1) + Cambio2019_2021)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.31838 -0.30594 -0.00654  0.37472  0.82430 
## 
## Coefficients:
##                              Estimate    Std. Error t value      Pr(>|t|)    
## (Intercept)              1.6136592622  1.4392532160   1.121        0.2714    
## lag(ipca2019_2021, -1)   1.4645321920  0.1847327127   7.928 0.00000000962 ***
## lag(ipca2019_2021, -2)  -0.5035934429  0.1973057970  -2.552        0.0162 *  
## lag(hiato2019_2021, -1) -0.0000004400  0.0000007917  -0.556        0.5827    
## Cambio2019_2021         -0.2376382028  0.2382579883  -0.997        0.3268    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.5222 on 29 degrees of freedom
## Multiple R-squared:  0.9685, Adjusted R-squared:  0.9642 
## F-statistic: 223.2 on 4 and 29 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.20886, df1 = 5, df2 = 4, p-value = 0.9418
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 3.3607, df = 4, p-value = 0.4994
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 1.42
## P-value: 0.492388
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.7343, p-value = 0.07898
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 2.6666, df = 4, p-value = 0.6151
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 2.8818, df = 4, p-value = 0.5778
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 7.5871, df = 12, p-value = 0.8165
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.31509 -0.19492 -0.04064  0.15324  0.45061 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept) -2.76713    0.74382  -3.720 0.003974 ** 
## z.lag.1     -8.57420    1.86152  -4.606 0.000971 ***
## tt           0.14155    0.03609   3.923 0.002854 ** 
## z.diff.lag1  6.71843    1.66476   4.036 0.002378 ** 
## z.diff.lag2  5.90478    1.46608   4.028 0.002409 ** 
## z.diff.lag3  4.90305    1.21289   4.042 0.002352 ** 
## z.diff.lag4  3.81888    0.98399   3.881 0.003054 ** 
## z.diff.lag5  2.83323    0.77482   3.657 0.004413 ** 
## z.diff.lag6  2.12471    0.57989   3.664 0.004360 ** 
## z.diff.lag7  1.14923    0.33908   3.389 0.006895 ** 
## z.diff.lag8  0.76984    0.23897   3.221 0.009153 ** 
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3158 on 10 degrees of freedom
## Multiple R-squared:  0.8286, Adjusted R-squared:  0.6573 
## F-statistic: 4.836 on 10 and 10 DF,  p-value: 0.0101
## 
## 
## Value of test-statistic is: -4.606 7.7482 11.3563 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 1.3668
##   P VALUE:
##     Asymptotic p Value: 0.5049 
## 
## Description:
##  Fri Mar 17 17:55:26 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.96612, p-value = 0.3631
Multicolinearidade
vif(regressao)
##  lag(ipca2019_2021, -1)  lag(ipca2019_2021, -2) lag(hiato2019_2021, -1) 
##               28.502754               27.761932                1.263971 
##         Cambio2019_2021 
##                1.474665

Em Diferença

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(4), End = 2021(12)
## 
## Call:
## dynlm(formula = Dipca ~ lag(Dipca, -1) + lag(Dipca, -2) + lag(Dhiato, 
##     -1) + DCambio)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -2.16881 -0.16657  0.03529  0.19799  1.52645 
## 
## Coefficients:
##                      Estimate    Std. Error t value            Pr(>|t|)    
## (Intercept)     -0.0146256221  0.0259026363  -0.565              0.5729    
## lag(Dipca, -1)   0.7073333961  0.0695594901  10.169 <0.0000000000000002 ***
## lag(Dipca, -2)  -0.1198314093  0.0667305957  -1.796              0.0739 .  
## lag(Dhiato, -1)  0.0000014074  0.0000009048   1.556              0.1212    
## DCambio          0.0689080525  0.1060620064   0.650              0.5166    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3875 on 220 degrees of freedom
## Multiple R-squared:  0.3894, Adjusted R-squared:  0.3783 
## F-statistic: 35.08 on 4 and 220 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.1978, df1 = 100, df2 = 100, p-value = 0.1842
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 4.4658, df = 4, p-value = 0.3466
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 4.67
## P-value: 0.096761
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9674, p-value = 0.3681
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 9.2262, df = 4, p-value = 0.05569
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 11.975, df = 4, p-value = 0.01754
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 47.265, df = 12, p-value = 0.000004193
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -0.7739 -0.1801 -0.0038  0.1835  1.3220 
## 
## Coefficients:
##                Estimate Std. Error t value      Pr(>|t|)    
## (Intercept)  -0.0049078  0.0464809  -0.106       0.91602    
## z.lag.1      -1.3031176  0.2112450  -6.169 0.00000000384 ***
## tt            0.0002254  0.0003521   0.640       0.52269    
## z.diff.lag1   0.1916086  0.1955015   0.980       0.32824    
## z.diff.lag2   0.1884254  0.1870721   1.007       0.31506    
## z.diff.lag3   0.2547803  0.1775615   1.435       0.15291    
## z.diff.lag4   0.3403780  0.1673383   2.034       0.04329 *  
## z.diff.lag5   0.2560144  0.1537760   1.665       0.09753 .  
## z.diff.lag6   0.2979903  0.1438721   2.071       0.03964 *  
## z.diff.lag7   0.1960270  0.1370238   1.431       0.15413    
## z.diff.lag8   0.1863700  0.1274291   1.463       0.14519    
## z.diff.lag9   0.2793328  0.1187544   2.352       0.01965 *  
## z.diff.lag10  0.4080242  0.1039602   3.925       0.00012 ***
## z.diff.lag11  0.4909510  0.0855105   5.741 0.00000003509 ***
## z.diff.lag12  0.1181764  0.0640536   1.845       0.06654 .  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3018 on 197 degrees of freedom
## Multiple R-squared:  0.6518, Adjusted R-squared:  0.627 
## F-statistic: 26.33 on 14 and 197 DF,  p-value: < 0.00000000000000022
## 
## 
## Value of test-statistic is: -6.1687 12.9922 19.438 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 280.1051
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:26 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.93312, p-value = 0.00000001332
Multicolinearidade
vif(regressao)
##  lag(Dipca, -1)  lag(Dipca, -2) lag(Dhiato, -1)         DCambio 
##        1.747593        1.666213        1.067199        1.024675

2003 - 2010

## 
## Time series regression with "ts" data:
## Start = 2003(4), End = 2010(12)
## 
## Call:
## dynlm(formula = Dipca2003_2010 ~ lag(Dipca2003_2010, -1) + lag(Dipca2003_2010, 
##     -2) + lag(Dhiato2003_2010, -1) + DCambio2003_2010)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -2.01326 -0.14180  0.05385  0.22672  0.93413 
## 
## Coefficients:
##                              Estimate   Std. Error t value        Pr(>|t|)    
## (Intercept)              -0.039765888  0.044146543  -0.901          0.3702    
## lag(Dipca2003_2010, -1)   0.810278249  0.107946351   7.506 0.0000000000467 ***
## lag(Dipca2003_2010, -2)  -0.185134133  0.101829008  -1.818          0.0725 .  
## lag(Dhiato2003_2010, -1)  0.000001109  0.000002099   0.528          0.5988    
## DCambio2003_2010          0.081708302  0.179166835   0.456          0.6495    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.4018 on 88 degrees of freedom
## Multiple R-squared:  0.4747, Adjusted R-squared:  0.4508 
## F-statistic: 19.88 on 4 and 88 DF,  p-value: 0.00000000001089
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.12124, df1 = 34, df2 = 34, p-value = 1
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 7.8766, df = 4, p-value = 0.09621
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 5.01
## P-value: 0.081487
Autocorrelação
dwtest(regressao)
## Warning in dwtest(regressao): exact p value cannot be computed (not in [0,1]),
## approximate p value will be used
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9638, p-value = 0.3664
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 10.47, df = 4, p-value = 0.03321
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 9.7323, df = 4, p-value = 0.04519
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 25.234, df = 12, p-value = 0.01375
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.48807 -0.14489 -0.01286  0.13375  0.42454 
## 
## Coefficients:
##               Estimate Std. Error t value   Pr(>|t|)    
## (Intercept)  -0.011997   0.068332  -0.176   0.861178    
## z.lag.1      -1.904589   0.385285  -4.943 0.00000569 ***
## tt            0.001451   0.001219   1.190   0.238244    
## z.diff.lag1   0.686602   0.340573   2.016   0.047935 *  
## z.diff.lag2   0.747151   0.301500   2.478   0.015814 *  
## z.diff.lag3   0.618058   0.268543   2.302   0.024577 *  
## z.diff.lag4   0.599555   0.234361   2.558   0.012859 *  
## z.diff.lag5   0.481278   0.192292   2.503   0.014843 *  
## z.diff.lag6   0.477274   0.175798   2.715   0.008482 ** 
## z.diff.lag7   0.232083   0.171023   1.357   0.179467    
## z.diff.lag8   0.161480   0.159870   1.010   0.316206    
## z.diff.lag9   0.221071   0.149846   1.475   0.144953    
## z.diff.lag10  0.332816   0.131688   2.527   0.013935 *  
## z.diff.lag11  0.391267   0.109789   3.564   0.000691 ***
## z.diff.lag12  0.118562   0.076789   1.544   0.127445    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2179 on 65 degrees of freedom
## Multiple R-squared:  0.7682, Adjusted R-squared:  0.7183 
## F-statistic: 15.39 on 14 and 65 DF,  p-value: 0.000000000000001518
## 
## 
## Value of test-statistic is: -4.9433 8.3562 12.3832 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 244.7212
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:27 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.87142, p-value = 0.0000001826
Multicolinearidade
vif(regressao)
##  lag(Dipca2003_2010, -1)  lag(Dipca2003_2010, -2) lag(Dhiato2003_2010, -1) 
##                 1.991596                 1.894808                 1.062127 
##         DCambio2003_2010 
##                 1.128444

2011 - 2016.8

## 
## Time series regression with "ts" data:
## Start = 2011(3), End = 2016(5)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.74703 -0.13115  0.00514  0.14907  0.78656 
## 
## Coefficients:
##                       Estimate   Std. Error t value Pr(>|t|)   
## (Intercept)        0.026553186  0.035571665   0.746  0.45840   
## Var_Independente1  0.460620366  0.142014766   3.243  0.00196 **
## Var_Independente2 -0.048757727  0.130993004  -0.372  0.71109   
## Var_Independente3 -0.000000114  0.000001241  -0.092  0.92711   
## Var_Independente4  0.147076718  0.153421933   0.959  0.34172   
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2732 on 58 degrees of freedom
## Multiple R-squared:  0.2294, Adjusted R-squared:  0.1763 
## F-statistic: 4.317 on 4 and 58 DF,  p-value: 0.003994
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 2.7543, df1 = 19, df2 = 19, p-value = 0.01635
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 7.7085, df = 4, p-value = 0.1029
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 3.09
## P-value: 0.2137
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9381, p-value = 0.3432
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 3.1636, df = 4, p-value = 0.5308
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 1.7821, df = 4, p-value = 0.7758
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 12.354, df = 12, p-value = 0.4177
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.80088 -0.11096 -0.00407  0.14874  0.75262 
## 
## Coefficients:
##                Estimate  Std. Error t value   Pr(>|t|)    
## (Intercept)  0.01953745  0.10908453   0.179      0.859    
## z.lag.1     -1.13836006  0.20301345  -5.607 0.00000112 ***
## tt           0.00008071  0.00271873   0.030      0.976    
## z.diff.lag   0.07151969  0.14175206   0.505      0.616    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2762 on 46 degrees of freedom
## Multiple R-squared:  0.5544, Adjusted R-squared:  0.5253 
## F-statistic: 19.08 on 3 and 46 DF,  p-value: 0.00000003507
## 
## 
## Value of test-statistic is: -5.6073 10.6174 15.8438 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 2.1662
##   P VALUE:
##     Asymptotic p Value: 0.3385 
## 
## Description:
##  Fri Mar 17 17:55:27 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98665, p-value = 0.7288
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.518282          1.285754          1.255542          1.073508

2016.9 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(8), End = 2018(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.52602 -0.24945 -0.05231  0.22058  1.54524 
## 
## Coefficients:
##                       Estimate   Std. Error t value Pr(>|t|)
## (Intercept)       -0.069639197  0.109370969  -0.637    0.530
## Var_Independente1  0.376034380  0.293026293   1.283    0.212
## Var_Independente2  0.112200869  0.245320533   0.457    0.652
## Var_Independente3 -0.000001342  0.000005309  -0.253    0.803
## Var_Independente4 -0.112780495  0.447664513  -0.252    0.803
## 
## Residual standard error: 0.4521 on 24 degrees of freedom
## Multiple R-squared:  0.2285, Adjusted R-squared:  0.09992 
## F-statistic: 1.777 on 4 and 24 DF,  p-value: 0.1664
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 7.8938, df1 = 2, df2 = 1, p-value = 0.2441
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 4.6092, df = 4, p-value = 0.3298
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 1.24
## P-value: 0.536644
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.938, p-value = 0.391
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 6.5512, df = 4, p-value = 0.1616
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 0.27593, df = 4, p-value = 0.9913
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 3.8925, df = 12, p-value = 0.9853
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##         1         2         3         4         5         6         7         8 
## -0.122593  0.173441 -0.076986  0.008062  0.087163 -0.149525  0.150436  0.104479 
##         9        10        11        12        13        14        15        16 
## -0.389222  0.281264 -0.030997 -0.043127  0.012944 -0.029399  0.045932 -0.021871 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)
## (Intercept)   2.99312    2.54822   1.175    0.361
## z.lag.1      -5.71080    4.65774  -1.226    0.345
## tt           -0.04793    0.12190  -0.393    0.732
## z.diff.lag1   3.18472    4.39436   0.725    0.544
## z.diff.lag2   1.11651    4.04816   0.276    0.809
## z.diff.lag3  -0.98393    3.72753  -0.264    0.817
## z.diff.lag4  -2.62369    3.51104  -0.747    0.533
## z.diff.lag5  -4.26854    3.30453  -1.292    0.326
## z.diff.lag6  -6.02395    3.15035  -1.912    0.196
## z.diff.lag7  -6.68758    3.31276  -2.019    0.181
## z.diff.lag8  -6.18982    3.04851  -2.030    0.179
## z.diff.lag9  -4.61023    2.66116  -1.732    0.225
## z.diff.lag10 -3.03338    1.85497  -1.635    0.244
## z.diff.lag11 -1.11213    1.12021  -0.993    0.425
## 
## Residual standard error: 0.4193 on 2 degrees of freedom
## Multiple R-squared:  0.9559, Adjusted R-squared:  0.669 
## F-statistic: 3.332 on 13 and 2 DF,  p-value: 0.2543
## 
## 
## Value of test-statistic is: -1.2261 2.1585 3.213 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 36.5643
##   P VALUE:
##     Asymptotic p Value: 0.00000001149 
## 
## Description:
##  Fri Mar 17 17:55:27 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.86074, p-value = 0.001275
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          2.665826          1.862636          1.979505          1.196722

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(3), End = 2021(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -1.2358 -0.1853  0.0858  0.3509  0.6644 
## 
## Coefficients:
##                       Estimate   Std. Error t value Pr(>|t|)    
## (Intercept)        0.093116927  0.095528690   0.975 0.337744    
## Var_Independente1  0.688285222  0.186120642   3.698 0.000902 ***
## Var_Independente2 -0.282964301  0.187213014  -1.511 0.141494    
## Var_Independente3  0.000002635  0.000001948   1.353 0.186624    
## Var_Independente4 -0.073084190  0.323154057  -0.226 0.822664    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.5123 on 29 degrees of freedom
## Multiple R-squared:  0.3459, Adjusted R-squared:  0.2557 
## F-statistic: 3.834 on 4 and 29 DF,  p-value: 0.01277
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.90964, df1 = 5, df2 = 4, p-value = 0.5519
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 6.3749, df = 4, p-value = 0.1728
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.19
## P-value: 0.907368
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.8615, p-value = 0.2544
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 2.028, df = 4, p-value = 0.7306
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 2.9773, df = 4, p-value = 0.5616
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 4.9196, df = 12, p-value = 0.9606
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.82084 -0.11043  0.01338  0.27962  0.54927 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)  
## (Intercept)  0.239833   0.386944   0.620   0.5436  
## z.lag.1     -0.825999   0.379331  -2.178   0.0438 *
## tt          -0.007308   0.016909  -0.432   0.6710  
## z.diff.lag  -0.112981   0.257242  -0.439   0.6660  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.4267 on 17 degrees of freedom
## Multiple R-squared:  0.4914, Adjusted R-squared:  0.4016 
## F-statistic: 5.474 on 3 and 17 DF,  p-value: 0.008086
## 
## 
## Value of test-statistic is: -2.1775 2.3004 3.449 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 2.6545
##   P VALUE:
##     Asymptotic p Value: 0.2652 
## 
## Description:
##  Fri Mar 17 17:55:28 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.94222, p-value = 0.0718
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.436112          1.454665          1.050011          1.035440

Potêncial

Em nível

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2021(12)
## 
## Call:
## dynlm(formula = lnipca1 ~ lag(lnipca1, -1) + lag(lnipca1, -2) + 
##     lag(lnhiato1, -1) + lnCambio1)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.30282 -0.03314 -0.00103  0.03397  0.38995 
## 
## Coefficients:
##                     Estimate Std. Error t value            Pr(>|t|)    
## (Intercept)       -0.4096059  0.3005344  -1.363               0.174    
## lag(lnipca1, -1)   1.4807396  0.0567397  26.097 <0.0000000000000002 ***
## lag(lnipca1, -2)  -0.5221242  0.0565823  -9.228 <0.0000000000000002 ***
## lag(lnhiato1, -1)  0.0355144  0.0222035   1.599               0.111    
## lnCambio1          0.0003217  0.0265190   0.012               0.990    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.07454 on 221 degrees of freedom
## Multiple R-squared:  0.9687, Adjusted R-squared:  0.9681 
## F-statistic:  1709 on 4 and 221 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 3.5933, df1 = 101, df2 = 100, p-value = 0.0000000003018
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 31.921, df = 4, p-value = 0.000001986
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 20.42
## P-value: 0.000037
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.8945, p-value = 0.1511
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 7.8105, df = 4, p-value = 0.09877
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 19.009, df = 4, p-value = 0.0007828
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 73.513, df = 12, p-value = 0.00000000007013
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.24222 -0.03209 -0.00389  0.03034  0.32840 
## 
## Coefficients:
##                  Estimate   Std. Error t value         Pr(>|t|)    
## (Intercept)   0.001099324  0.009504885   0.116         0.908040    
## z.lag.1      -0.966195066  0.205146812  -4.710 0.00000464540350 ***
## tt           -0.000005754  0.000070995  -0.081         0.935481    
## z.diff.lag1   0.061925625  0.203773548   0.304         0.761526    
## z.diff.lag2  -0.037244272  0.200153631  -0.186         0.852573    
## z.diff.lag3   0.042813296  0.194645740   0.220         0.826132    
## z.diff.lag4   0.144924052  0.184832480   0.784         0.433924    
## z.diff.lag5  -0.001393727  0.172596452  -0.008         0.993565    
## z.diff.lag6   0.085985269  0.159629570   0.539         0.590727    
## z.diff.lag7   0.036272399  0.144239133   0.251         0.801707    
## z.diff.lag8   0.090870884  0.131581997   0.691         0.490620    
## z.diff.lag9   0.246397857  0.113085784   2.179         0.030517 *  
## z.diff.lag10  0.301967358  0.088255803   3.422         0.000756 ***
## z.diff.lag11  0.470617448  0.063515613   7.409 0.00000000000354 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.06344 on 199 degrees of freedom
## Multiple R-squared:  0.6466, Adjusted R-squared:  0.6235 
## F-statistic: 28.01 on 13 and 199 DF,  p-value: < 0.00000000000000022
## 
## 
## Value of test-statistic is: -4.7098 7.472 11.1334 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 294.4202
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:28 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.91348, p-value = 0.0000000003447
Multicolinearidade
vif(regressao)
##  lag(lnipca1, -1)  lag(lnipca1, -2) lag(lnhiato1, -1)         lnCambio1 
##         23.155175         23.304882          1.010297          1.050846

2003 - 2010

## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2009(13)
## 
## Call:
## dynlm(formula = lnipca12003_2010 ~ lag(lnipca12003_2010, -1) + 
##     lag(lnipca12003_2010, -2) + lag(lnhiato12003_2010, -1) + 
##     lnCambio12003_2010)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.153819 -0.032028  0.000209  0.034616  0.162845 
## 
## Coefficients:
##                            Estimate Std. Error t value             Pr(>|t|)    
## (Intercept)                -0.54124    0.82351  -0.657                0.513    
## lag(lnipca12003_2010, -1)   1.56285    0.08977  17.409 < 0.0000000000000002 ***
## lag(lnipca12003_2010, -2)  -0.61203    0.09033  -6.776         0.0000000021 ***
## lag(lnhiato12003_2010, -1)  0.04343    0.06397   0.679                0.499    
## lnCambio12003_2010          0.02270    0.04621   0.491                0.625    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.05518 on 78 degrees of freedom
## Multiple R-squared:  0.9846, Adjusted R-squared:  0.9838 
## F-statistic:  1244 on 4 and 78 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.52141, df1 = 29, df2 = 29, p-value = 0.9576
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 6.5871, df = 4, p-value = 0.1594
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.18
## P-value: 0.914976
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9744, p-value = 0.2986
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 7.5312, df = 4, p-value = 0.1103
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 2.119, df = 4, p-value = 0.7139
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 33.837, df = 12, p-value = 0.0007157
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.08842 -0.03032 -0.00187  0.02655  0.09457 
## 
## Coefficients:
##                 Estimate  Std. Error t value Pr(>|t|)  
## (Intercept)   0.00017259  0.01444563   0.012   0.9905  
## z.lag.1      -1.04403106  0.42069870  -2.482   0.0161 *
## tt            0.00001732  0.00027523   0.063   0.9501  
## z.diff.lag1   0.02039568  0.40969623   0.050   0.9605  
## z.diff.lag2   0.07002542  0.39232397   0.178   0.8590  
## z.diff.lag3   0.00525374  0.36882996   0.014   0.9887  
## z.diff.lag4   0.09180218  0.33624789   0.273   0.7858  
## z.diff.lag5   0.01576712  0.30136682   0.052   0.9585  
## z.diff.lag6   0.21972896  0.27879571   0.788   0.4339  
## z.diff.lag7  -0.07349536  0.25119431  -0.293   0.7709  
## z.diff.lag8  -0.14023269  0.22864946  -0.613   0.5422  
## z.diff.lag9   0.01530522  0.19752958   0.077   0.9385  
## z.diff.lag10  0.10990628  0.16229433   0.677   0.5011  
## z.diff.lag11  0.29952487  0.11488722   2.607   0.0117 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.04585 on 56 degrees of freedom
## Multiple R-squared:  0.7087, Adjusted R-squared:  0.641 
## F-statistic: 10.48 on 13 and 56 DF,  p-value: 0.00000000009438
## 
## 
## Value of test-statistic is: -2.4817 2.2475 3.1214 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 1.3319
##   P VALUE:
##     Asymptotic p Value: 0.5138 
## 
## Description:
##  Fri Mar 17 17:55:28 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98406, p-value = 0.396
Multicolinearidade
vif(regressao)
##  lag(lnipca12003_2010, -1)  lag(lnipca12003_2010, -2) 
##                  43.199733                  45.596892 
## lag(lnhiato12003_2010, -1)         lnCambio12003_2010 
##                   1.632289                   2.470818

2011 - 2016.8

## 
## Time series regression with "ts" data:
## Start = 2011(3), End = 2016(5)
## 
## Call:
## dynlm(formula = lnipca12011_2016.8 ~ lag(lnipca12011_2016.8, 
##     -1) + lag(lnipca12011_2016.8, -2) + lag(lnhiato12011_2016.8, 
##     -1) + lnCambio12011_2016.8)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.086288 -0.022640  0.000766  0.023998  0.106938 
## 
## Coefficients:
##                               Estimate Std. Error t value             Pr(>|t|)
## (Intercept)                  -0.101011   0.461199  -0.219             0.827405
## lag(lnipca12011_2016.8, -1)   1.405751   0.117778  11.936 < 0.0000000000000002
## lag(lnipca12011_2016.8, -2)  -0.455020   0.123859  -3.674             0.000523
## lag(lnhiato12011_2016.8, -1)  0.008224   0.030867   0.266             0.790840
## lnCambio12011_2016.8          0.058392   0.045617   1.280             0.205619
##                                 
## (Intercept)                     
## lag(lnipca12011_2016.8, -1)  ***
## lag(lnipca12011_2016.8, -2)  ***
## lag(lnhiato12011_2016.8, -1)    
## lnCambio12011_2016.8            
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.03765 on 58 degrees of freedom
## Multiple R-squared:  0.9697, Adjusted R-squared:  0.9676 
## F-statistic: 464.6 on 4 and 58 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.3861, df1 = 19, df2 = 19, p-value = 0.2417
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 1.334, df = 4, p-value = 0.8556
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.25
## P-value: 0.881011
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.0284, p-value = 0.3679
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 3.151, df = 4, p-value = 0.5329
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 3.0484, df = 4, p-value = 0.5498
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 15.115, df = 12, p-value = 0.2352
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.081065 -0.020972  0.000448  0.021335  0.097773 
## 
## Coefficients:
##               Estimate Std. Error t value    Pr(>|t|)    
## (Intercept) -0.0105243  0.0146017  -0.721       0.475    
## z.lag.1     -1.2761628  0.2106505  -6.058 0.000000237 ***
## tt           0.0002900  0.0003622   0.801       0.427    
## z.diff.lag   0.0988440  0.1398999   0.707       0.483    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.0362 on 46 degrees of freedom
## Multiple R-squared:  0.6099, Adjusted R-squared:  0.5845 
## F-statistic: 23.98 on 3 and 46 DF,  p-value: 0.000000001718
## 
## 
## Value of test-statistic is: -6.0582 12.4056 18.4412 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.89
##   P VALUE:
##     Asymptotic p Value: 0.6408 
## 
## Description:
##  Fri Mar 17 17:55:29 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98008, p-value = 0.3987
Multicolinearidade
vif(regressao)
##  lag(lnipca12011_2016.8, -1)  lag(lnipca12011_2016.8, -2) 
##                    25.769306                    27.569023 
## lag(lnhiato12011_2016.8, -1)         lnCambio12011_2016.8 
##                     2.138323                     2.402437

2016.9 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(8), End = 2018(12)
## 
## Call:
## dynlm(formula = lnipca12016.9_2018 ~ lag(lnipca12016.9_2018, 
##     -1) + lag(lnipca12016.9_2018, -2) + lag(lnhiato12016.9_2018, 
##     -1) + lnCambio12016.9_2018)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.17028 -0.04969  0.00776  0.03613  0.34587 
## 
## Coefficients:
##                              Estimate Std. Error t value   Pr(>|t|)    
## (Intercept)                    2.4723     2.5265   0.979     0.3376    
## lag(lnipca12016.9_2018, -1)    1.1039     0.1952   5.656 0.00000798 ***
## lag(lnipca12016.9_2018, -2)   -0.2389     0.1840  -1.298     0.2066    
## lag(lnhiato12016.9_2018, -1)  -0.2756     0.2267  -1.216     0.2358    
## lnCambio12016.9_2018           0.8302     0.4655   1.783     0.0872 .  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.09972 on 24 degrees of freedom
## Multiple R-squared:  0.9416, Adjusted R-squared:  0.9319 
## F-statistic: 96.79 on 4 and 24 DF,  p-value: 0.00000000000001925
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 8.8031, df1 = 2, df2 = 1, p-value = 0.2318
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 7.7446, df = 4, p-value = 0.1014
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.54
## P-value: 0.764458
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.1287, p-value = 0.4036
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 3.3907, df = 4, p-value = 0.4947
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 0.45196, df = 4, p-value = 0.978
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 4.332, df = 12, p-value = 0.9767
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##         1         2         3         4         5         6         7         8 
## -0.025906  0.057791 -0.041424 -0.005119  0.028039 -0.034052  0.019812  0.021119 
##         9        10        11        12        13        14        15        16 
## -0.052211  0.037369 -0.006347  0.009019 -0.003150  0.004466  0.001708 -0.011116 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)
## (Intercept)   -0.49657    0.70074  -0.709    0.608
## z.lag.1      -10.33117    6.43349  -1.606    0.355
## tt             0.02298    0.03252   0.707    0.608
## z.diff.lag1    8.35818    6.06148   1.379    0.399
## z.diff.lag2    7.01661    5.54133   1.266    0.426
## z.diff.lag3    5.82941    4.73634   1.231    0.434
## z.diff.lag4    5.19848    4.05824   1.281    0.422
## z.diff.lag5    4.44166    3.20178   1.387    0.398
## z.diff.lag6    3.83205    2.43466   1.574    0.360
## z.diff.lag7    2.90842    2.24535   1.295    0.419
## z.diff.lag8    2.90733    1.89744   1.532    0.368
## z.diff.lag9    2.71026    1.44159   1.880    0.311
## z.diff.lag10   1.35273    1.03566   1.306    0.416
## z.diff.lag11   2.15766    1.07715   2.003    0.295
## z.diff.lag12   1.78316    1.34912   1.322    0.412
## 
## Residual standard error: 0.1137 on 1 degrees of freedom
## Multiple R-squared:  0.9709, Adjusted R-squared:  0.5638 
## F-statistic: 2.385 on 14 and 1 DF,  p-value: 0.4723
## 
## 
## Value of test-statistic is: -1.6058 2.0519 2.6659 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 43.1263
##   P VALUE:
##     Asymptotic p Value: 0.0000000004318 
## 
## Description:
##  Fri Mar 17 17:55:29 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.86455, p-value = 0.001538
Multicolinearidade
vif(regressao)
##  lag(lnipca12016.9_2018, -1)  lag(lnipca12016.9_2018, -2) 
##                    17.944250                    17.908241 
## lag(lnhiato12016.9_2018, -1)         lnCambio12016.9_2018 
##                     7.029376                     4.208471

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(3), End = 2021(12)
## 
## Call:
## dynlm(formula = lnipca12019_2021 ~ lag(lnipca12019_2021, -1) + 
##     lag(lnipca12019_2021, -2) + lag(lnhiato12019_2021, -1) + 
##     lnCambio12019_2021)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.32783 -0.06717  0.00465  0.07779  0.27026 
## 
## Coefficients:
##                            Estimate Std. Error t value     Pr(>|t|)    
## (Intercept)                  1.6782     1.8557   0.904        0.373    
## lag(lnipca12019_2021, -1)    1.3843     0.1756   7.885 0.0000000107 ***
## lag(lnipca12019_2021, -2)   -0.4768     0.1779  -2.681        0.012 *  
## lag(lnhiato12019_2021, -1)  -0.0622     0.1357  -0.458        0.650    
## lnCambio12019_2021          -0.3996     0.3714  -1.076        0.291    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.1358 on 29 degrees of freedom
## Multiple R-squared:  0.9379, Adjusted R-squared:  0.9293 
## F-statistic: 109.4 on 4 and 29 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.03362, df1 = 5, df2 = 4, p-value = 0.9989
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 5.6823, df = 4, p-value = 0.2242
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 3.33
## P-value: 0.189118
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.6986, p-value = 0.06573
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 6.9429, df = 4, p-value = 0.1389
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 5.2157, df = 4, p-value = 0.2659
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 17.784, df = 12, p-value = 0.1224
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.14034 -0.06150 -0.01285  0.06129  0.11368 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)   
## (Intercept) -0.149971   0.096794  -1.549  0.14360   
## z.lag.1     -1.963343   0.512152  -3.834  0.00183 **
## tt           0.008053   0.004262   1.889  0.07972 . 
## z.diff.lag1  0.917894   0.411004   2.233  0.04237 * 
## z.diff.lag2  0.608439   0.357945   1.700  0.11127   
## z.diff.lag3  0.548695   0.232314   2.362  0.03320 * 
## z.diff.lag4  0.420338   0.176834   2.377  0.03226 * 
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.08563 on 14 degrees of freedom
## Multiple R-squared:  0.6918, Adjusted R-squared:  0.5597 
## F-statistic: 5.238 on 6 and 14 DF,  p-value: 0.005082
## 
## 
## Value of test-statistic is: -3.8335 5.4079 7.7452 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.66
##   P VALUE:
##     Asymptotic p Value: 0.7189 
## 
## Description:
##  Fri Mar 17 17:55:29 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98239, p-value = 0.8446
Multicolinearidade
vif(regressao)
##  lag(lnipca12019_2021, -1)  lag(lnipca12019_2021, -2) 
##                  13.312753                  12.280156 
## lag(lnhiato12019_2021, -1)         lnCambio12019_2021 
##                   1.166828                   1.647516

Em Diferença

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(4), End = 2021(12)
## 
## Call:
## dynlm(formula = Dlnipca1 ~ lag(Dlnipca1, -1) + lag(Dlnipca1, 
##     -2) + lag(Dlnhiato1, -1) + DlnCambio1)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.28175 -0.03675  0.00509  0.03184  0.42103 
## 
## Coefficients:
##                     Estimate Std. Error t value             Pr(>|t|)    
## (Intercept)        -0.001307   0.005080  -0.257               0.7972    
## lag(Dlnipca1, -1)   0.605807   0.069267   8.746 0.000000000000000581 ***
## lag(Dlnipca1, -2)  -0.143239   0.067012  -2.138               0.0337 *  
## lag(Dlnhiato1, -1)  0.120410   0.120319   1.001               0.3180    
## DlnCambio1          0.065390   0.110912   0.590               0.5561    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.07612 on 220 degrees of freedom
## Multiple R-squared:  0.282,  Adjusted R-squared:  0.2689 
## F-statistic:  21.6 on 4 and 220 DF,  p-value: 0.000000000000004797
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 3.4438, df1 = 100, df2 = 100, p-value = 0.00000000107
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 1.2924, df = 4, p-value = 0.8627
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 8.93
## P-value: 0.011487
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9708, p-value = 0.3827
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 6.435, df = 4, p-value = 0.1689
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 11.581, df = 4, p-value = 0.02076
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 66.447, df = 12, p-value = 0.000000001471
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.24384 -0.03391 -0.00614  0.03382  0.34497 
## 
## Coefficients:
##                Estimate Std. Error t value          Pr(>|t|)    
## (Intercept)  -0.0014059  0.0098583  -0.143          0.886745    
## z.lag.1      -1.0893776  0.1963265  -5.549 0.000000091476504 ***
## tt            0.0000320  0.0000743   0.431          0.667192    
## z.diff.lag1   0.1351980  0.1916928   0.705          0.481462    
## z.diff.lag2   0.0945206  0.1857008   0.509          0.611323    
## z.diff.lag3   0.1742041  0.1784313   0.976          0.330103    
## z.diff.lag4   0.2694368  0.1683524   1.600          0.111097    
## z.diff.lag5   0.1039575  0.1574954   0.660          0.509978    
## z.diff.lag6   0.1596579  0.1462277   1.092          0.276228    
## z.diff.lag7   0.1059108  0.1331299   0.796          0.427249    
## z.diff.lag8   0.1441683  0.1231072   1.171          0.242974    
## z.diff.lag9   0.2815104  0.1078234   2.611          0.009723 ** 
## z.diff.lag10  0.3300819  0.0868802   3.799          0.000193 ***
## z.diff.lag11  0.4771807  0.0619208   7.706 0.000000000000611 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.06468 on 198 degrees of freedom
## Multiple R-squared:  0.6609, Adjusted R-squared:  0.6387 
## F-statistic: 29.69 on 13 and 198 DF,  p-value: < 0.00000000000000022
## 
## 
## Value of test-statistic is: -5.5488 10.4898 15.6635 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 387.9929
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:29 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.90024, p-value = 0.00000000004362
Multicolinearidade
vif(regressao)
##  lag(Dlnipca1, -1)  lag(Dlnipca1, -2) lag(Dlnhiato1, -1)         DlnCambio1 
##           1.468509           1.381042           1.069721           1.030642

2003 - 2010

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed
## 
## Time series regression with "ts" data:
## Start = 2003(4), End = 2010(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.187432 -0.031729  0.006054  0.029833  0.169732 
## 
## Coefficients:
##                    Estimate Std. Error t value      Pr(>|t|)    
## (Intercept)       -0.003178   0.006028  -0.527         0.599    
## Var_Independente1  0.731293   0.109248   6.694 0.00000000195 ***
## Var_Independente2 -0.121817   0.105663  -1.153         0.252    
## Var_Independente3  0.240567   0.190694   1.262         0.210    
## Var_Independente4  0.117594   0.141388   0.832         0.408    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.05544 on 88 degrees of freedom
## Multiple R-squared:  0.4246, Adjusted R-squared:  0.3984 
## F-statistic: 16.23 on 4 and 88 DF,  p-value: 0.0000000005408
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.32345, df1 = 34, df2 = 34, p-value = 0.9993
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 1.8753, df = 4, p-value = 0.7587
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.54
## P-value: 0.763909
Autocorrelação
dwtest(regressao)
## Warning in dwtest(regressao): exact p value cannot be computed (not in [0,1]),
## approximate p value will be used
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.0345, p-value = 0.5084
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 6.1704, df = 4, p-value = 0.1868
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 0.090219, df = 4, p-value = 0.999
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 29.676, df = 12, p-value = 0.003124
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.085006 -0.026531 -0.009382  0.032815  0.080122 
## 
## Coefficients:
##                Estimate Std. Error t value  Pr(>|t|)    
## (Intercept)   0.0002754  0.0131797   0.021  0.983389    
## z.lag.1      -1.6309317  0.3850666  -4.235 0.0000722 ***
## tt            0.0001135  0.0002331   0.487  0.628091    
## z.diff.lag1   0.5882019  0.3616459   1.626  0.108618    
## z.diff.lag2   0.6199414  0.3327916   1.863  0.066934 .  
## z.diff.lag3   0.4839102  0.3053743   1.585  0.117827    
## z.diff.lag4   0.4811012  0.2743641   1.754  0.084157 .  
## z.diff.lag5   0.2960593  0.2476515   1.195  0.236182    
## z.diff.lag6   0.4617386  0.2368999   1.949  0.055537 .  
## z.diff.lag7   0.1470536  0.2208061   0.666  0.507742    
## z.diff.lag8   0.0792077  0.2029851   0.390  0.697635    
## z.diff.lag9   0.1799523  0.1769308   1.017  0.312831    
## z.diff.lag10  0.2379720  0.1477519   1.611  0.112035    
## z.diff.lag11  0.3632081  0.1013898   3.582  0.000646 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.04356 on 66 degrees of freedom
## Multiple R-squared:  0.7331, Adjusted R-squared:  0.6806 
## F-statistic: 13.95 on 13 and 66 DF,  p-value: 0.00000000000002928
## 
## 
## Value of test-statistic is: -4.2355 6.4356 9.4351 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 6.2303
##   P VALUE:
##     Asymptotic p Value: 0.04437 
## 
## Description:
##  Fri Mar 17 17:55:30 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98038, p-value = 0.1755
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.824251          1.713469          1.052189          1.141788

2011 - 2016.8

## 
## Time series regression with "ts" data:
## Start = 2011(3), End = 2016(5)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.086982 -0.020903 -0.002089  0.026534  0.116081 
## 
## Coefficients:
##                   Estimate Std. Error t value Pr(>|t|)   
## (Intercept)       0.004130   0.005088   0.812  0.42027   
## Var_Independente1 0.450533   0.136780   3.294  0.00169 **
## Var_Independente2 0.036859   0.131203   0.281  0.77976   
## Var_Independente3 0.068913   0.123909   0.556  0.58024   
## Var_Independente4 0.022874   0.101011   0.226  0.82165   
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.03847 on 58 degrees of freedom
## Multiple R-squared:  0.2083, Adjusted R-squared:  0.1537 
## F-statistic: 3.814 on 4 and 58 DF,  p-value: 0.008061
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.3853, df1 = 19, df2 = 19, p-value = 0.2421
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 3.169, df = 4, p-value = 0.5299
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 1.65
## P-value: 0.437283
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9809, p-value = 0.4121
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 0.21413, df = 4, p-value = 0.9947
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 3.0901, df = 4, p-value = 0.5429
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 13.679, df = 12, p-value = 0.3217
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.088080 -0.019232 -0.001902  0.023291  0.108607 
## 
## Coefficients:
##                Estimate  Std. Error t value    Pr(>|t|)    
## (Intercept)  0.00170707  0.01490617   0.115       0.909    
## z.lag.1     -1.19451062  0.20233419  -5.904 0.000000404 ***
## tt           0.00006146  0.00037189   0.165       0.869    
## z.diff.lag   0.07429475  0.13788544   0.539       0.593    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.03765 on 46 degrees of freedom
## Multiple R-squared:  0.5875, Adjusted R-squared:  0.5606 
## F-statistic: 21.84 on 3 and 46 DF,  p-value: 0.0000000061
## 
## 
## Value of test-statistic is: -5.9037 11.8167 17.5926 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 1.7941
##   P VALUE:
##     Asymptotic p Value: 0.4078 
## 
## Description:
##  Fri Mar 17 17:55:30 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.97759, p-value = 0.3047
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.370628          1.257415          1.154596          1.059229

2016.9 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(8), End = 2018(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.11527 -0.05866 -0.01437  0.02643  0.40262 
## 
## Coefficients:
##                    Estimate Std. Error t value Pr(>|t|)
## (Intercept)       -0.001709   0.027347  -0.062    0.951
## Var_Independente1  0.144672   0.297085   0.487    0.631
## Var_Independente2  0.134692   0.227414   0.592    0.559
## Var_Independente3 -0.790301   0.808296  -0.978    0.338
## Var_Independente4 -0.152158   0.588822  -0.258    0.798
## 
## Residual standard error: 0.1118 on 24 degrees of freedom
## Multiple R-squared:  0.1789, Adjusted R-squared:  0.04209 
## F-statistic: 1.308 on 4 and 24 DF,  p-value: 0.2954
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 30.533, df1 = 2, df2 = 1, p-value = 0.1269
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 2.9335, df = 4, p-value = 0.569
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 2
## P-value: 0.367057
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.8572, p-value = 0.3233
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 7.4464, df = 4, p-value = 0.1141
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 0.2732, df = 4, p-value = 0.9915
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 3.9348, df = 12, p-value = 0.9846
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##          1          2          3          4          5          6          7 
## -0.0509288  0.0893962 -0.0452669 -0.0037552  0.0168140 -0.0288752  0.0145431 
##          8          9         10         11         12         13         14 
##  0.0228070 -0.0452846  0.0543909 -0.0237325  0.0080014  0.0010941 -0.0002696 
##         15         16 
##  0.0109335 -0.0198673 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)
## (Intercept)  -0.73603    1.59504  -0.461    0.725
## z.lag.1      -8.53124   10.14770  -0.841    0.555
## tt            0.04596    0.08130   0.565    0.672
## z.diff.lag1   6.53873    9.81735   0.666    0.626
## z.diff.lag2   5.25973    9.36063   0.562    0.674
## z.diff.lag3   4.15405    8.56437   0.485    0.712
## z.diff.lag4   3.63780    7.83281   0.464    0.723
## z.diff.lag5   2.77839    6.84714   0.406    0.755
## z.diff.lag6   1.59140    5.59434   0.284    0.824
## z.diff.lag7   0.94060    4.57336   0.206    0.871
## z.diff.lag8   1.27201    3.43179   0.371    0.774
## z.diff.lag9   1.98513    2.55462   0.777    0.579
## z.diff.lag10  1.65136    2.02202   0.817    0.564
## z.diff.lag11  1.95978    1.59826   1.226    0.436
## z.diff.lag12  1.28713    1.30313   0.988    0.504
## 
## Residual standard error: 0.1437 on 1 degrees of freedom
## Multiple R-squared:   0.96,  Adjusted R-squared:  0.4001 
## F-statistic: 1.715 on 14 and 1 DF,  p-value: 0.5423
## 
## 
## Value of test-statistic is: -0.8407 1.7542 1.9501 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 63.3003
##   P VALUE:
##     Asymptotic p Value: 0.00000000000001799 
## 
## Description:
##  Fri Mar 17 17:55:30 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.8134, p-value = 0.0001466
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          2.564944          1.470376          2.075427          1.195578

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(3), End = 2021(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.29235 -0.07259  0.01418  0.06614  0.25793 
## 
## Coefficients:
##                   Estimate Std. Error t value Pr(>|t|)   
## (Intercept)        0.01818    0.02376   0.765  0.45046   
## Var_Independente1  0.64786    0.18083   3.583  0.00123 **
## Var_Independente2 -0.33968    0.17642  -1.925  0.06403 . 
## Var_Independente3  0.16304    0.34469   0.473  0.63976   
## Var_Independente4 -0.06852    0.47846  -0.143  0.88712   
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.134 on 29 degrees of freedom
## Multiple R-squared:  0.3172, Adjusted R-squared:  0.223 
## F-statistic: 3.368 on 4 and 29 DF,  p-value: 0.02215
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.29525, df1 = 5, df2 = 4, p-value = 0.8934
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 4.721, df = 4, p-value = 0.3171
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 2.22
## P-value: 0.330189
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.8235, p-value = 0.2209
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 7.3405, df = 4, p-value = 0.119
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 3.4332, df = 4, p-value = 0.4881
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 14.476, df = 12, p-value = 0.2714
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.13121 -0.06497 -0.01486  0.04579  0.16761 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)  
## (Intercept)  0.0336158  0.0975624   0.345   0.7355  
## z.lag.1     -0.9513216  0.4339440  -2.192   0.0458 *
## tt          -0.0004764  0.0042639  -0.112   0.9126  
## z.diff.lag1  0.0741531  0.3821793   0.194   0.8489  
## z.diff.lag2  0.0996220  0.3488547   0.286   0.7794  
## z.diff.lag3  0.3384508  0.2630304   1.287   0.2191  
## z.diff.lag4  0.3781769  0.1913461   1.976   0.0682 .
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.09913 on 14 degrees of freedom
## Multiple R-squared:  0.5994, Adjusted R-squared:  0.4277 
## F-statistic: 3.491 on 6 and 14 DF,  p-value: 0.02526
## 
## 
## Value of test-statistic is: -2.1923 2.3997 3.527 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.7118
##   P VALUE:
##     Asymptotic p Value: 0.7005 
## 
## Description:
##  Fri Mar 17 17:55:31 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.97421, p-value = 0.5864
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.372415          1.306163          1.035538          1.059124

Curva de Phillips (Forward-Looking)

\[\pi _t = \alpha ^f_1+\pi_{t-1}+\alpha^f_2E_t(\pi_{t+1})+\alpha^f_3h_{t-1}+\alpha^f_4\Delta (p^F_t+e_t)+\varepsilon ^f_t \]

Linear

Em nível

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(2), End = 2021(12)
## 
## Call:
## dynlm(formula = ipca ~ lag(ipca, -1) + eipca + lag(hiato, -1) + 
##     Cambio)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -2.23401 -0.25225  0.00631  0.21913  1.56003 
## 
## Coefficients:
##                      Estimate     Std. Error t value             Pr(>|t|)    
## (Intercept)    -0.73979007204  0.22254632791  -3.324              0.00104 ** 
## lag(ipca, -1)   0.88116201091  0.01853417832  47.543 < 0.0000000000000002 ***
## eipca           0.27047395882  0.04341363345   6.230        0.00000000231 ***
## lag(hiato, -1) -0.00000004853  0.00000021447  -0.226              0.82120    
## Cambio          0.01527813153  0.03292011496   0.464              0.64303    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.4537 on 222 degrees of freedom
## Multiple R-squared:  0.9746, Adjusted R-squared:  0.9741 
## F-statistic:  2128 on 4 and 222 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.2644, df1 = 101, df2 = 101, p-value = 0.12
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 35.758, df = 4, p-value = 0.0000003245
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 13.53
## P-value: 0.001154
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 0.69217, p-value < 0.00000000000000022
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 116.14, df = 4, p-value < 0.00000000000000022
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 55.858, df = 4, p-value = 0.00000000002148
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 186.6, df = 12, p-value < 0.00000000000000022
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.74454 -0.15983  0.00578  0.15726  1.16929 
## 
## Coefficients:
##                Estimate Std. Error t value  Pr(>|t|)    
## (Intercept)  -0.0368725  0.0442287  -0.834   0.40546    
## z.lag.1      -0.3766490  0.0933708  -4.034 0.0000782 ***
## tt            0.0003556  0.0003282   1.084   0.27984    
## z.diff.lag1   0.0111518  0.0968891   0.115   0.90848    
## z.diff.lag2  -0.0364814  0.0978680  -0.373   0.70972    
## z.diff.lag3   0.0726235  0.0983866   0.738   0.46130    
## z.diff.lag4   0.1113153  0.0927219   1.201   0.23136    
## z.diff.lag5  -0.0076628  0.0872137  -0.088   0.93007    
## z.diff.lag6   0.1022116  0.0824954   1.239   0.21681    
## z.diff.lag7  -0.0645548  0.0815654  -0.791   0.42962    
## z.diff.lag8   0.0339458  0.0764194   0.444   0.65738    
## z.diff.lag9   0.1253187  0.0733524   1.708   0.08911 .  
## z.diff.lag10  0.2029498  0.0704410   2.881   0.00440 ** 
## z.diff.lag11  0.2190627  0.0658045   3.329   0.00104 ** 
## z.diff.lag12 -0.1816940  0.0637593  -2.850   0.00484 ** 
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.274 on 199 degrees of freedom
## Multiple R-squared:  0.3875, Adjusted R-squared:  0.3444 
## F-statistic: 8.991 on 14 and 199 DF,  p-value: 0.000000000000004086
## 
## 
## Value of test-statistic is: -4.0339 5.684 8.1933 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 108.6282
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:31 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.9557, p-value = 0.000001838
Multicolinearidade
vif(regressao)
##  lag(ipca, -1)          eipca lag(hiato, -1)         Cambio 
##       3.091579       2.963252       1.184547       1.242029

2003 - 2010

## 
## Time series regression with "ts" data:
## Start = 2003(2), End = 2010(12)
## 
## Call:
## dynlm(formula = ipca2003_2010 ~ lag(ipca2003_2010, -1) + eipca2003_2010 + 
##     lag(hiato2003_2010, -1) + Cambio2003_2010)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.82244 -0.18586  0.06247  0.21930  0.98605 
## 
## Coefficients:
##                              Estimate    Std. Error t value
## (Intercept)             -0.8538423916  0.2908325393  -2.936
## lag(ipca2003_2010, -1)   0.8563819824  0.0220758462  38.793
## eipca2003_2010           0.4828518618  0.0596870651   8.090
## lag(hiato2003_2010, -1) -0.0000003323  0.0000006256  -0.531
## Cambio2003_2010         -0.1457747507  0.0538890980  -2.705
##                                     Pr(>|t|)    
## (Intercept)                          0.00422 ** 
## lag(ipca2003_2010, -1)  < 0.0000000000000002 ***
## eipca2003_2010              0.00000000000266 ***
## lag(hiato2003_2010, -1)              0.59664    
## Cambio2003_2010                      0.00817 ** 
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.4226 on 90 degrees of freedom
## Multiple R-squared:  0.9853, Adjusted R-squared:  0.9846 
## F-statistic:  1505 on 4 and 90 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.127, df1 = 35, df2 = 35, p-value = 1
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 24.007, df = 4, p-value = 0.00007962
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 11.75
## P-value: 0.002812
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 0.76752, p-value = 0.0000000000003576
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 40.924, df = 4, p-value = 0.00000002787
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 29.432, df = 4, p-value = 0.000006386
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 56.772, df = 12, p-value = 0.00000008691
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.36665 -0.13498 -0.00953  0.10239  0.51102 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)   
## (Intercept)   0.113214   0.058502   1.935  0.05713 . 
## z.lag.1      -0.434027   0.126225  -3.439  0.00100 **
## tt           -0.001807   0.001002  -1.804  0.07568 . 
## z.diff.lag1  -0.082149   0.143715  -0.572  0.56947   
## z.diff.lag2   0.039468   0.142797   0.276  0.78308   
## z.diff.lag3  -0.056395   0.143116  -0.394  0.69478   
## z.diff.lag4   0.071674   0.117282   0.611  0.54315   
## z.diff.lag5   0.068132   0.103002   0.661  0.51055   
## z.diff.lag6   0.089964   0.097883   0.919  0.36129   
## z.diff.lag7  -0.147817   0.092276  -1.602  0.11381   
## z.diff.lag8  -0.048038   0.091305  -0.526  0.60051   
## z.diff.lag9   0.068729   0.084339   0.815  0.41797   
## z.diff.lag10  0.193709   0.080708   2.400  0.01913 * 
## z.diff.lag11  0.209309   0.073918   2.832  0.00609 **
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2007 on 68 degrees of freedom
## Multiple R-squared:  0.5332, Adjusted R-squared:  0.4439 
## F-statistic: 5.974 on 13 and 68 DF,  p-value: 0.0000003102
## 
## 
## Value of test-statistic is: -3.4385 5.9556 8.7624 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 76.8795
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:31 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.92598, p-value = 0.00004618
Multicolinearidade
vif(regressao)
##  lag(ipca2003_2010, -1)          eipca2003_2010 lag(hiato2003_2010, -1) 
##                3.153858                3.137254                1.490383 
##         Cambio2003_2010 
##                2.402122

2011 - 2016.8

## 
## Time series regression with "ts" data:
## Start = 2011(2), End = 2016(5)
## 
## Call:
## dynlm(formula = ipca2011_2016.8 ~ lag(ipca2011_2016.8, -1) + 
##     eipca2011_2016.8 + lag(hiato2011_2016.8, -1) + Cambio2011_2016.8)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.90875 -0.17277 -0.00182  0.20980  0.63017 
## 
## Coefficients:
##                                Estimate    Std. Error t value
## (Intercept)               -0.7400232376  0.4239794334  -1.745
## lag(ipca2011_2016.8, -1)   0.9515487464  0.0588010848  16.183
## eipca2011_2016.8           0.1288743526  0.1140378635   1.130
## lag(hiato2011_2016.8, -1)  0.0000001608  0.0000003752   0.429
## Cambio2011_2016.8          0.0755001809  0.0952770552   0.792
##                                      Pr(>|t|)    
## (Intercept)                            0.0861 .  
## lag(ipca2011_2016.8, -1)  <0.0000000000000002 ***
## eipca2011_2016.8                       0.2630    
## lag(hiato2011_2016.8, -1)              0.6698    
## Cambio2011_2016.8                      0.4313    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2917 on 59 degrees of freedom
## Multiple R-squared:  0.9674, Adjusted R-squared:  0.9651 
## F-statistic:   437 on 4 and 59 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.4848, df1 = 20, df2 = 19, p-value = 0.1967
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 6.4038, df = 4, p-value = 0.171
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 4.8
## P-value: 0.090517
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.0617, p-value = 0.000003354
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 18.315, df = 4, p-value = 0.001071
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 4.892, df = 4, p-value = 0.2986
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 47.213, df = 12, p-value = 0.000004281
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -0.6917 -0.1219 -0.0113  0.1265  0.6421 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)    
## (Intercept) -0.074041   0.109104  -0.679 0.501188    
## z.lag.1     -1.085849   0.284941  -3.811 0.000457 ***
## tt           0.001559   0.002686   0.580 0.564962    
## z.diff.lag1  0.360403   0.253200   1.423 0.162188    
## z.diff.lag2  0.332738   0.252941   1.315 0.195659    
## z.diff.lag3  0.408384   0.242889   1.681 0.100297    
## z.diff.lag4  0.477853   0.230302   2.075 0.044312 *  
## z.diff.lag5  0.529573   0.204625   2.588 0.013294 *  
## z.diff.lag6  0.714059   0.182978   3.902 0.000347 ***
## z.diff.lag7  0.270614   0.172091   1.573 0.123520    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2437 on 41 degrees of freedom
## Multiple R-squared:  0.5006, Adjusted R-squared:  0.391 
## F-statistic: 4.567 on 9 and 41 DF,  p-value: 0.0003319
## 
## 
## Value of test-statistic is: -3.8108 5.2956 7.9413 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 2.8101
##   P VALUE:
##     Asymptotic p Value: 0.2454 
## 
## Description:
##  Fri Mar 17 17:55:31 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98361, p-value = 0.5547
Multicolinearidade
vif(regressao)
##  lag(ipca2011_2016.8, -1)          eipca2011_2016.8 lag(hiato2011_2016.8, -1) 
##                  6.055965                  2.908851                  2.836256 
##         Cambio2011_2016.8 
##                  3.938820

2016.9 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(7), End = 2018(12)
## 
## Call:
## dynlm(formula = ipca2016.9_2018 ~ lag(ipca2016.9_2018, -1) + 
##     eipca2016.9_2018 + lag(hiato2016.9_2018, -1) + Cambio2016.9_2018)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.54276 -0.25877 -0.01249  0.15930  0.58407 
## 
## Coefficients:
##                               Estimate   Std. Error t value            Pr(>|t|)
## (Intercept)               -5.027314532  1.547577301  -3.249            0.003299
## lag(ipca2016.9_2018, -1)   0.879443490  0.048192395  18.249 0.00000000000000058
## eipca2016.9_2018           0.826203207  0.194719640   4.243            0.000265
## lag(hiato2016.9_2018, -1)  0.000001899  0.000001431   1.327            0.196362
## Cambio2016.9_2018          0.425813765  0.275556117   1.545            0.134842
##                              
## (Intercept)               ** 
## lag(ipca2016.9_2018, -1)  ***
## eipca2016.9_2018          ***
## lag(hiato2016.9_2018, -1)    
## Cambio2016.9_2018            
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3181 on 25 degrees of freedom
## Multiple R-squared:  0.9777, Adjusted R-squared:  0.9742 
## F-statistic: 274.2 on 4 and 25 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 2.4226, df1 = 3, df2 = 2, p-value = 0.3056
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 10.088, df = 4, p-value = 0.03897
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.02
## P-value: 0.988943
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.5336, p-value = 0.02676
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 2.7719, df = 4, p-value = 0.5967
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 6.468, df = 4, p-value = 0.1668
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 8.3627, df = 12, p-value = 0.7562
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##        1        2        3        4        5        6        7        8 
##  0.02313 -0.03131 -0.09800  0.16662 -0.06836 -0.08697  0.14282 -0.04225 
##        9       10       11       12       13       14       15       16 
##  0.09368 -0.18445  0.03822  0.13257 -0.06621 -0.01598  0.04934 -0.10193 
##       17 
##  0.04907 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)
## (Intercept)  -0.79672    1.12359  -0.709    0.552
## z.lag.1      -4.93656    3.09810  -1.593    0.252
## tt            0.04193    0.05323   0.788    0.513
## z.diff.lag1   3.94091    2.83870   1.388    0.299
## z.diff.lag2   3.24357    2.63938   1.229    0.344
## z.diff.lag3   2.99796    2.39034   1.254    0.336
## z.diff.lag4   2.88059    2.19584   1.312    0.320
## z.diff.lag5   2.25769    1.86314   1.212    0.349
## z.diff.lag6   1.92928    1.64824   1.171    0.362
## z.diff.lag7   2.00381    1.54128   1.300    0.323
## z.diff.lag8   1.03259    1.22593   0.842    0.488
## z.diff.lag9   1.54596    0.82623   1.871    0.202
## z.diff.lag10  0.67291    0.68278   0.986    0.428
## z.diff.lag11  0.89127    0.59136   1.507    0.271
## z.diff.lag12  0.66734    0.45955   1.452    0.284
## 
## Residual standard error: 0.2784 on 2 degrees of freedom
## Multiple R-squared:  0.9392, Adjusted R-squared:  0.514 
## F-statistic: 2.209 on 14 and 2 DF,  p-value: 0.3552
## 
## 
## Value of test-statistic is: -1.5934 2.7898 3.7434 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.8431
##   P VALUE:
##     Asymptotic p Value: 0.656 
## 
## Description:
##  Fri Mar 17 17:55:32 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98022, p-value = 0.8313
Multicolinearidade
vif(regressao)
##  lag(ipca2016.9_2018, -1)          eipca2016.9_2018 lag(hiato2016.9_2018, -1) 
##                  3.022270                  3.109767                  8.822912 
##         Cambio2016.9_2018 
##                  3.997206

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(2), End = 2021(12)
## 
## Call:
## dynlm(formula = ipca2019_2021 ~ lag(ipca2019_2021, -1) + eipca2019_2021 + 
##     lag(hiato2019_2021, -1) + Cambio2019_2021)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.17540 -0.26997  0.06955  0.26718  0.91923 
## 
## Coefficients:
##                              Estimate    Std. Error t value        Pr(>|t|)    
## (Intercept)             -1.1407065139  1.5175611258  -0.752        0.458106    
## lag(ipca2019_2021, -1)   0.7691050119  0.0723818831  10.626 0.0000000000109 ***
## eipca2019_2021           0.8787154782  0.2310444430   3.803        0.000654 ***
## lag(hiato2019_2021, -1) -0.0000009716  0.0000006608  -1.470        0.151868    
## Cambio2019_2021         -0.1753813629  0.2101153547  -0.835        0.410490    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.4671 on 30 degrees of freedom
## Multiple R-squared:  0.9741, Adjusted R-squared:  0.9707 
## F-statistic: 282.3 on 4 and 30 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.0555, df1 = 5, df2 = 5, p-value = 0.4771
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 5.479, df = 4, p-value = 0.2416
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 4.2
## P-value: 0.122708
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 0.95505, p-value = 0.00002587
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 12.956, df = 4, p-value = 0.01149
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 0.96732, df = 4, p-value = 0.9147
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 11.425, df = 12, p-value = 0.4929
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.62288 -0.19208 -0.01733  0.20051  0.64211 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)
## (Intercept)  0.201738   0.310822   0.649    0.525
## z.lag.1     -0.419851   0.307180  -1.367    0.189
## tt          -0.008244   0.013496  -0.611    0.549
## z.diff.lag   0.339601   0.303017   1.121    0.277
## 
## Residual standard error: 0.3597 on 18 degrees of freedom
## Multiple R-squared:  0.1783, Adjusted R-squared:  0.04132 
## F-statistic: 1.302 on 3 and 18 DF,  p-value: 0.3044
## 
## 
## Value of test-statistic is: -1.3668 1.331 1.8008 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 4.7686
##   P VALUE:
##     Asymptotic p Value: 0.09215 
## 
## Description:
##  Fri Mar 17 17:55:32 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.94137, p-value = 0.0616
Multicolinearidade
vif(regressao)
##  lag(ipca2019_2021, -1)          eipca2019_2021 lag(hiato2019_2021, -1) 
##                5.503023                5.659080                1.103412 
##         Cambio2019_2021 
##                1.449957

Em Diferença

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2021(12)
## 
## Call:
## dynlm(formula = Dipca ~ lag(Dipca, -1) + Deipca + lag(Dhiato, 
##     -1) + DCambio)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.94958 -0.17295  0.00793  0.18603  1.17346 
## 
## Coefficients:
##                      Estimate    Std. Error t value            Pr(>|t|)    
## (Intercept)      0.0011822360  0.0222705049   0.053               0.958    
## lag(Dipca, -1)   0.6451602682  0.0457464211  14.103 <0.0000000000000002 ***
## Deipca           0.7021802993  0.0777975994   9.026 <0.0000000000000002 ***
## lag(Dhiato, -1) -0.0000005835  0.0000007930  -0.736               0.463    
## DCambio         -0.0037354828  0.0909305896  -0.041               0.967    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3329 on 221 degrees of freedom
## Multiple R-squared:  0.5519, Adjusted R-squared:  0.5438 
## F-statistic: 68.06 on 4 and 221 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.0581, df1 = 101, df2 = 100, p-value = 0.3889
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 9.8223, df = 4, p-value = 0.04353
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 10.45
## P-value: 0.005375
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9092, p-value = 0.2145
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 3.9048, df = 4, p-value = 0.419
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 5.6885, df = 4, p-value = 0.2236
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 33.936, df = 12, p-value = 0.0006905
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.78779 -0.15855  0.00518  0.15105  1.15598 
## 
## Coefficients:
##                Estimate Std. Error t value       Pr(>|t|)    
## (Intercept)  -0.0239979  0.0414859  -0.578       0.563608    
## z.lag.1      -2.0245272  0.2968522  -6.820 0.000000000107 ***
## tt            0.0002574  0.0003124   0.824       0.410936    
## z.diff.lag1   0.9438877  0.2797879   3.374       0.000892 ***
## z.diff.lag2   0.7610309  0.2604655   2.922       0.003882 ** 
## z.diff.lag3   0.7576156  0.2377609   3.186       0.001672 ** 
## z.diff.lag4   0.7258497  0.2116106   3.430       0.000733 ***
## z.diff.lag5   0.5797549  0.1894534   3.060       0.002517 ** 
## z.diff.lag6   0.5566279  0.1700917   3.273       0.001257 ** 
## z.diff.lag7   0.3184964  0.1522401   2.092       0.037701 *  
## z.diff.lag8   0.2434356  0.1350093   1.803       0.072885 .  
## z.diff.lag9   0.2379802  0.1132347   2.102       0.036842 *  
## z.diff.lag10  0.2734321  0.0875081   3.125       0.002046 ** 
## z.diff.lag11  0.2718552  0.0606905   4.479 0.000012608507 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2678 on 199 degrees of freedom
## Multiple R-squared:  0.6111, Adjusted R-squared:  0.5857 
## F-statistic: 24.05 on 13 and 199 DF,  p-value: < 0.00000000000000022
## 
## 
## Value of test-statistic is: -6.82 15.9115 23.8529 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 324.6662
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:32 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.93889, p-value = 0.00000004082
Multicolinearidade
vif(regressao)
##  lag(Dipca, -1)          Deipca lag(Dhiato, -1)         DCambio 
##        1.061057        1.087034        1.119397        1.034545

2003 - 2010

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed
## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2010(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.84038 -0.14512  0.02748  0.18706  0.97013 
## 
## Coefficients:
##                       Estimate   Std. Error t value             Pr(>|t|)    
## (Intercept)        0.001216783  0.038672594   0.031                0.975    
## Var_Independente1  0.709204751  0.067791890  10.461 < 0.0000000000000002 ***
## Var_Independente2  0.699663338  0.124052072   5.640          0.000000198 ***
## Var_Independente3 -0.000001838  0.000001848  -0.995                0.322    
## Var_Independente4 -0.001846810  0.156239390  -0.012                0.991    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3494 on 89 degrees of freedom
## Multiple R-squared:  0.6081, Adjusted R-squared:  0.5905 
## F-statistic: 34.53 on 4 and 89 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.10308, df1 = 35, df2 = 34, p-value = 1
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 10.922, df = 4, p-value = 0.02745
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 7.51
## P-value: 0.023373
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9154, p-value = 0.2716
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 4.486, df = 4, p-value = 0.3442
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 4.7816, df = 4, p-value = 0.3105
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 24.933, df = 12, p-value = 0.01514
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.36880 -0.12766  0.00082  0.14282  0.44273 
## 
## Coefficients:
##                Estimate Std. Error t value  Pr(>|t|)    
## (Intercept)   0.0379289  0.0583734   0.650  0.518100    
## z.lag.1      -1.9647646  0.4495651  -4.370 0.0000449 ***
## tt           -0.0007220  0.0009936  -0.727  0.470053    
## z.diff.lag1   0.7355212  0.4105062   1.792  0.077758 .  
## z.diff.lag2   0.7288751  0.3805286   1.915  0.059772 .  
## z.diff.lag3   0.6525563  0.3498202   1.865  0.066570 .  
## z.diff.lag4   0.6539784  0.3013095   2.170  0.033575 *  
## z.diff.lag5   0.5797780  0.2616174   2.216  0.030135 *  
## z.diff.lag6   0.5493762  0.2293674   2.395  0.019458 *  
## z.diff.lag7   0.2649948  0.2052038   1.291  0.201079    
## z.diff.lag8   0.1706610  0.1798439   0.949  0.346113    
## z.diff.lag9   0.1704272  0.1616407   1.054  0.295563    
## z.diff.lag10  0.2771844  0.1368853   2.025  0.046922 *  
## z.diff.lag11  0.3899148  0.1102010   3.538  0.000743 ***
## z.diff.lag12  0.1713979  0.0771773   2.221  0.029799 *  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2016 on 66 degrees of freedom
## Multiple R-squared:  0.7401, Adjusted R-squared:  0.685 
## F-statistic: 13.42 on 14 and 66 DF,  p-value: 0.00000000000002789
## 
## 
## Value of test-statistic is: -4.3704 6.5408 9.6738 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 306.4671
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:33 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.88299, p-value = 0.0000004783
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.121053          1.113057          1.128740          1.165477

2011 - 2016.5

## 
## Time series regression with "ts" data:
## Start = 2011(2), End = 2016(5)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.60845 -0.16691  0.04493  0.13775  0.65680 
## 
## Coefficients:
##                       Estimate   Std. Error t value Pr(>|t|)    
## (Intercept)        0.016703513  0.032182542   0.519 0.605685    
## Var_Independente1  0.442660511  0.119369720   3.708 0.000463 ***
## Var_Independente2  0.457282860  0.139415567   3.280 0.001745 ** 
## Var_Independente3 -0.000001128  0.000001175  -0.960 0.340922    
## Var_Independente4  0.068375923  0.141705467   0.483 0.631221    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2494 on 59 degrees of freedom
## Multiple R-squared:  0.3466, Adjusted R-squared:  0.3023 
## F-statistic: 7.824 on 4 and 59 DF,  p-value: 0.00003963
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 2.317, df1 = 20, df2 = 19, p-value = 0.0363
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 6.0356, df = 4, p-value = 0.1965
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 4.85
## P-value: 0.088574
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9523, p-value = 0.357
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 1.165, df = 4, p-value = 0.8838
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 2.331, df = 4, p-value = 0.6751
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 18.503, df = 12, p-value = 0.1012
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.51640 -0.13516  0.00457  0.11368  0.53733 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  -0.189558   0.112367  -1.687 0.100027    
## z.lag.1      -2.605618   0.748566  -3.481 0.001299 ** 
## tt            0.005244   0.002893   1.813 0.077976 .  
## z.diff.lag1   1.403901   0.700738   2.003 0.052492 .  
## z.diff.lag2   1.351890   0.640649   2.110 0.041665 *  
## z.diff.lag3   1.413628   0.558042   2.533 0.015673 *  
## z.diff.lag4   1.407699   0.488067   2.884 0.006505 ** 
## z.diff.lag5   1.299692   0.442825   2.935 0.005702 ** 
## z.diff.lag6   1.528114   0.425173   3.594 0.000944 ***
## z.diff.lag7   1.112716   0.425271   2.616 0.012788 *  
## z.diff.lag8   0.616863   0.402279   1.533 0.133680    
## z.diff.lag9   0.395209   0.354160   1.116 0.271657    
## z.diff.lag10  0.334772   0.276504   1.211 0.233677    
## z.diff.lag11  0.389262   0.177306   2.195 0.034483 *  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.212 on 37 degrees of freedom
## Multiple R-squared:  0.7435, Adjusted R-squared:  0.6534 
## F-statistic: 8.251 on 13 and 37 DF,  p-value: 0.0000001965
## 
## 
## Value of test-statistic is: -3.4808 4.2278 6.3386 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.8948
##   P VALUE:
##     Asymptotic p Value: 0.6393 
## 
## Description:
##  Fri Mar 17 17:55:33 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.97548, p-value = 0.2316
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.286788          1.140072          1.349925          1.098882

2016.6 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(7), End = 2018(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.57159 -0.16682 -0.00189  0.14210  0.84929 
## 
## Coefficients:
##                       Estimate   Std. Error t value Pr(>|t|)    
## (Intercept)        0.091971878  0.088143131   1.043  0.30673    
## Var_Independente1  0.495803397  0.173456296   2.858  0.00846 ** 
## Var_Independente2  0.935103015  0.237841535   3.932  0.00059 ***
## Var_Independente3 -0.000007416  0.000004096  -1.810  0.08226 .  
## Var_Independente4  0.014902680  0.321555109   0.046  0.96340    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.3513 on 25 degrees of freedom
## Multiple R-squared:  0.5152, Adjusted R-squared:  0.4376 
## F-statistic: 6.642 on 4 and 25 DF,  p-value: 0.0008734
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 5.9946, df1 = 3, df2 = 2, p-value = 0.1463
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 7.3153, df = 4, p-value = 0.1201
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 9.54
## P-value: 0.008496
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.1941, p-value = 0.6799
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 3.0888, df = 4, p-value = 0.5431
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 4.1336, df = 4, p-value = 0.3882
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 7.1777, df = 12, p-value = 0.8456
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -0.1940 -0.1288  0.0037  0.1134  0.3187 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)  
## (Intercept) -0.03383    0.43217  -0.078   0.9401  
## z.lag.1     -4.11808    1.55719  -2.645   0.0383 *
## tt           0.01461    0.02162   0.676   0.5244  
## z.diff.lag1  2.42176    1.35665   1.785   0.1245  
## z.diff.lag2  1.80268    1.13804   1.584   0.1643  
## z.diff.lag3  1.46760    0.99101   1.481   0.1891  
## z.diff.lag4  1.07811    0.87067   1.238   0.2619  
## z.diff.lag5  0.57682    0.70560   0.817   0.4449  
## z.diff.lag6  0.03142    0.52820   0.059   0.9545  
## z.diff.lag7 -0.16600    0.41173  -0.403   0.7008  
## z.diff.lag8 -0.41831    0.26608  -1.572   0.1670  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2528 on 6 degrees of freedom
## Multiple R-squared:  0.9152, Adjusted R-squared:  0.7739 
## F-statistic: 6.477 on 10 and 6 DF,  p-value: 0.01643
## 
## 
## Value of test-statistic is: -2.6446 4.0672 5.4869 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 1.6477
##   P VALUE:
##     Asymptotic p Value: 0.4387 
## 
## Description:
##  Fri Mar 17 17:55:33 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.96526, p-value = 0.4189
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.570562          1.435144          1.951993          1.024182

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(2), End = 2021(12)
## 
## Call:
## dynlm(formula = Var_Dependente ~ Var_Independente1 + Var_Independente2 + 
##     Var_Independente3 + Var_Independente4)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1.10780 -0.18824  0.03105  0.36749  0.55748 
## 
## Coefficients:
##                       Estimate   Std. Error t value Pr(>|t|)    
## (Intercept)       0.0161326707 0.0764274400   0.211 0.834248    
## Var_Independente1 0.5496322504 0.1285174510   4.277 0.000178 ***
## Var_Independente2 0.9370482044 0.2260916892   4.145 0.000256 ***
## Var_Independente3 0.0000004923 0.0000015919   0.309 0.759258    
## Var_Independente4 0.0982676551 0.2646345946   0.371 0.712999    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.4172 on 30 degrees of freedom
## Multiple R-squared:  0.5514, Adjusted R-squared:  0.4916 
## F-statistic:  9.22 on 4 and 30 DF,  p-value: 0.00005553
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 2.0646, df1 = 5, df2 = 5, p-value = 0.2226
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 5.7072, df = 4, p-value = 0.2221
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.81
## P-value: 0.665684
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.6419, p-value = 0.09668
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 6.034, df = 4, p-value = 0.1966
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 3.5293, df = 4, p-value = 0.4734
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 8.0349, df = 12, p-value = 0.7824
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.58410 -0.20234  0.04801  0.17050  0.46683 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)
## (Intercept)  0.28310    0.28412   0.996    0.333
## z.lag.1     -0.30431    0.44793  -0.679    0.506
## tt          -0.01361    0.01181  -1.152    0.265
## z.diff.lag1 -0.39061    0.36951  -1.057    0.305
## z.diff.lag2 -0.39337    0.25729  -1.529    0.145
## 
## Residual standard error: 0.3429 on 17 degrees of freedom
## Multiple R-squared:  0.427,  Adjusted R-squared:  0.2922 
## F-statistic: 3.167 on 4 and 17 DF,  p-value: 0.04073
## 
## 
## Value of test-statistic is: -0.6794 0.8545 1.0702 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 2.7094
##   P VALUE:
##     Asymptotic p Value: 0.258 
## 
## Description:
##  Fri Mar 17 17:55:34 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.95151, p-value = 0.1261
Multicolinearidade
vif(regressao)
## Var_Independente1 Var_Independente2 Var_Independente3 Var_Independente4 
##          1.035307          1.073117          1.057486          1.050669

Potêncial

Em nível

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(2), End = 2021(12)
## 
## Call:
## dynlm(formula = lnipca1 ~ lag(lnipca1, -1) + lneipca1 + lag(lnhiato1, 
##     -1) + lnCambio1)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.26291 -0.04110  0.00404  0.03638  0.34906 
## 
## Coefficients:
##                    Estimate Std. Error t value             Pr(>|t|)    
## (Intercept)       -0.234808   0.335996  -0.699                0.485    
## lag(lnipca1, -1)   0.863792   0.022773  37.931 < 0.0000000000000002 ***
## lneipca1           0.245446   0.042429   5.785         0.0000000245 ***
## lag(lnhiato1, -1)  0.004413   0.025700   0.172                0.864    
## lnCambio1          0.010034   0.029057   0.345                0.730    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.082 on 222 degrees of freedom
## Multiple R-squared:  0.963,  Adjusted R-squared:  0.9623 
## F-statistic:  1443 on 4 and 222 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 3.5933, df1 = 101, df2 = 100, p-value = 0.0000000003018
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 31.921, df = 4, p-value = 0.000001986
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 20.42
## P-value: 0.000037
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.8945, p-value = 0.1511
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 7.8105, df = 4, p-value = 0.09877
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 19.009, df = 4, p-value = 0.0007828
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 73.513, df = 12, p-value = 0.00000000007013
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.24222 -0.03209 -0.00389  0.03034  0.32840 
## 
## Coefficients:
##                  Estimate   Std. Error t value         Pr(>|t|)    
## (Intercept)   0.001099324  0.009504885   0.116         0.908040    
## z.lag.1      -0.966195066  0.205146812  -4.710 0.00000464540350 ***
## tt           -0.000005754  0.000070995  -0.081         0.935481    
## z.diff.lag1   0.061925625  0.203773548   0.304         0.761526    
## z.diff.lag2  -0.037244272  0.200153631  -0.186         0.852573    
## z.diff.lag3   0.042813296  0.194645740   0.220         0.826132    
## z.diff.lag4   0.144924052  0.184832480   0.784         0.433924    
## z.diff.lag5  -0.001393727  0.172596452  -0.008         0.993565    
## z.diff.lag6   0.085985269  0.159629570   0.539         0.590727    
## z.diff.lag7   0.036272399  0.144239133   0.251         0.801707    
## z.diff.lag8   0.090870884  0.131581997   0.691         0.490620    
## z.diff.lag9   0.246397857  0.113085784   2.179         0.030517 *  
## z.diff.lag10  0.301967358  0.088255803   3.422         0.000756 ***
## z.diff.lag11  0.470617448  0.063515613   7.409 0.00000000000354 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.06344 on 199 degrees of freedom
## Multiple R-squared:  0.6466, Adjusted R-squared:  0.6235 
## F-statistic: 28.01 on 13 and 199 DF,  p-value: < 0.00000000000000022
## 
## 
## Value of test-statistic is: -4.7098 7.472 11.1334 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 294.4202
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:34 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.91348, p-value = 0.0000000003447
Multicolinearidade
vif(regressao)
##  lag(lnipca1, -1)  lag(lnipca1, -2) lag(lnhiato1, -1)         lnCambio1 
##         23.155175         23.304882          1.010297          1.050846

2003 - 2010

## 
## Time series regression with "ts" data:
## Start = 2003(2), End = 2010(1)
## 
## Call:
## dynlm(formula = lnipca12003_2010 ~ lag(lnipca12003_2010, -1) + 
##     lneipca12003_2010 + lag(lnhiato12003_2010, -1) + lnCambio12003_2010)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.143876 -0.030133  0.004692  0.031499  0.171261 
## 
## Coefficients:
##                            Estimate Std. Error t value             Pr(>|t|)    
## (Intercept)                -1.46654    0.85722  -1.711             0.091040 .  
## lag(lnipca12003_2010, -1)   0.85182    0.02759  30.870 < 0.0000000000000002 ***
## lneipca12003_2010           0.34543    0.05721   6.038         0.0000000481 ***
## lag(lnhiato12003_2010, -1)  0.10716    0.06647   1.612             0.110924    
## lnCambio12003_2010         -0.16451    0.04802  -3.426             0.000975 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.05886 on 79 degrees of freedom
## Multiple R-squared:  0.9833, Adjusted R-squared:  0.9824 
## F-statistic:  1162 on 4 and 79 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.38707, df1 = 30, df2 = 29, p-value = 0.9941
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 16.61, df = 4, p-value = 0.0023
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 1.04
## P-value: 0.595138
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 0.8954, p-value = 0.0000000009482
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 29.429, df = 4, p-value = 0.000006395
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 16.778, df = 4, p-value = 0.002135
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 55.173, df = 12, p-value = 0.0000001685
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.084254 -0.024679  0.002983  0.019656  0.093339 
## 
## Coefficients:
##                 Estimate  Std. Error t value Pr(>|t|)    
## (Intercept)   0.00433232  0.01254272   0.345 0.731061    
## z.lag.1      -0.89882306  0.22740994  -3.952 0.000216 ***
## tt           -0.00007211  0.00023863  -0.302 0.763621    
## z.diff.lag1   0.32078286  0.22010493   1.457 0.150491    
## z.diff.lag2   0.41120281  0.21080135   1.951 0.056020 .  
## z.diff.lag3   0.31830354  0.20566664   1.548 0.127237    
## z.diff.lag4   0.42437560  0.18080038   2.347 0.022412 *  
## z.diff.lag5   0.30826496  0.15701152   1.963 0.054494 .  
## z.diff.lag6   0.39352735  0.15023317   2.619 0.011266 *  
## z.diff.lag7   0.02565725  0.14187150   0.181 0.857128    
## z.diff.lag8   0.06732546  0.13311748   0.506 0.614976    
## z.diff.lag9   0.23461002  0.12077708   1.943 0.057022 .  
## z.diff.lag10  0.22628807  0.11704880   1.933 0.058174 .  
## z.diff.lag11  0.39272103  0.10617911   3.699 0.000489 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.04034 on 57 degrees of freedom
## Multiple R-squared:  0.554,  Adjusted R-squared:  0.4523 
## F-statistic: 5.447 on 13 and 57 DF,  p-value: 0.000002883
## 
## 
## Value of test-statistic is: -3.9524 5.6019 8.2402 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.9884
##   P VALUE:
##     Asymptotic p Value: 0.6101 
## 
## Description:
##  Fri Mar 17 17:55:34 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.97579, p-value = 0.1143
Multicolinearidade
vif(regressao)
##  lag(lnipca12003_2010, -1)          lneipca12003_2010 
##                   3.762582                   4.336689 
## lag(lnhiato12003_2010, -1)         lnCambio12003_2010 
##                   1.579691                   2.510501

2011 - 2016.8

## 
## Time series regression with "ts" data:
## Start = 2011(2), End = 2016(5)
## 
## Call:
## dynlm(formula = lnipca12011_2016.8 ~ lag(lnipca12011_2016.8, 
##     -1) + lneipca12011_2016.8 + lag(lnhiato12011_2016.8, -1) + 
##     lnCambio12011_2016.8)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.106549 -0.025742  0.002239  0.030385  0.073050 
## 
## Coefficients:
##                               Estimate Std. Error t value            Pr(>|t|)
## (Intercept)                  -0.613452   0.467858  -1.311               0.195
## lag(lnipca12011_2016.8, -1)   0.987412   0.049552  19.927 <0.0000000000000002
## lneipca12011_2016.8           0.136552   0.093578   1.459               0.150
## lag(lnhiato12011_2016.8, -1)  0.030321   0.033237   0.912               0.365
## lnCambio12011_2016.8         -0.008261   0.058453  -0.141               0.888
##                                 
## (Intercept)                     
## lag(lnipca12011_2016.8, -1)  ***
## lneipca12011_2016.8             
## lag(lnhiato12011_2016.8, -1)    
## lnCambio12011_2016.8            
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.04074 on 59 degrees of freedom
## Multiple R-squared:  0.9642, Adjusted R-squared:  0.9617 
## F-statistic: 396.9 on 4 and 59 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.83149, df1 = 20, df2 = 19, p-value = 0.6576
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 0.49767, df = 4, p-value = 0.9737
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.09
## P-value: 0.957901
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.1019, p-value = 0.000007884
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 17.334, df = 4, p-value = 0.001665
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 4.0204, df = 4, p-value = 0.4032
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 57.59, df = 12, p-value = 0.00000006185
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.070422 -0.017430 -0.005732  0.020573  0.090351 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)    
## (Intercept) -0.0106551  0.0148296  -0.719 0.476522    
## z.lag.1     -1.0942616  0.2637581  -4.149 0.000164 ***
## tt           0.0002586  0.0003635   0.711 0.480889    
## z.diff.lag1  0.2840954  0.2298261   1.236 0.223445    
## z.diff.lag2  0.3398625  0.2266627   1.499 0.141426    
## z.diff.lag3  0.4111754  0.2197861   1.871 0.068522 .  
## z.diff.lag4  0.4532612  0.2093221   2.165 0.036230 *  
## z.diff.lag5  0.5333893  0.1901597   2.805 0.007659 ** 
## z.diff.lag6  0.6553321  0.1730997   3.786 0.000492 ***
## z.diff.lag7  0.2600780  0.1569340   1.657 0.105104    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.03447 on 41 degrees of freedom
## Multiple R-squared:  0.5009, Adjusted R-squared:  0.3913 
## F-statistic: 4.572 on 9 and 41 DF,  p-value: 0.0003288
## 
## 
## Value of test-statistic is: -4.1487 6.0306 8.9985 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 2.1195
##   P VALUE:
##     Asymptotic p Value: 0.3465 
## 
## Description:
##  Fri Mar 17 17:55:34 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.97855, p-value = 0.3283
Multicolinearidade
vif(regressao)
##  lag(lnipca12011_2016.8, -1)          lneipca12011_2016.8 
##                     3.918814                     2.691264 
## lag(lnhiato12011_2016.8, -1)         lnCambio12011_2016.8 
##                     2.122454                     3.471579

2016.9 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(7), End = 2018(12)
## 
## Call:
## dynlm(formula = lnipca12016.9_2018 ~ lag(lnipca12016.9_2018, 
##     -1) + lneipca12016.9_2018 + lag(lnhiato12016.9_2018, -1) + 
##     lnCambio12016.9_2018)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.126237 -0.049577  0.000523  0.052117  0.198827 
## 
## Coefficients:
##                              Estimate Std. Error t value          Pr(>|t|)    
## (Intercept)                  -4.64935    2.89996  -1.603           0.12144    
## lag(lnipca12016.9_2018, -1)   0.89995    0.06461  13.929 0.000000000000276 ***
## lneipca12016.9_2018           0.82168    0.23035   3.567           0.00149 ** 
## lag(lnhiato12016.9_2018, -1)  0.18471    0.23280   0.793           0.43500    
## lnCambio12016.9_2018          0.69563    0.38461   1.809           0.08255 .  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.08348 on 25 degrees of freedom
## Multiple R-squared:  0.9629, Adjusted R-squared:  0.9569 
## F-statistic:   162 on 4 and 25 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 10.638, df1 = 3, df2 = 2, p-value = 0.08714
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 15.653, df = 4, p-value = 0.003523
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 2.62
## P-value: 0.269775
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.4891, p-value = 0.02153
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 3.369, df = 4, p-value = 0.4981
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 4.6017, df = 4, p-value = 0.3307
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 7.3322, df = 12, p-value = 0.8349
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##           1           2           3           4           5           6 
## -0.00009746  0.00432546 -0.02211291  0.02755896 -0.00174259 -0.03702991 
##           7           8           9          10          11          12 
##  0.04116984 -0.00971994  0.00823906 -0.02252865  0.00105514  0.02681164 
##          13          14          15          16          17 
## -0.01274969 -0.00707184  0.01831825 -0.02101033  0.00658497 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)
## (Intercept)  -0.47350    0.31284  -1.514    0.269
## z.lag.1      -7.16221    3.46230  -2.069    0.174
## tt            0.02236    0.01434   1.559    0.259
## z.diff.lag1   6.07358    3.12133   1.946    0.191
## z.diff.lag2   5.18136    2.90594   1.783    0.217
## z.diff.lag3   4.66424    2.56065   1.822    0.210
## z.diff.lag4   4.44143    2.35918   1.883    0.200
## z.diff.lag5   3.52830    1.97688   1.785    0.216
## z.diff.lag6   3.02085    1.66327   1.816    0.211
## z.diff.lag7   2.73753    1.52108   1.800    0.214
## z.diff.lag8   1.66780    1.24801   1.336    0.313
## z.diff.lag9   2.09143    0.75298   2.778    0.109
## z.diff.lag10  0.87862    0.74083   1.186    0.357
## z.diff.lag11  1.10720    0.59781   1.852    0.205
## z.diff.lag12  0.77047    0.57734   1.335    0.314
## 
## Residual standard error: 0.05813 on 2 degrees of freedom
## Multiple R-squared:  0.9685, Adjusted R-squared:  0.7482 
## F-statistic: 4.395 on 14 and 2 DF,  p-value: 0.2006
## 
## 
## Value of test-statistic is: -2.0686 3.2865 3.8782 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.1502
##   P VALUE:
##     Asymptotic p Value: 0.9277 
## 
## Description:
##  Fri Mar 17 17:55:35 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.96374, p-value = 0.3845
Multicolinearidade
vif(regressao)
##  lag(lnipca12016.9_2018, -1)          lneipca12016.9_2018 
##                     3.151259                     3.226981 
## lag(lnhiato12016.9_2018, -1)         lnCambio12016.9_2018 
##                    11.638601                     4.240519

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(2), End = 2021(12)
## 
## Call:
## dynlm(formula = lnipca12019_2021 ~ lag(lnipca12019_2021, -1) + 
##     lneipca12019_2021 + lag(lnhiato12019_2021, -1) + lnCambio12019_2021)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.22812 -0.07543  0.01244  0.06649  0.14476 
## 
## Coefficients:
##                            Estimate Std. Error t value        Pr(>|t|)    
## (Intercept)                 1.97783    1.24031   1.595           0.121    
## lag(lnipca12019_2021, -1)   0.62909    0.06397   9.835 0.0000000000674 ***
## lneipca12019_2021           1.00657    0.15343   6.560 0.0000002945627 ***
## lag(lnhiato12019_2021, -1) -0.18399    0.09007  -2.043           0.050 *  
## lnCambio12019_2021         -0.15996    0.26071  -0.614           0.544    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.09559 on 30 degrees of freedom
## Multiple R-squared:  0.9682, Adjusted R-squared:  0.964 
## F-statistic: 228.4 on 4 and 30 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.26716, df1 = 5, df2 = 5, p-value = 0.9131
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 4.7412, df = 4, p-value = 0.3149
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.4
## P-value: 0.818442
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.2355, p-value = 0.001246
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 10.154, df = 4, p-value = 0.03792
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 0.87835, df = 4, p-value = 0.9276
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 14.009, df = 12, p-value = 0.3002
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.111200 -0.047029 -0.005046  0.045731  0.130569 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)  
## (Intercept)  0.0204636  0.0584926   0.350   0.7305  
## z.lag.1     -0.6728465  0.2873354  -2.342   0.0309 *
## tt          -0.0007602  0.0024327  -0.312   0.7583  
## z.diff.lag   0.2878042  0.2589267   1.112   0.2810  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.0713 on 18 degrees of freedom
## Multiple R-squared:  0.2528, Adjusted R-squared:  0.1282 
## F-statistic:  2.03 on 3 and 18 DF,  p-value: 0.1458
## 
## 
## Value of test-statistic is: -2.3417 2.1287 2.9915 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 2.3644
##   P VALUE:
##     Asymptotic p Value: 0.3066 
## 
## Description:
##  Fri Mar 17 17:55:35 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.95196, p-value = 0.1302
Multicolinearidade
vif(regressao)
##  lag(lnipca12019_2021, -1)          lneipca12019_2021 
##                   3.574165                   3.556733 
## lag(lnhiato12019_2021, -1)         lnCambio12019_2021 
##                   1.040284                   1.655345

Em Diferença

2003 - 2021

## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2021(12)
## 
## Call:
## dynlm(formula = Dlnipca1 ~ lag(Dlnipca1, -1) + Dlneipca1 + lag(Dlnhiato1, 
##     -1) + DlnCambio1)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.27164 -0.03460 -0.00309  0.02840  0.34130 
## 
## Coefficients:
##                      Estimate Std. Error t value            Pr(>|t|)    
## (Intercept)         0.0008906  0.0042185   0.211               0.833    
## lag(Dlnipca1, -1)   0.5610684  0.0490855  11.430 <0.0000000000000002 ***
## Dlneipca1           0.7311724  0.0716686  10.202 <0.0000000000000002 ***
## lag(Dlnhiato1, -1) -0.1278175  0.1019648  -1.254               0.211    
## DlnCambio1          0.0436402  0.0917586   0.476               0.635    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.06326 on 221 degrees of freedom
## Multiple R-squared:  0.5023, Adjusted R-squared:  0.4933 
## F-statistic: 55.77 on 4 and 221 DF,  p-value: < 0.00000000000000022
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 2.6851, df1 = 101, df2 = 100, p-value = 0.000000651
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 3.7473, df = 4, p-value = 0.4413
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.76
## P-value: 0.683773
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.987, p-value = 0.4275
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 5.3489, df = 4, p-value = 0.2533
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 6.2385, df = 4, p-value = 0.182
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 39.271, df = 12, p-value = 0.00009495
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.155411 -0.033012 -0.001172  0.031137  0.311949 
## 
## Coefficients:
##                 Estimate  Std. Error t value        Pr(>|t|)    
## (Intercept)  -0.00453084  0.00865179  -0.524        0.601079    
## z.lag.1      -2.09860247  0.30455710  -6.891 0.0000000000715 ***
## tt            0.00003804  0.00006478   0.587        0.557675    
## z.diff.lag1   1.03738003  0.29051121   3.571        0.000446 ***
## z.diff.lag2   0.84930799  0.27522747   3.086        0.002319 ** 
## z.diff.lag3   0.86866636  0.25751851   3.373        0.000893 ***
## z.diff.lag4   0.85005351  0.23609961   3.600        0.000401 ***
## z.diff.lag5   0.65023009  0.21257682   3.059        0.002528 ** 
## z.diff.lag6   0.54019895  0.18902339   2.858        0.004719 ** 
## z.diff.lag7   0.37536424  0.16596960   2.262        0.024801 *  
## z.diff.lag8   0.35332171  0.14560868   2.427        0.016136 *  
## z.diff.lag9   0.43868690  0.12178688   3.602        0.000399 ***
## z.diff.lag10  0.39579913  0.09332277   4.241 0.0000340411298 ***
## z.diff.lag11  0.39281560  0.06446893   6.093 0.0000000056350 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.05665 on 199 degrees of freedom
## Multiple R-squared:  0.6275, Adjusted R-squared:  0.6031 
## F-statistic: 25.78 on 13 and 199 DF,  p-value: < 0.00000000000000022
## 
## 
## Value of test-statistic is: -6.8907 16.1053 24.1457 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -3.99 -3.43 -3.13
## phi2  6.22  4.75  4.07
## phi3  8.43  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 288.5021
##   P VALUE:
##     Asymptotic p Value: < 0.00000000000000022 
## 
## Description:
##  Fri Mar 17 17:55:35 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.93458, p-value = 0.00000001682
Multicolinearidade
vif(regressao)
##  lag(Dlnipca1, -1)          Dlneipca1 lag(Dlnhiato1, -1)         DlnCambio1 
##           1.072661           1.065076           1.118296           1.026445

2003 - 2010

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed

## Warning in window.default(x, ...): 'start' value not changed
## 
## Time series regression with "ts" data:
## Start = 2003(3), End = 2010(12)
## 
## Call:
## dynlm(formula = Dlnipca1aux ~ lag(Dlnipca1aux, -1) + Dlneipca1aux + 
##     lag(Dlnhiato1aux, -1) + DlnCambio1aux)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.159451 -0.026855  0.001323  0.031348  0.148858 
## 
## Coefficients:
##                        Estimate Std. Error t value          Pr(>|t|)    
## (Intercept)           0.0004871  0.0053460   0.091             0.928    
## lag(Dlnipca1aux, -1)  0.6471186  0.0736607   8.785 0.000000000000105 ***
## Dlneipca1aux          0.5044980  0.1010858   4.991 0.000002962538979 ***
## lag(Dlnhiato1aux, -1) 0.0096420  0.1719920   0.056             0.955    
## DlnCambio1aux         0.0767383  0.1241757   0.618             0.538    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.0491 on 89 degrees of freedom
## Multiple R-squared:  0.5465, Adjusted R-squared:  0.5262 
## F-statistic: 26.82 on 4 and 89 DF,  p-value: 0.00000000000001317
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.30273, df1 = 35, df2 = 34, p-value = 0.9997
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 2.5641, df = 4, p-value = 0.6332
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 0.35
## P-value: 0.841156
Autocorrelação
dwtest(regressao)
## Warning in dwtest(regressao): exact p value cannot be computed (not in [0,1]),
## approximate p value will be used
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.0093, p-value = 0.4502
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 2.5328, df = 4, p-value = 0.6388
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 1.5029, df = 4, p-value = 0.8261
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 26.433, df = 12, p-value = 0.009318
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.078716 -0.022199  0.003935  0.021776  0.088295 
## 
## Coefficients:
##                Estimate Std. Error t value Pr(>|t|)    
## (Intercept)   0.0041609  0.0114523   0.363 0.717523    
## z.lag.1      -1.9150764  0.4944142  -3.873 0.000249 ***
## tt           -0.0000707  0.0001960  -0.361 0.719446    
## z.diff.lag1   0.7942303  0.4597934   1.727 0.088780 .  
## z.diff.lag2   0.7612107  0.4375521   1.740 0.086573 .  
## z.diff.lag3   0.6594842  0.4051171   1.628 0.108314    
## z.diff.lag4   0.7112161  0.3686966   1.929 0.058033 .  
## z.diff.lag5   0.5627663  0.3287367   1.712 0.091610 .  
## z.diff.lag6   0.5809194  0.2868906   2.025 0.046928 *  
## z.diff.lag7   0.2268016  0.2665326   0.851 0.397883    
## z.diff.lag8   0.1571223  0.2378515   0.661 0.511174    
## z.diff.lag9   0.1930589  0.2161972   0.893 0.375114    
## z.diff.lag10  0.2118221  0.1848559   1.146 0.255984    
## z.diff.lag11  0.4406325  0.1522206   2.895 0.005140 ** 
## z.diff.lag12  0.1607679  0.1109278   1.449 0.151988    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.04037 on 66 degrees of freedom
## Multiple R-squared:  0.7167, Adjusted R-squared:  0.6566 
## F-statistic: 11.92 on 14 and 66 DF,  p-value: 0.0000000000003997
## 
## 
## Value of test-statistic is: -3.8734 5.2572 7.7348 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 5.3712
##   P VALUE:
##     Asymptotic p Value: 0.06818 
## 
## Description:
##  Fri Mar 17 17:55:36 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98565, p-value = 0.3974
Multicolinearidade
vif(regressao)
##  lag(Dlnipca1aux, -1)          Dlneipca1aux lag(Dlnhiato1aux, -1) 
##              1.080735              1.073406              1.119827 
##         DlnCambio1aux 
##              1.134550

2011 - 2016.8

## 
## Time series regression with "ts" data:
## Start = 2011(2), End = 2016(5)
## 
## Call:
## dynlm(formula = Dlnipca1aux ~ lag(Dlnipca1aux, -1) + Dlneipca1aux + 
##     lag(Dlnhiato1aux, -1) + DlnCambio1aux)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.092061 -0.023380  0.005102  0.021377  0.103827 
## 
## Coefficients:
##                        Estimate Std. Error t value  Pr(>|t|)    
## (Intercept)            0.002921   0.004732   0.617   0.53938    
## lag(Dlnipca1aux, -1)   0.493557   0.117223   4.210 0.0000882 ***
## Dlneipca1aux           0.335309   0.124014   2.704   0.00894 ** 
## lag(Dlnhiato1aux, -1) -0.017070   0.119922  -0.142   0.88729    
## DlnCambio1aux         -0.018783   0.095786  -0.196   0.84521    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.03601 on 59 degrees of freedom
## Multiple R-squared:  0.2944, Adjusted R-squared:  0.2466 
## F-statistic: 6.154 on 4 and 59 DF,  p-value: 0.0003301
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 1.2296, df1 = 20, df2 = 19, p-value = 0.3279
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 2.0258, df = 4, p-value = 0.731
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 1.81
## P-value: 0.404544
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.0319, p-value = 0.4823
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 1.0596, df = 4, p-value = 0.9006
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 2.3453, df = 4, p-value = 0.6725
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 17.674, df = 12, p-value = 0.1259
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.059113 -0.020042 -0.003396  0.016138  0.075972 
## 
## Coefficients:
##                Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  -0.0335651  0.0172795  -1.942 0.059719 .  
## z.lag.1      -2.6105529  0.7168514  -3.642 0.000824 ***
## tt            0.0009135  0.0004383   2.084 0.044115 *  
## z.diff.lag1   1.3970205  0.6655934   2.099 0.042708 *  
## z.diff.lag2   1.3528912  0.5967582   2.267 0.029320 *  
## z.diff.lag3   1.3611299  0.5217684   2.609 0.013036 *  
## z.diff.lag4   1.3290692  0.4619857   2.877 0.006630 ** 
## z.diff.lag5   1.2297643  0.4245208   2.897 0.006297 ** 
## z.diff.lag6   1.3904430  0.4081624   3.407 0.001599 ** 
## z.diff.lag7   1.0404972  0.4018720   2.589 0.013677 *  
## z.diff.lag8   0.6511654  0.3732660   1.745 0.089373 .  
## z.diff.lag9   0.4123829  0.3222439   1.280 0.208609    
## z.diff.lag10  0.3112082  0.2504929   1.242 0.221912    
## z.diff.lag11  0.3695629  0.1581509   2.337 0.024973 *  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.03207 on 37 degrees of freedom
## Multiple R-squared:  0.7292, Adjusted R-squared:  0.6341 
## F-statistic: 7.665 on 13 and 37 DF,  p-value: 0.0000004858
## 
## 
## Value of test-statistic is: -3.6417 4.5814 6.8343 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.04 -3.45 -3.15
## phi2  6.50  4.88  4.16
## phi3  8.73  6.49  5.47
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 1.3473
##   P VALUE:
##     Asymptotic p Value: 0.5098 
## 
## Description:
##  Fri Mar 17 17:55:36 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98412, p-value = 0.5816
Multicolinearidade
vif(regressao)
##  lag(Dlnipca1aux, -1)          Dlneipca1aux lag(Dlnhiato1aux, -1) 
##              1.149349              1.150602              1.234911 
##         DlnCambio1aux 
##              1.087615

2016.9 - 2018

## 
## Time series regression with "ts" data:
## Start = 2016(7), End = 2018(12)
## 
## Call:
## dynlm(formula = Dlnipca1aux ~ lag(Dlnipca1aux, -1) + Dlneipca1aux + 
##     lag(Dlnhiato1aux, -1) + DlnCambio1aux)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.12216 -0.04010 -0.01166  0.02482  0.26651 
## 
## Coefficients:
##                       Estimate Std. Error t value Pr(>|t|)    
## (Intercept)            0.02875    0.02208   1.302 0.204857    
## lag(Dlnipca1aux, -1)   0.37742    0.20385   1.851 0.075947 .  
## Dlneipca1aux           0.92286    0.24023   3.842 0.000744 ***
## lag(Dlnhiato1aux, -1) -1.27738    0.62386  -2.048 0.051249 .  
## DlnCambio1aux          0.03514    0.42669   0.082 0.935017    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.08769 on 25 degrees of freedom
## Multiple R-squared:  0.4746, Adjusted R-squared:  0.3906 
## F-statistic: 5.647 on 4 and 25 DF,  p-value: 0.002221
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 6.2676, df1 = 3, df2 = 2, p-value = 0.1407
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 6.363, df = 4, p-value = 0.1736
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 17.03
## P-value: 0.000201
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 2.3647, p-value = 0.8389
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 5.4835, df = 4, p-value = 0.2412
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 2.0948, df = 4, p-value = 0.7183
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 9.6006, df = 12, p-value = 0.651
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##         1         2         3         4         5         6         7         8 
## -0.033547  0.042819 -0.027489  0.020246  0.006283 -0.055856  0.044354  0.021357 
##         9        10        11        12        13        14        15        16 
## -0.003862 -0.034428  0.012747  0.038088 -0.013083 -0.024500  0.039716 -0.029266 
##        17 
## -0.003580 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)
## (Intercept)   -0.72768    0.56641  -1.285    0.328
## z.lag.1      -10.96438    6.41766  -1.708    0.230
## tt             0.03652    0.02643   1.382    0.301
## z.diff.lag1    9.12602    6.09156   1.498    0.273
## z.diff.lag2    8.07423    5.60532   1.440    0.286
## z.diff.lag3    7.03644    5.17174   1.361    0.307
## z.diff.lag4    6.39942    4.70038   1.361    0.306
## z.diff.lag5    5.30165    4.04680   1.310    0.320
## z.diff.lag6    3.93169    3.35815   1.171    0.362
## z.diff.lag7    2.84284    2.72564   1.043    0.406
## z.diff.lag8    2.13847    2.10058   1.018    0.416
## z.diff.lag9    2.06017    1.51647   1.359    0.307
## z.diff.lag10   1.64204    1.29593   1.267    0.333
## z.diff.lag11   1.20632    1.06840   1.129    0.376
## z.diff.lag12   0.90027    0.60813   1.480    0.277
## 
## Residual standard error: 0.08871 on 2 degrees of freedom
## Multiple R-squared:  0.9567, Adjusted R-squared:  0.6536 
## F-statistic: 3.156 on 14 and 2 DF,  p-value: 0.2665
## 
## 
## Value of test-statistic is: -1.7085 2.9325 2.6858 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 17.2244
##   P VALUE:
##     Asymptotic p Value: 0.0001819 
## 
## Description:
##  Fri Mar 17 17:55:36 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.89686, p-value = 0.007043
Multicolinearidade
vif(regressao)
##  lag(Dlnipca1aux, -1)          Dlneipca1aux lag(Dlnhiato1aux, -1) 
##              1.967860              1.347255              2.024698 
##         DlnCambio1aux 
##              1.022953

2019 - 2021

## 
## Time series regression with "ts" data:
## Start = 2019(2), End = 2021(12)
## 
## Call:
## dynlm(formula = Dlnipca1aux ~ lag(Dlnipca1aux, -1) + Dlneipca1aux + 
##     lag(Dlnhiato1aux, -1) + DlnCambio1aux)
## 
## Residuals:
##       Min        1Q    Median        3Q       Max 
## -0.259066 -0.050040  0.000741  0.066532  0.185832 
## 
## Coefficients:
##                         Estimate Std. Error t value  Pr(>|t|)    
## (Intercept)           -0.0002586  0.0179258  -0.014  0.988587    
## lag(Dlnipca1aux, -1)   0.5445794  0.1227328   4.437  0.000114 ***
## Dlneipca1aux           1.0261126  0.2000589   5.129 0.0000162 ***
## lag(Dlnhiato1aux, -1) -0.1004700  0.2654830  -0.378  0.707767    
## DlnCambio1aux          0.2808293  0.3676918   0.764  0.450974    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.1021 on 30 degrees of freedom
## Multiple R-squared:  0.5896, Adjusted R-squared:  0.5349 
## F-statistic: 10.78 on 4 and 30 DF,  p-value: 0.00001553
Heterocedasticidade
gqtest(regressao, fraction=15, alternative = "greater")
## 
##  Goldfeld-Quandt test
## 
## data:  regressao
## GQ = 0.7409, df1 = 5, df2 = 5, p-value = 0.6249
## alternative hypothesis: variance increases from segment 1 to 2
bptest(regressao)
## 
##  studentized Breusch-Pagan test
## 
## data:  regressao
## BP = 2.6345, df = 4, p-value = 0.6207
white_test(regressao)
## White's test results
## 
## Null hypothesis: Homoskedasticity of the residuals
## Alternative hypothesis: Heteroskedasticity of the residuals
## Test Statistic: 1.5
## P-value: 0.471995
Autocorrelação
dwtest(regressao)
## 
##  Durbin-Watson test
## 
## data:  regressao
## DW = 1.9813, p-value = 0.3879
## alternative hypothesis: true autocorrelation is greater than 0
bgtest(regressao, order=4)
## 
##  Breusch-Godfrey test for serial correlation of order up to 4
## 
## data:  regressao
## LM test = 5.5004, df = 4, p-value = 0.2397
ArchTest(residuos, lags=4) 
## 
##  ARCH LM-test; Null hypothesis: no ARCH effects
## 
## data:  residuos
## Chi-squared = 2.4475, df = 4, p-value = 0.6541
Estacionaridade
Box.test(residuos, lag=12, type="Box-Pierce")
## 
##  Box-Pierce test
## 
## data:  residuos
## X-squared = 11.414, df = 12, p-value = 0.4938
ADF test
dickey1<-ur.df(residuos, lags=12, type="trend", selectlags="AIC")
summary(dickey1)
## 
## ############################################### 
## # Augmented Dickey-Fuller Test Unit Root Test # 
## ############################################### 
## 
## Test regression trend 
## 
## 
## Call:
## lm(formula = z.diff ~ z.lag.1 + 1 + tt + z.diff.lag)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.15045 -0.05450 -0.01019  0.04899  0.14971 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)  
## (Intercept)  0.029111   0.069821   0.417   0.6817  
## z.lag.1     -0.988320   0.348413  -2.837   0.0109 *
## tt          -0.001468   0.002868  -0.512   0.6150  
## z.diff.lag  -0.031846   0.243409  -0.131   0.8974  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.08494 on 18 degrees of freedom
## Multiple R-squared:  0.5134, Adjusted R-squared:  0.4323 
## F-statistic:  6.33 on 3 and 18 DF,  p-value: 0.004038
## 
## 
## Value of test-statistic is: -2.8366 2.8484 4.2633 
## 
## Critical values for test statistics: 
##       1pct  5pct 10pct
## tau3 -4.15 -3.50 -3.18
## phi2  7.02  5.13  4.31
## phi3  9.31  6.73  5.61
Normalidade
jarqueberaTest(residuos)
## 
## Title:
##  Jarque - Bera Normalality Test
## 
## Test Results:
##   STATISTIC:
##     X-squared: 0.6245
##   P VALUE:
##     Asymptotic p Value: 0.7318 
## 
## Description:
##  Fri Mar 17 17:55:37 2023 by user: 55819
shapiro.test(residuos)
## 
##  Shapiro-Wilk normality test
## 
## data:  residuos
## W = 0.98368, p-value = 0.8702
Multicolinearidade
vif(regressao)
##  lag(Dlnipca1aux, -1)          Dlneipca1aux lag(Dlnhiato1aux, -1) 
##              1.088894              1.061646              1.057265 
##         DlnCambio1aux 
##              1.080806

Referências

  • BOGDANSKI, Joel; ANTONIO TOMBINI, Alexandre; RIBEIRO C. WERLANG, Sérgio. Implementing Inflation Targeting in Brazil, 2000.
  • MAIA, Sinézio Fernandes. Curso Econometria, Notas de aula. Disponível em: Sala de Ações.
  • WOOLDRIDGE, J. M. Introdução à Econometria: Uma Abordagem Moderna, 2012.
  • GUJARATI, D. Econometria Básica, 2011.
  • Fernanda Peres: Rmarkdown. Canal do Youtube.