ZA Tests in Levels - Oil Price
Brent
US Refiner Acquisition Cost
WTI
Model 1
Model 2
Model 3
Model 1
Model 2
Model 3
Model 1
Model 2
Model 3
Lags ZA Stat Potential Break ZA Stat Potential Break ZA Stat Potential Break ZA Stat Potential Break ZA Stat Potential Break ZA Stat Potential Break ZA Stat Potential Break ZA Stat Potential Break ZA Stat Potential Break
1 -5.05486 01/09/2014 -3.95718 01/03/2010 -4.98567 01/06/2014 -5.65217 01/09/2014 -4.52096 01/07/2010 -5.61769 01/09/2014 -5.28441 01/09/2014 -4.15602 01/02/2008 -5.18805 01/09/2014
2 -4.69486 01/06/2014 -3.54939 01/03/2010 -4.55742 01/06/2014 -4.84898 01/09/2014 -3.67159 01/01/2010 -4.72256 01/09/2014 -4.96962 01/09/2014 -3.81399 01/01/2008 -4.8266 01/09/2014
3 -4.70215 01/06/2014 -3.57759 01/01/2010 -4.57934 01/06/2014 -4.80664 01/09/2014 -3.63413 01/10/2009 -4.67827 01/09/2014 -4.84317 01/09/2014 -3.70528 01/11/2007 -4.68322 01/09/2014
4 -4.55926 01/06/2014 -3.41646 01/01/2008 -4.39316 01/06/2014 -4.73639 01/09/2014 -3.55811 01/10/2009 -4.59378 01/09/2014 -4.75723 01/09/2014 -3.62466 01/11/2007 -4.57675 01/09/2014
5 -4.71183 01/09/2014 -3.61484 01/03/2010 -4.59731 01/06/2014 -4.79561 01/09/2014 -3.63499 01/10/2009 -4.66756 01/09/2014 -4.87402 01/09/2014 -3.77753 01/01/2008 -4.72124 01/09/2014
6 -4.62231 01/09/2014 -3.51362 01/10/2009 -4.48114 01/06/2014 -4.71157 01/09/2014 -3.53987 01/10/2009 -4.56275 01/09/2014 -4.81746 01/09/2014 -3.72432 01/01/2008 -4.6497 01/09/2014
7 -4.693 01/09/2014 -3.6273 01/03/2010 -4.58688 01/06/2014 -4.70292 01/09/2014 -3.53925 01/10/2009 -4.5528 01/09/2014 -4.8104 01/09/2014 -3.71659 01/01/2008 -4.64079 01/09/2014
8 -4.62205 01/09/2014 -3.54872 01/03/2010 -4.48889 01/06/2014 -4.59795 01/09/2014 -3.41556 01/10/2009 -4.41238 01/09/2014 -4.73254 01/09/2014 -3.62579 01/01/2008 -4.53494 01/09/2014
9 -4.54571 01/09/2014 -3.45701 01/03/2010 -4.37154 01/09/2014 -4.64782 01/09/2014 -3.50633 01/10/2009 -4.48589 01/09/2014 -4.69446 01/09/2014 -3.60116 01/01/2008 -4.47834 01/09/2014
10 -4.72691 01/09/2014 -3.75572 01/08/2010 -4.66044 01/09/2014 -4.80462 01/09/2014 -3.73461 01/10/2009 -4.72086 01/09/2014 -4.81304 01/09/2014 -3.77061 01/03/2008 -4.65661 01/09/2014
11 -4.67682 01/09/2014 -3.71492 01/10/2010 -4.60021 01/09/2014 -4.82291 01/09/2014 -3.79149 01/10/2010 -4.76407 01/09/2014 -4.77525 01/09/2014 -3.7305 01/08/2009 -4.60521 01/09/2014
12 -4.7321 01/09/2014 -3.85543 01/10/2010 -4.71323 01/09/2014 -4.73901 01/09/2014 -3.69517 01/10/2009 -4.6389 01/09/2014 -4.7477 01/09/2014 -3.74284 01/08/2009 -4.56779 01/09/2014
Model 1: With intercept
Model 2: With trend
Model 3: With intercept and trend