Covariate Balance Before and After Matching
Means, standardized mean differences, and variance ratios
Stage
Balance Statistics
Mean (Treated) Mean (Control) Std. Mean Diff. Variance Ratio
year Before 2,018.250 2,016.606 0.794 1.000
bics Before 2.432 1.947 0.697 1.640
log_assets Before 8.793 8.677 0.059 1.893
de_ratio Before 111.152 109.027 0.016 1.547
roa Before 0.047 0.021 0.340 0.754
esg Before 3.594 3.467 0.084 1.636
countryAustria Before 0.068 0.030 0.150 NA
countryBelgium Before 0.000 0.023 −0.176 NA
countryCroatia Before 0.000 0.008 −0.101 NA
countryCzech Republic Before 0.000 0.015 −0.143 NA
countryDenmark Before 0.091 0.030 0.211 NA
countryFinland Before 0.023 0.030 −0.051 NA
countryFrance Before 0.114 0.106 0.024 NA
countryGermany Before 0.091 0.121 −0.105 NA
countryGreat Britain Before 0.068 0.136 −0.271 NA
countryGreece Before 0.023 0.015 0.051 NA
countryHungary Before 0.000 0.008 −0.101 NA
countryIreland Before 0.000 0.008 −0.101 NA
countryItaly Before 0.136 0.091 0.132 NA
countryLithuania Before 0.023 0.000 0.152 NA
countryLuxembourg Before 0.000 0.008 −0.101 NA
countryMarshall Island Before 0.000 0.008 −0.101 NA
countryNetherlands Before 0.023 0.061 −0.254 NA
countryNorway Before 0.091 0.076 0.053 NA
countryPoland Before 0.045 0.015 0.145 NA
countryPortugal Before 0.023 0.008 0.102 NA
countrySpain Before 0.068 0.068 0.000 NA
countrySweden Before 0.068 0.045 0.090 NA
countrySwitzerland Before 0.045 0.091 −0.218 NA
year After 2,018.302 2,016.651 0.798 1.165
bics After 2.419 2.163 0.368 1.725
log_assets After 8.844 8.718 0.064 2.187
de_ratio After 112.363 117.663 −0.039 1.984
roa After 0.047 0.035 0.157 4.047
esg After 3.574 3.432 0.094 1.990
countryAustria After 0.070 0.070 0.000 NA
countryBelgium After 0.000 0.000 0.000 NA
countryCroatia After 0.000 0.000 0.000 NA
countryCzech Republic After 0.000 0.000 0.000 NA
countryDenmark After 0.093 0.093 0.000 NA
countryFinland After 0.023 0.023 0.000 NA
countryFrance After 0.116 0.116 0.000 NA
countryGermany After 0.093 0.093 0.000 NA
countryGreat Britain After 0.070 0.070 0.000 NA
countryGreece After 0.023 0.023 0.000 NA
countryHungary After 0.000 0.000 0.000 NA
countryIreland After 0.000 0.000 0.000 NA
countryItaly After 0.140 0.140 0.000 NA
countryLithuania After 0.000 0.000 0.000 NA
countryLuxembourg After 0.000 0.000 0.000 NA
countryMarshall Island After 0.000 0.000 0.000 NA
countryNetherlands After 0.023 0.023 0.000 NA
countryNorway After 0.093 0.093 0.000 NA
countryPoland After 0.047 0.047 0.000 NA
countryPortugal After 0.023 0.023 0.000 NA
countrySpain After 0.070 0.070 0.000 NA
countrySweden After 0.070 0.070 0.000 NA
countrySwitzerland After 0.047 0.047 0.000 NA
Note: “Before” refers to the full sample; “After” to the matched sample.