Dependent Variable

Sample

Test

Statistic

Pr > χ2

Variables

TI_CPI

Full

White’s Test

56.55

<0.0001

Cross of all variables

Breusch-Pagan

14.33

0.0136

1, Eco_stage, Institutions, Press_freedom, ELF, HDI

WB_bribery1

Full

White’s Test

22.48

0.3149

Cross of all variables

Breusch-Pagan

12.95

0.0238

1, Eco_stage, Institutions, Press_freedom, ELF, HDI

WB_bribery2

Full

White’s Test

39.67

0.0055

Cross of all variables

Breusch-Pagan

29.16

<0.0001

1, Eco_stage, Institutions, Press_freedom, ELF, HDI