1

2

3

4

5

Cognitive Ability

0.057***

0.029***

0.035***

0.026***

0.035***

(0.006)

(0.007)

(0.008)

(0.007)

(0.011)

Institution

0.318***

0.288***

0.165***

0.097**

(0.044)

(0.057)

(0.048)

(0.041)

Democracy

0.061

0.076

−0.322

(0.191)

(0.176)

(0.217)

Hinc revenu

1.076***

0.851***

(0.223)

(0.224)

Communist

−0.818***

(0.203)

Africa

−1.127***

(0.405)

Americas

−0.333

(0.312)

Asia

−1.045***

(0.368)

Europa

−0.250

(0.287)

Oceania

(dropped)

_cons

0.758

3.022***

2.461***

2.982***

3.348***

(0.514)

(0.571)

(0.677)

(0.506)

(1.022)

Number of observations

126

120

103

103

80

R2

0.432

0.672

0.707

0.770

0.843