OLS

FE_robust

RE_robust

FE

RE

GLS

g

−11.84

10.07

9.216

10.07***

9.216***

−11.83***

(7.129)

(6.946)

(7.340)

(2.480)

(2.517)

(0.169)

g²

1.540*

−0.865

−0.780

−0.865**

−0.780**

1.539***

(0.781)

(0.751)

(0.793)

(0.276)

(0.280)

(0.0185)

g³

−0.0613*

0.0243

0.0218

0.0243*

0.0218*

−0.0613***

(0.0283)

(0.0269)

(0.0283)

(0.0101)

(0.0103)

(0.00067)

_cons

28.08

−36.57

−33.93

−36.57***

−33.93***

28.05***

(21.52)

(21.22)

(22.36)

(7.365)

(7.474)

(0.514)

N

285

285

285

285

285

285

R²

0.793

0.697

0.697