Variable

OLS

FE

RE

MLE

LnERD

1.162***

(0.175)

1.079***

(0.196)

1.162***

(0.175)

1.166***

(0.171)

LnGRD

−0.242**

(0.102)

−0.0654

(0.140)

−0.242**

(0.102)

−0.245**

(0.103)

LnL

0.191

(0.121)

0.110

(0.138)

0.191

(0.121)

0.191

(0.117)

LnFL

−0.0936**

(0.0385)

−0.126***

(0.0426)

−0.0936**

(0.0385)

−0.0928**

(0.0378)

LnOF

0.0261

(0.0290)

0.0158

(0.0304)

0.0261

(0.0290)

0.0262

(0.0280)

Constant

1.448

(0.908)

1.966*

(1.131)

1.448

(0.908)

1.423

(0.903)

R-squared

0.838

F

63.17

Sum of elastic coefficients

1.0435

1.0134

1.0435