变量

(1)

(2)

ln_GPCP

10.998^***

11.063^***

(4.48)

(4.45)

ln_GPE

1.111

(0.48)

Constant

−48.454^*

−63.093

(−1.92)

(−1.43)

Observations

206

206

R-squared

0.117

0.118

Ftest

1.24e-05

5.21e-05

r2_a

0.112

0.109

F

20.07

10.36