解释变量

东部地区

中部地区

西部地区

DIFI

0.008941

−0.041177

−0.173964***

(0.021814)

(0.028148)

(0.062488)

LNURBAN

−1.547681***

−2.482704***

−3.219501***

(0.097399)

(0.199275)

(0.185873)

LNRGDP

0.055433*

0.208328***

0.223394***

(0.029658)

(0.051007)

(0.082057)

OPEN

0.038111

0.50743

0.616213

(0.075472)

(0.344617)

(0.414866)

EDU

−0.021375

−0.003299

−0.007117

(0.014363)

(0.012249)

(0.024982)

IS

−0.025422

−0.039847

−0.861967

(0.284645)

(0.273798)

(0.583606)

LNFE

−0.009129

0.110426**

0.200766***

(0.025022)

(0.046368)

(0.066257)

LNAFE

−0.075629***

−0.002109

−0.088892

(0.0224)

(0.031676)

(0.071055)

C

−0.290497

−2.106059***

−1.970831*

(0.452893)

(0.640866)

(1.036405)

Individual fixed effects

No

Yes

No

Observations

66

48

71

R-squared

0.912071

0.999081

0.960326