变量

估算方法

考虑交互项的固定效应模型

不考虑交互项的固定效应模型

LnAGDP

−2.514938***

−2.508155***

(−6.28)

(−6.34)

Secondary

6.465617***

6.499804***

(16.34)

(17.11)

Tertiary

1.300427

1.359807

(1.38)

(1.54)

Coal

0.6427162*

0.6624017*

(1.74)

(1.80)

Urban

1.06792***

1.078379***

(4.80)

(4.78)

FDI

−8.178723***

−8.2411***

(−6.49)

(−6.73)

Price

1.502106**

−1.192187**

(2.06)

(−2.41)

Lnpatent

−1.230072***

−1.270765***

(−4.34)

(−4.37)

Lnpatent²

0.0957779***

0.0969587***

(4.52)

(4.42)

PriceLnpatent

−0.3699582***

(−5.04)

Policy1

−0.9777052***

−0.9934648***

(−5.49)

(−5.53)

Policy2

−0.0381447

−0.044679

(−0.39)

(−0.47)

Policy3

0.6078824***

0.5929213***

(3.11)

(3.15)

Policy4

0.1256031*

0.1183254*

(1.93)

(1.88)

R²

0.8272

0.8264

F值

7880.83(0.0000)

7829.74(0.0000)