变量

模型(3)

模型(5)

LnAGDP

−2.433661***

−2.364084***

(−6.26)

(−7.59)

Secondary

5.400831***

4.073388***

(14.50)

(20.56)

Urban

1.016916***

1.179179***

(3.46)

(3.18)

FDI

−7.855416***

−8.239348***

(−6.37)

(−5.06)

Price

−1.128625*

−1.224363**

(−1.88)

(−2.31)

Lnpatent

−1.297052***

(−5.75)

Lnpatent²

0.1001671 ***

(5.26)

Lntechpop

−2.097155***

(−3.24)

Lntechpop²

0.1156824***

(3.95)

Policy1

−0.9594296***

−1.015435***

(−5.89)

(−6.13)

Policy3

0.5820495***

0.6570353***

(2.67)

(3.07)

R²

0.8285

0.8188

F值

5365.05(0.0000)

3101.93(0.0000)