变量

未剔除不显著变量时的估算结果

(原模型)

剔除不显著变量后的估算结果

(分解模型)

LnAGDP

−2.508155***

−2.433661***

(−6.34)

(−6.26)

Secondary

6.499804***

5.400831***

(17.11)

(14.50)

Urban

1.078379***

1.016916***

(4.78)

(3.46)

FDI

−8.2411***

−7.855416***

(−6.73)

(−6.37)

Price

−1.192187**

−1.128625*

(−2.41)

(−1.88)

Lnpatent

−1.270765***

−1.297052***

(−4.37)

(−5.75)

Lnpatent²

0.0969587***

0.1001671 ***

(4.42)

(5.26)

Policy1

−0.9934648***

−0.9594296***

(−5.53)

(−5.89)

Policy3

0.5929213***

0.5820495***

(3.15)

(2.67)

R²

0.8264

0.8285

F值

7829.74(0.0000)

5365.05(0.0000)