(7)

(8)

(9)

(10)

(11)

(12)

变量

lnGMP

lnGMP

lnGMP

lnGMP

lnGMP

lnGMP

lnperson

0.435^***

(4.29)

lnnumber

0.752^***

(6.95)

lnfund

0.205^**

(2.29)

lncredit

0.703^***

(9.76)

lnpatent

0.239^***

(3.58)

lnpaper

0.340^***

(3.35)

lnGNP

0.704^***

0.577^***

0.492^*

−0.078

0.496^*

0.812^***

(2.88)

(2.92)

(1.86)

(−0.46)

(2.01)

(2.96)

lnOL

0.004

0.125^*

0.151

0.150^**

0.065

0.042

(0.04)

(1.70)

(1.29)

(2.57)

(0.59)

(0.35)

SI

0.020

0.030^**

0.037^**

0.039^***

0.041^***

0.027^*

(1.31)

(2.67)

(2.34)

(4.24)

(2.95)

(1.73)

TI

0.014

0.023^*

0.028

0.044^***

0.042^**

0.026

(0.80)

(1.70)

(1.46)

(4.12)

(2.53)

(1.45)

Observations

55

55

55

55

55

55

R-squared

0.773

0.843

0.718

0.894

0.752

0.746