GF

0.039^**

0.041^**

0.041^**

0.047^***

0.044^**

0.042^**

(2.27)

(2.39)

(2.39)

(2.73)

(2.55)

(2.51)

GOV

−0.083^***

−0.083^***

−0.062^**

−0.054^**

−0.047^*

(−3.36)

(−3.34)

(−2.41)

(−2.05)

(−1.84)

UR

0.005

−0.010

0.003

0.025

(0.19)

(−0.36)

(0.10)

(0.90)

lnPGDP

0.022^***

0.014

0.024^**

(2.65)

(1.59)

(2.59)

IND

0.058^*

0.040

(1.92)

(1.33)

HUM

1.351^***

(3.70)

常数项

0.083^***

0.099^***

0.097^***

−0.117

−0.074

−0.152^*

(18.02)

(15.07)

(6.45)

(−1.43)

(−0.87)

(−1.77)

观测值

390

390

390

390

390

390

R²

0.768

0.776

0.776

0.780

0.782

0.791

观测城市数量

30

30

30

30

30

30

修正R²

0.740

0.748

0.747

0.751

0.753

0.762