变量

SAR

SEM

SDM

Digi

0.018***

0.021***

0.017**

(2.71)

(3.21)

(2.54)

lnpgdp

0.253***

0.281***

0.259***

(2.88)

(3.44)

(2.65)

fdi

0.007***

0.009***

0.009***

(5.02)

(5.49)

(6.38)

edu

−0.009

−0.008

−0.004

(−1.19)

(−1.14)

(−0.50)

gov

−0.002*

−0.002*

−0.001

(−1.76)

(−1.69)

(−1.08)

ρ

0.532**

0.526**

(2.15)

(2.27)

λ

0.537**

(2.04)

W*Digi

0.028**

(0.94)

W*lnpgdp

0.249*

(0.50)

W*fdi

0.026***

(3.67)

W*edu

0.018

(0.32)

W*gov

0.004

area

YES

YES

YES

year

YES

YES

YES

σ²

0.001***

0.001***

0.001***

(12.23)

(12.09)

(12.28)

R²

0.778

0.784

0.787

Log-L

692.532

694.629

709.790

N

300

300

300.000