东部

中部

西部

变量

Hqd

Hqd

Hqd

Digi

0.014***

0.311***

0.179***

(0.00)

(0.06)

(0.03)

lnpgdp

0.051

0.323**

−0.028

(0.16)

(0.12)

(0.11)

fdi

0.003

0.007***

−0.008***

(0.00)

(0.00)

(0.00)

edu

−0.035***

−0.012

0.006*

(0.01)

(0.01)

(0.00)

gov

0.001

−0.002

−0.003*

(0.00)

(0.00)

(0.00)

Constant

0.568

−1.061

0.447

(0.87)

(0.59)

(0.54)

Observations

110

80

110

R-squared

0.838

0.958

0.871

Number of groups

11

8

11

area

YES

YES

YES

year

YES

YES

YES

F

6110

1183

31.93