Table 10 Suitability test for the spatial durbin model.

From: Research on digital infrastructure construction empowering new quality productivity

Variable

Geographic distance matrix

Economic distance matrix

Direct effect

Indirect effect

Total effect

Direct effect

Indirect effect

Total effect

DI

−0.081

(0.258)

1.553***

(0.402)

1.473***

(0.398)

0.041

(0.252)

0.976***

(0.159)

1.016***

(0.256)

FDL

0.001***

(0.000)

0.001**

(0.001)

0.002**

(0.001)

0.002***

(0.001)

0.001**

(0.000)

0.002***

(0.001)

ID

−0.000*

(0.000)

−0.000*

(0.000)

−0.001*

(0.000)

−0.001***

(0.000)

−0.000**

(0.000)

−0.001***

(0.000)

GI

−0.007

(0.005)

−0.011

(0.007)

−0.018

(0.012)

0.009*

(0.005)

0.003*

(0.002)

0.012*

(0.007)

ρ

0.579***

(0.051)

0.257***

(0.045)

Observations

2760

2760

  1. DI digital infrastructure, FDL financial development level, ID infrastructure development, GI government intervention. T values are reported in parentheses; *(10%), **(5%), and ***(1%) indicate significance at the corresponding level.
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