Table 5 Identification of mechanisms of “Digital China” strategy affecting urban innovation: Upgrading of industrial structure.

From: Digital economy and urban innovation level: A quasi-natural experiment from the strategy of “Digital China”

Variable

(1)

(2)

(3)

 

Urban innovation

Ins

Urban innovation

DID

2.323** (0.950)

0.025** (0.013)

1.819*** (0.774)

ins

  

3.237*** (1.071)

Control variable

YES

YES

YES

N

3123

3123

3123

R-squared

0.242

0.721

0.679

Urban Effect

YES

YES

YES

Time Effect

YES

YES

YES

  1. **, and *** indicate significance at the 10%, 5%, and 1% levels, respectively, with robustness standard errors in parentheses below.
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