Table 6 PSM-DID model.

From: Do digitalization policies promote enterprise innovation? The logic of cost heterogeneity of enterprises

 

Fractional Logit

PSM-DID

(1)

(2)

(3)

treat

Inno_apply

Inno_cite

PSM-DID

 

1.019**

0.768***

 

(2.22)

(2.78)

Asset

0.656***

  

(9.28)

  

Human

0.00651***

  

(7.11)

  

Size

0.0901***

  

(6.25)

  

Edu

0.182**

  

(2.51)

  

Top1

−0.257**

  

(−2.04)

  

EquityNature

−0.208***

  

(−4.75)

  

AIC

0.9467

  

Controls

 

Y

Y

Fixed Effects

Y

Y

Y

N

14161

13436

11588

within R-square

 

0.0133

0.0378

  1. Note: ***, **, * denote significant at the 1%, 5%, and 10% levels, respectively, with robust t-statistics in parentheses; subsequent regression results for control variables are omitted and can be requested by contacting the authors.
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