Table 4 Benchmark regression results.

From: Digital infrastructure construction and the development of new-quality productive forces in enterprises

Variable

NQP

NQP

NQP

NQP

DID

0.0652***

0.0165***

0.0606***

0.0145**

(22.68)

(2.63)

(20.41)

(2.38)

size

  

0.0336***

0.0004

(12.66)

(0.06)

sale

  

-0.0181***

0.0156**

(-7.21)

(2.44)

cflow

  

0.520***

0.141***

(20.64)

(6.95)

age

  

-0.0244***

0.0997***

(-5.46)

(3.67)

growth

  

-0.0025

-0.0006

(-1.38)

(-0.34)

top10

  

-0.0003***

-0.0009***

(-3.67)

(-3.88)

roa

  

-0.290***

-0.206***

(-10.05)

(-7.32)

lev

  

-0.0946***

0.0238

(-9.45)

(1.25)

_cons

0.451***

0.478***

0.216***

-0.120

(228.51)

(138.68)

(7.32)

(-0.90)

Firm

NO

YES

NO

YES

Year

NO

YES

NO

YES

N

29,290

29,290

29,290

29,290

r2

0.0167

0.714

0.0436

0.719