Table 9 Mechanism synergy effect test regression results II.

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

Variable

NQP

NQP

NQP

NQP

TII

0.0059***

0.005***

0.463**

0.316**

(5.59)

(5.18)

(2.18)

(2.35)

sp

-0.0002

   

(-0.07)

sd

 

0.0009

  

(0.26)

Soft

  

0.0957

 

(0.10)

Hard

   

0.655***

(2.89)

Innov

0.0026

0.0032*

0.005***

0.0052***

(1.40)

(1.68)

(2.58)

(2.69)

DID

-0.0065

-0.0048

0.0066

0.0071

(-0.86)

(-0.64)

(0.89)

(0.94)

size

-0.0103

-0.0086

-0.0072

-0.0067

(-1.11)

(-0.94)

(-0.79)

(-0.73)

sale

0.0125*

0.0121*

0.0129**

0.0127*

(1.94)

(1.86)

(1.98)

(1.96)

cflow

0.115***

0.116***

0.118***

0.115***

(4.74)

(4.81)

(4.90)

(4.77)

age

0.0597*

0.0668*

0.0669*

0.0710*

(1.65)

(1.82)

(1.82)

(1.91)

growth

-0.001

-0.001

-0.001

-0.001

(-0.56)

(-0.53)

(-0.56)

(-0.55)

top10

0.0001

0.00007

0.00001

0.000002

(0.41)

(0.28)

(0.06)

(0.01)

roa

-0.168***

-0.175***

-0.168***

-0.175***

(-5.69)

(-5.93)

(-5.70)

(-5.93)

lev

-0.0203

-0.0226

-0.0221

-0.0227

(-0.93)

(-1.03)

(-1.00)

(-1.03)

_cons

0.260

0.213

0.163

0.143

(1.48)

(1.21)

(0.91)

(0.80)

Firm

YES

YES

YES

YES

Year

YES

YES

YES

YES

N

21,732

21,732

21,732

21,732

r2

0.750

0.749

0.748

0.748