Table 7 Mechanism test regression results.

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

Variable

NQP

NQP

NQP

NQP

NQP

did*RV

0.0292***

0.0261***

3.022***

0.914**

0.0148***

(6.60)

(5.66)

(4.36)

(2.08)

(5.88)

RV

-0.0032

-0.0054

-0.233

0.489**

-0.0023

(-0.85)

(-1.42)

(-0.41)

(1.98)

(-1.03)

did

-0.0087

-0.006

0.0077

0.0111*

-0.0305***

(-1.35)

(-0.93)

(1.26)

(1.73)

(-2.83)

size

-0.0067

-0.0049

-0.0042

-0.0034

-0.0018

(-0.87)

(-0.63)

(-0.56)

(-0.44)

(-0.19)

sale

0.0141**

0.0143**

0.0153***

0.0154***

0.0130*

(2.45)

(2.47)

(2.64)

(2.66)

(1.79)

cflow

0.124***

0.123***

0.126***

0.123***

0.138***

(5.92)

(5.85)

(6.04)

(5.86)

(5.87)

age

0.0746***

0.0815***

0.0823***

0.0834***

0.0607

(2.79)

(3.00)

(3.07)

(3.04)

(1.63)

growth

-0.0002

-0.0002

-0.0003

-0.0002

-0.001

(-0.15)

(-0.16)

(-0.18)

(-0.14)

(-0.76)

top10

-0.0007***

-0.0008***

-0.0008***

-0.0009***

0.00006

(-3.35)

(-3.58)

(-3.79)

(-4.04)

(0.24)

roa

-0.197***

-0.202***

-0.191***

-0.206***

-0.173***

(-6.99)

(-7.13)

(-6.79)

(-7.28)

(-5.85)

lev

0.0230

0.0227

0.0241

0.0246

-0.0218

(1.21)

(1.19)

(1.26)

(1.29)

(-0.98)

_cons

0.140

0.0812

0.0437

0.0212

0.0711

(1.03)

(0.59)

(0.32)

(0.15)

(0.41)

Firm

YES

YES

YES

YES

YES

Year

YES

YES

YES

YES

YES

N

27,211

27,211

27,211

27,211

23,462

r2

0.737

0.736

0.736

0.735

0.733