Table 3 Dynamic effect test.

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

Variable

NQP

d_5

0.0171

(1.01)

d_4

0.0157

(1.27)

d_3

0.0086

(1.04)

d_2

0.004

(0.64)

d_1

-0.0032

(-0.81)

d1

0.0148***

(3.07)

d2

0.0149**

(2.47)

d3

0.0183***

(2.60)

d4

0.0239***

(3.01)

d5

0.0228***

(2.65)

d6

0.0184*

(1.94)

d7

0.0143

(1.48)

d8

-0.0015

(-0.14)

d9

-0.0578***

(-5.43)

controls

YES

_cons

-0.201

(-1.49)

Firm

YES

Year

YES

N

29,290

r2

0.721

  1. (Note: * * *, * * and * represent t, the significance levels of 1%, 5% and 10% respectively, and the values in brackets are the values of statistics. The same below.)
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