Table 3 Robust test results.

From: Impact of environmental performance on intelligent transformation in Chinese manufacturing enterprises

Dependent variable IT

(1) Replace explanatory variable

(2) Remove 1% maximum and minimum values

(3) Remove 5% maximum and minimum values

L. IT

0.679***

0.560***

0.614**

EP

 

0.0334*

0.0168*

lnEPInvest

0.564**

  

Size

-0.262

1.179**

0.003

Lnage

-1.936

-8.011*

0.291

Leverage

100.5

37.18

-72.38*

ROA

2.047

1.397**

5.035

Growth

-15.09***

-12.39*

2.118

Duality

-8.031

-27.45

-2.111

Board

6.035

1.563*

9.579

Soe

-0.653

0.277

-0.235

Top1

-17.27

-88.73**

-12.20

TobinQ

0.195*

0.0289

-0.120

HHI

2.692

4.835*

0.753

_cons

15.60

42.59*

1.987

observation

22,636

22,636

22,636

AR(1)

0.056

0.001

0.001

AR(2)

0.688

0.892

0.410

Hansen test

0.646

0.360

0.818

  1. The values in parentheses represent the corresponding t values for each coefficient.
  2. ***, **, and * indicate significance at the 0.01, 0.05, and 0.1 levels, respectively. The same convention applies to the following tables.