Table 7 IV regression results.

From: Intelligentization helps the green and energy-saving transformation of power industry-evidence from substation engineering in China

 

Phase I

Phase II

IV-OLS

project Intelligence

project Greening

project Intelligence

 

4.836***

 

(1.326)

Regional Digital Index

6.836***

 

(0.846)

 

control variable

Y

Y

area fixed effect

Y

Y

time fixed effect

Y

Y

R2

0.738

0.746

N

2642

2642

Kleibergen-Paap rk LM statistic

83.847***

 

Cragg-Donald Wald F-statistic

74.649***

 
  1. Control variables include project investment scale, project construction period, and project construction type (followed below).
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