Table 3 Correlation analysis of various variables.

From: Environmental regulations, green innovation and intelligent upgrading of manufacturing enterprises: evidence from China

Variable

INU

ER

GI

ED

ES

BA

AL

INU

1

      

ER

0.301***

1

     

GI

0.297***

0.235**

1

    

ED

0.193**

0.167*

0.117

1

   

ES

0.032

0.192**

0.127

0.037

1

  

BA

0.154*

0.101

0.102

− 0.046

0.021

1

 

AL

0.126

− 0.028

0.091

0.089*

0.013

− 0.034

1

  1. ***, ** and * respectively indicate that the parameter estimation is significant at the levels of 0.01, 0.05 and 0.1.
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