Table 6 Analysis of endogeneity issue.

From: Effects of intelligent manufacturing on the high-quality development of manufacturing industry: The mediating role of green technology innovation

Variables

First stage

Second stage

IMi, t

TFPi, t

IV

0.242*** (0.0271)

 

IMi, t

 

0.184*** (0.0251)

CN

yes

yes

_cons

5.077*** (0.271)

3.727*** (0.0490)

N

16,895

14,642

R-sq

0.535

0.641

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