Table 7 Regression results based on 2SLS endogeneity test.
From: Study on the influence of new quality productivity on carbon emissions of the manufacturing industry
Variable | New | New2 | MCE |
|---|---|---|---|
First | First | Second | |
(4) | (5) | (6) | |
IV | 6.4816*** (23.85) | 11.3648*** (37.92) | Â |
New | Â | Â | 6.2539*** (16.74) |
New2 |  |  | − 0.3847*** (− 10.82) |
_cons | 6.8229*** (14.37) | 10.6825*** (13.71) | 5.1217*** (9.38) |
Wald test (Chi-square test /p-value) | 16.21 (0.0028) | Â | Â |
N | 330 | 330 | 330 |
Controls | YES | YES | YES |
τi /μt | YES | YES | YES |
Adj-R2 | Â | Â | 0.962 |