Table 6 Robustness test results.
From: Integration and innovation of China’s manufacturing and logistics industries and carbon emissions
Variable | Replacing the dependent variable (1) | Excluding energy provinces (2) |
|---|---|---|
IIML | 3.881 (1.57) | 0.048*** (3.14) |
(IIML)2 | −4.881* (−1.89) | −0.032* (−2.49) |
Control variable | Yes | Yes |
Constant term | 13.665* (1.69) | 0.127*** (3.00) |
Provincial fixed effect | Yes | Yes |
Year fixed effect | Yes | Yes |
N | 240 | 192 |
Prob > F | 0.0000*** | 0.0000*** |
Adj-R2 | 0.9775 | 0.9717 |
