Table 25 Heterogeneity Test of IIML on RCE in city level.
From: Integration and innovation of China’s manufacturing and logistics industries and carbon emissions
Coefficient | Dependent variable: RCE | |||
|---|---|---|---|---|
Economically developed provinces | Economically underdeveloped provinces | Provinces with a single industrial structure | Provinces with a diversified industrial structure | |
(1) | (2) | (3) | (4) | |
IIML | 0.0091* (1.79) | 0.0903* (1.65) | 0.2651** (2.26) | 0.0539*** (4.02) |
(IIML)2 | −0.0545 (−2.49) | −0.1843** (−2.12) | −0.3403* (−1.79) | −0.1578*** (−5.94) |
Constant term | −0.0422 (−1.21) | 0.0134 (0.78) | −0.0300 (−1.12) | 0.0384** (2.11) |
Control variable | Yes | Yes | Yes | Yes |
fixed effect | Yes | Yes | Yes | Yes |
N | 159 | 2049 | 656 | 1552 |
Adj-R2 | 0.9897 | 0.4984 | 0.5882 | 0.3663 |
