Table 18 The moderating effects of ST.
From: Integration and innovation of China’s manufacturing and logistics industries and carbon emissions
Variable | Dependent variable: RCE | ||
|---|---|---|---|
Full sample | Partial sample: higher than UR mean | Partial sample: not higher than UR mean | |
(1) | (2) | (3) | |
IIML | 0.2073 (0.17) | 4.9492** (2.15) | 4.1474 (1.70) |
(IIML)2 | −0.1324 (−0.11) | −3.8678* (−2.09) | −5.1834 (−1.67) |
ST | −0.0125 (−0.28) | 0.3385* (1.98) | 0.1182 (1.45) |
IIML×ST | −0.0371 (−0.13) | −1.1698** (−2.16) | −0.9656 (−1.68) |
(IIML)2×ST | 0.0238 (0.08) | 0.9128* (2.10) | 1.2157 (1.66) |
Constant term | 0.0253 (0.09) | 0.9748* (1.82) | 0.3889 (0.94) |
Control variable | Yes | Yes | Yes |
Provincial fixed effect | Yes | Yes | Yes |
Year fixed effect | Yes | Yes | Yes |
N | 240 | 100 | 140 |
Adj-R2 | 0.9925 | 0.9940 | 0.9932 |