Review Article
The Impacts of Freight Trade on Carbon Emission Efficiency: Evidence from the Countries along the “Belt and Road”
| | Variable | LCTCEI | LITCEI | LGTCEI | LBPR | LTGR | LFDI | | (1d) | (2d) | (3d) | (4d) | (5d) | (6d) |
| | LIFT | 0.0673 | 0.0374 | 0.0262 | 0.0017 | −0.0089 | −0.0155 | | | (0.0059) | (0.0052) | (0.0042) | (0.0045) | (0.0035) | (0.0044) | | LFDI | −0.0664 | −0.0993 | −0.1444 | 0.0361 | −0.0555 | | | | (0.0475) | (0.0418) | (0.0337) | (0.0368) | (0.0281) | | | Constant | 0.5902 | 0.7657 | 0.7890 | 0.8807 | 0.8193 | 0.3172 | | | (0.1138) | (0.1000) | (0.0805) | (0.0880) | (0.0673) | (0.0858) | | Control | Yes | Yes | Yes | Yes | Yes | Yes | | Section | Yes | Yes | Yes | Yes | Yes | Yes | | Year | Yes | Yes | Yes | Yes | Yes | Yes | | N | 800 | 800 | 800 | 800 | 800 | 800 | | R2 | 0.3987 | 0.5993 | 0.6404 | 0.6342 | 0.6433 | 0.5156 |
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The parenthesis are the robust standard error values: , , and . |
