Table 9
Heterogeneity tests at the regional level.
| EC |
CWC |
High-CLI |
Low-CLI |
|
|---|---|---|---|---|
| (1) |
(2) |
(3) |
(4) |
|
| carbon1 | carbon1 | carbon1 | carbon1 | |
| AI | −0.0003*** | −0.0008*** | −0.0003*** | −0.0007*** |
| (0.000) | (0.000) | (0.000) | (0.000) | |
| CV | YES | YES | YES | YES |
| FE | YES | YES | YES | YES |
| N | 21486 | 9401 | 15201 | 15574 |
| R2 | 0.3683 | 0.2781 | 0.3423 | 0.3631 |
Note: *, **, and ***denote statistical significance at the 10%, 5%, and 1% levels, respectively. CV stands for “Control Variables.” The analysis results indicate significant differences among the groups.
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