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Correlation matrix
| CO2 | RGDP | RGDP2 | EPU | ENU | EPU*ENU | |
|---|---|---|---|---|---|---|
| CO2 | 1.0000 | |||||
| RGDP | 0.9654*** | 1.0000 | ||||
| RGDP2 | −0.1031*** | 0.0513 | 1.0000 | |||
| EPU | 0.0664** | 0.1194*** | 0.1263 | 1.0000 | ||
| ENU | 0.9753* | 0.9733*** | −0.0365 | 0.0906*** | 1.0000 | |
| EPU*ENU | −0.7582 | −0.7263 | 0.0891 | 0.5309 | −0.7669 | 1.0000 |
Notes: The unconditional correlation was estimated using “natural log” data; ***, **, and * show a level of significance 1%, 5%, and 10%, respectively
