| OLS | FE | FE | RE |
| CO2 | CO2 | CO2 | CO2 |
GF | 0.261 | 0.128 | 1.018*** | 0.126 |
| (0.334) | (0.089) | (0.269) | (0.089) |
GI | 0.174*** | 0.027* | 0.031* | 0.038** |
| (0.032) | (0.016) | (0.016) | (0.015) |
IS | 1.287*** | 0.558*** | 0.530*** | 0.561*** |
| (0.205) | (0.079) | (0.078) | (0.078) |
GDP | −0.221*** | −0.288*** | −0.274*** | −0.267*** |
| (0.050) | (0.047) | (0.046) | (0.043) |
URB | 1.728*** | 1.463*** | 1.516*** | 1.455*** |
| (0.418) | (0.306) | (0.301) | (0.296) |
ERS | 1.915*** | 0.798*** | 0.796*** | 0.815*** |
| (0.350) | (0.136) | (0.133) | (0.135) |
GF2 |
|
| −1.231*** |
|
|
|
| (0.351) |
|
_cons | 4.799*** | 9.702*** | 9.479*** | 9.421*** |
| (0.784) | (0.542) | (0.536) | (0.525) |
N | 330.000 | 330.000 | 330.000 | 330.000 |
r2 | 0.331 | 0.521 | 0.541 |
|
r2_a | 0.319 | 0.464 | 0.484 |
|