Table 8 The results of the robust test
From: The impact of climate change and environmental regulation on energy poverty: evidence from China
Variable | Group 1 | Group 2 | Group 3 |
|---|---|---|---|
GMM | GMM | GMM | |
CC | 0.455*** | 0.0493** | 0.0025*** |
| Â | (4.64) | (2.07) | (3.83) |
EER | 0.003*** | Â | Â |
| Â | (3.49) | Â | Â |
LER |  | − 0.01537 |  |
|  |  | (− 0.46) |  |
SER |  |  | − 0.0038** |
|  |  |  | (− 2.21) |
CC*EER | − 0.0071*** |  |  |
|  | (− 4.47) |  |  |
CC*LER | Â | 0.0063** | Â |
|  |  | (− 1.70) |  |
CC*SER | Â | Â | 0.0003*** |
| Â | Â | Â | (3.91) |
GDP | − 0.2762 | − 0.3457 | − 0.0842 |
|  | (− 0.12) | (− 1.31) | (− 0.96) |
Urb | − 1.5719** | − 1.0524 | − 0.2289 |
|  | (− 2.07) | (− 0.31) | (− 0.29) |
Geo | − 0.2158* | − 0.2121 | − 2.763 |
|  | (− 1.93) | (− 1.44) | (− 0.77) |
Edu | 4.104** | 3.3688*** | 2.857*** |
| Â | (2.20) | (2.79) | (2.93) |
Popu | 0.0312 | 0.0896 | − 0.2936 |
| Â | (0.60) | (0.72) | (0.22) |
Cons | − 0.384 | − 0.8247 | 3.6842 |
|  | (− 1.44) | (− 0.26) | (0.44) |
Hansen test | 0.935 | 0.912 | 0.941 |
AR (1) | 0.023 | 0.084 | 0.046 |
AR (2) | 0.355 | 0.194 | 0.246 |
Observation | 300 | 300 | 300 |