Table 4 Endogeneity test results.
From: The impact of China’s artificial intelligence development on urban energy efficiency
Model | (1) | (2) | (3) | (4) |
|---|---|---|---|---|
DV | AIt | EEt | AIt | EEt |
IV1 | 0.978*** | |||
(224.806) | ||||
IV2 | 0.584*** | |||
(11.318) | ||||
AI | 0.051*** | 0.049*** | ||
(19.278) | (7.997) | |||
Control | YES | YES | YES | YES |
Industry FE | YES | YES | YES | YES |
Year FE | YES | YES | YES | YES |
N | 3895 | 3895 | 3895 | 3895 |
R2 | 0.269 | 0.269 | ||
F | 50537.522 | 172.801 | 128.099 | 121.609 |
C-D Wald F | 102617.616 | 849.228 | ||
K-P LM | 1070.288 | 350.629 | ||
K-P LM P-val | 0.000 | 0.000 |
