Table 4 Results of the time placebo test
(1) | (2) | |
|---|---|---|
Carbon emission trading pilot policy (Policy) | 0.622 | 1.658 |
Population density | 0.120 | 1.067** |
The level of economic development | − 1.335* | − 6.728** |
Human capital | − 1.151** | − 4.527* |
Infrastructure | − 0.485 | − 1.140 |
Government expenditure on science and technology | 0.167 | 0.956* |
Cons | 19.608** | 77.590** |
Year | Yes | Yes |
City | Yes | Yes |
R-squared | 0.162 | 0.023 |
N | 3288 | 3288 |