| 变量 | 湖北 | 湖南 | 河南 | |||
| Inno (1) | Inno (2) | Inno (3) | Inno (4) | Inno (5) | Inno (6) | |
| Hp | 0.281*** | 0.174*** | −0.134 | −0.0776 | −0.0365 | −0.0371* |
|
| (4.19) | (3.62) | (−0.91) | (−0.54) | (−1.55) | (−1.67) |
| Pop | 20.86*** | 18.03*** | 21.37*** | 16.54*** | 2.979*** | 2.366*** |
|
| (6.88) | (8.43) | (12.64) | (6.96) | (10.00) | (7.48) |
| Hp * Pop | — | 0.000782*** | — | 0.000627*** | — | 0.000107*** |
|
|
| (9.81) |
| (2.81) |
| (4.20) |
| 控制变量 | YES | YES | YES | YES | YES | YES |
| 时间固定 | YES | YES | YES | YES | YES | YES |
| 城市固定 | YES | YES | YES | YES | YES | YES |
| 样本量 | 120 | 120 | 130 | 130 | 170 | 170 |
| R2 | 0.980 | 0.991 | 0.977 | 0.978 | 0.956 | 0.961 |