| 变量 | ratio | ||
| (1) | (2) | (3) | |
| C | 1.406*** (0.198) | 1.368*** (0.198) | 1.298*** (0.2) |
| dlnAMW | −0.014** (0.006) |
| −0.001 (0.005) |
| lnAMW(-1) | −0.025*** (0.006) | −0.019*** (0.005) |
|
| 控制变量 | 是 | 是 | 是 |
| 观察值 | 433 | 433 | 433 |
| R2 | 0.364 | 0.362 | 0.362 |
| F值 | 15.669 | 16.564 | 14.727 |
| P值 | 0.000 | 0.000 | 0.000 |