| 变量 | Life1 | Life2 | Life3 |
| DA | DA | DA | |
| Pay | −0.028 | 0.006 | 0.020* |
|
| (0.004) | (0.002) | (0.002) |
| ROA | 0.401*** | 0.463*** | 0.476*** |
|
| (0.028) | (0.014) | (0.013) |
| Size | 0.005 | 0.002 | 0.005*** |
|
| (0.002) | (0.001) | (0.001) |
| State | 0.003 | 0.004 | 0.002 |
|
| (0.007) | (0.003) | (0.003) |
| _cons | 0.098 | 0.094** | 0.006 |
|
| (0.060) | (0.032) | (0.029) |
| N | 3367 | 4669 | 7238 |