|
| (1) | (2) | (3) | (4) |
| VARIABLES | FC | Comp | FC | FC |
| Depth | −0.166*** | 0.0729*** |
| −0.147*** |
|
| (0.00511) | (0.00521) |
| (0.00431) |
| Comp |
|
| −0.393*** | −0.257*** |
|
|
|
| (0.0177) | (0.0111) |
| Controls | 控制 | 控制 | 控制 | 控制 |
| Observations | 5098 | 5098 | 5098 | 5098 |
| R-squared | 0.992 | 0.309 | 0.988 | 0.993 |
| Number of id | 949 | 949 | 949 | 949 |