| VARIABLES | (1) | (2) | (3) | (4) |
| rd | rd | rd | rd | |
| ff | 0.0037*** | 0.0393*** | 0.0383*** | 0.0202*** |
|
| (0.0013) | (0.0028) | (0.0028) | (0.0024) |
| lev |
| −0.0391*** | −0.0387*** | −0.0136*** |
|
|
| (0.0029) | (0.0029) | (0.0025) |
| growth |
| 0.0020*** | 0.0023*** | −0.0000 |
|
|
| (0.0005) | (0.0005) | (0.0004) |
| roa |
| 0.0084* | 0.0111** | 0.0260*** |
|
|
| (0.0047) | (0.0047) | (0.0043) |
| board |
| −0.0002 | −0.0002 | 0.0001 |
|
|
| (0.0002) | (0.0002) | (0.0002) |
| dir |
| 0.0132** | 0.0129** | 0.0076* |
|
|
| (0.0052) | (0.0052) | (0.0044) |
| top5 |
| −0.0187*** | −0.0181*** | −0.0054*** |
|
|
| (0.0016) | (0.0016) | (0.0014) |
| nature |
| 0.0025*** | 0.0026*** | −0.0001 |
|
|
| (0.0006) | (0.0006) | (0.0005) |
| Ind | No | No | Yes | Yes |
| Year | No | No | No | Yes |
| Constant | 0.0210*** | 0.0199*** | 0.0186*** | −0.0009 |
|
| (0.0008) | (0.0034) | (0.0034) | (0.0032) |
| Observations | 5826 | 5826 | 5826 | 5826 |
| R-squared | 0.001 | 0.086 | 0.094 | 0.357 |