| 解释变量 | 被解释变量return |
| Sent * D | 0.0072*** |
|
| (4.74) |
| Sent * (1-D) | −0.0044*** |
|
| (−3.07) |
| shr index | 0.0223** |
|
| (2.11) |
| size | −0.0110*** |
|
| (−4.98) |
| family size | −0.0061 |
|
| (−0.57) |
| std | −0.0334*** |
|
| (−2.79) |
| fee | −0.0005 |
|
| (−1.64) |
| age | 0.0199 |
|
| (1.50) |
| Constant | −0.0542 |
|
| (−0.55) |
| 固定效应 | YES |
| Observations | 1796 |
| R-squared | 0.0972 |