变数 | 匹配前/后 | 实验组 | 控制组 | 差异% | t | P值 |
Size | U | 23.275 | 21.921 | 106.1 | 39.33 | 0 |
| M | 23.275 | 23.269 | 0.5 | 0.13 | 0.894 |
Leverage | U | 0.51214 | 0.4533 | 29.1 | 9.71 | 0 |
| M | 0.51214 | 0.51194 | 0.1 | 0.03 | 0.979 |
Sale | U | 0.72262 | 0.66705 | 11.7 | 4.05 | 0 |
| M | 0.72262 | 0.75436 | −6.7 | −1.6 | 0.111 |
Herf3 | U | 0.21159 | 0.1704 | 29.5 | 11.14 | 0 |
| M | 0.21159 | 0.21081 | 0.6 | 0.13 | 0.893 |
Tradable share | U | 0.17662 | 0.23967 | −23.7 | −7.92 | 0 |
| M | 0.17662 | 0.17022 | 2.4 | 0.67 | 0.502 |
Largest holder rate | U | 40.154 | 36.186 | 24 | 8.72 | 0 |
| M | 40.154 | 39.941 | 1.3 | 0.32 | 0.747 |