变量 | Unmatched Or Matched | 均值 | 标准偏差(%) | 标准偏差减少幅度 | 统计检验 | ||
Treated | Control | T-value | P-value | ||||
Size | U | 24.319 | 23.237 | 87.3 |
| 19.02 | 0.000 |
M | 24.179 | 24.22 | −3.3 | 96.2 | −0.71 | 0.480 | |
Fassets | U | 0.2220 | 0.1992 | 11.7 |
| 2.55 | 0.011 |
M | 0.2238 | 0.2321 | −4.3 | 63.3 | −0.83 | 0.405 | |
Cash | U | 0.1119 | 0.1196 | −10.3 |
| −2.25 | 0.025 |
M | 0.1120 | 0.1103 | 2.2 | 78.7 | 0.50 | 0.619 | |
Ret | U | 0.1239 | 0.1268 | −0.6 |
| −0.12 | 0.902 |
M | 0.1123 | 0.1289 | −3.2 | −463.8 | −0.75 | 0.455 | |
Current | U | 1.2830 | 1.6094 | −37.2 |
| −8.10 | 0.000 |
M | 1.2953 | 1.2452 | 5.7 | 84.6 | 1.60 | 0.111 | |
Indep | U | 0.3842 | 0.3753 | 14.8 |
| 3.23 | 0.001 |
M | 0.3816 | 0.3854 | −6.3 | 57.4 | −1.26 | 0.207 |