| 变量 | 均值 | 标准差 | 最小值 | 最大值 |
| tobinq | 0.17 | 0.17 | 0.01 | 1.02 |
| roa | 0.05 | 0.06 | −0.1 | 0.23 |
| eo | 2.76 | 1.72 | 0.92 | 1.23 |
| slack | 1.73 | 1.89 | 0.35 | 11.85 |
| mstock | 5.3 | 1.71 | 0 | 49.17 |
| share | 53.2 | 14.61 | 19.94 | 86.28 |
| fsize | 21.85 | 0.95 | 19.87 | 24.34 |
| fage | 9.08 | 5.25 | 1 | 25 |
| debt | 0.4 | 0.18 | 0.05 | 0.8 |
| dual | 0.31 | 0.46 | 0 | 1 |
| indera | 0.37 | 0.05 | 0.33 | 0.57 |