变量 | 样本量 | 平均值 | 标准差 | 最小值 | 最大值 |
lnRD | 561 | 18.735 | 1.603 | 15.087 | 22.617 |
lnSub | 561 | 15.887 | 2.439 | 8.077 | 20.405 |
Roe | 561 | 0.099 | 0.066 | −0.038 | 0.308 |
Size | 561 | 22.482 | 1.375 | 19.951 | 25.607 |
Top1 | 561 | 38.941 | 15.972 | 8.110 | 74.300 |
DPR | 561 | 6.568 | 8.701 | −0.000 | 35.023 |
F_leve | 561 | 1.303 | 0.733 | 0.563 | 6.186 |
O_leve | 561 | 1.795 | 1.055 | 1.054 | 7.246 |
HHI_A | 561 | 0.386 | 0.054 | 0.217 | 0.462 |