变量 | 样本数 | 均值 | 中位数 | 标准差 | 最小值 | 最大值 |
CSR | 3463 | 38.711 | 36.646 | 11.518 | 19.750 | 76.436 |
C_top5 | 3463 | 0.267 | 0.210 | 0.200 | 0.008 | 0.985 |
C_hhi | 3463 | 0.041 | 0.011 | 0.083 | 0.00003 | 0.708 |
size | 3463 | 23.012 | 22.861 | 1.403 | 20.431 | 27.079 |
lev | 3463 | 0.478 | 0.494 | 0.200 | 0.069 | 0.876 |
roa | 3463 | 0.044 | 0.037 | 0.055 | −0.168 | 0.204 |
TobinQ | 3463 | 1.845 | 1.471 | 1.093 | 0.840 | 6.894 |
Independent | 3463 | 0.377 | 0.364 | 0.059 | 0.333 | 0.600 |
Board | 3463 | 2.179 | 2.197 | 0.203 | 1.609 | 2.708 |
Dual | 3463 | 0.205 | 0.000 | 0.404 | 0.000 | 1.000 |
balance | 3463 | 0.840 | 0.591 | 0.784 | 0.036 | 3.959 |
share1 | 3463 | 0.364 | 0.350 | 0.159 | 0.078 | 0.748 |