变量 | 样本数 | 均值 | 中位数 | 标准差 | 最小值 | 最大值 |
GTI | 530 | 1.478 | 1.099 | 1.633 | 0 | 6.351 |
GSCM | 530 | 0.335 | 0.324 | 0.185 | 0.024 | 0.881 |
Er | 530 | 40.860 | 35.310 | 29.320 | 0.510 | 141.600 |
Lev | 530 | 0.486 | 0.490 | 0.179 | 0.069 | 0.975 |
SOE | 530 | 0.449 | 0 | 0.498 | 0 | 1 |
ROA | 530 | 0.039 | 0.038 | 0.044 | −0.356 | 0.185 |
IND | 530 | 36.390 | 33.330 | 4.831 | 30.000 | 61.540 |
ListAge | 530 | 2.955 | 2.970 | 0.316 | 2.485 | 3.466 |
Tobinq | 530 | 1.631 | 1.321 | 0.997 | 0.815 | 11.220 |