| 变量 | 样本数 | 均值 | 标准差 | 最小值 | 最大值 |
国有企业 | FP | 100 | 0.995 | 0.605 | −0.307 | 3.218 |
RDE | 100 | 0.819 | 0.160 | 0.221 | 1 | |
SIZE | 100 | 22.06 | 0.731 | 20.77 | 23.96 | |
IDR | 100 | 0.364 | 0.0427 | 0.300 | 0.500 | |
DUAL | 100 | 0.120 | 0.327 | 0 | 1 | |
TOP10 | 100 | 49.59 | 11.72 | 27.73 | 79.66 | |
LEV | 100 | 0.384 | 0.160 | 0.0797 | 0.705 | |
AGE | 100 | 2.797 | 0.255 | 2.079 | 3.367 | |
非国有企业 | FP | 1,300 | 1.190 | 0.936 | −3.467 | 9.624 |
RDE | 1,300 | 0.830 | 0.163 | 0.156 | 1 | |
SIZE | 1,300 | 21.75 | 0.816 | 19.03 | 24.93 | |
IDR | 1,300 | 0.386 | 0.0581 | 0.250 | 0.600 | |
DUAL | 1,300 | 0.405 | 0.491 | 0 | 1 | |
TOP10 | 1,300 | 53.55 | 11.37 | 19.15 | 85.77 | |
LEV | 1,300 | 0.353 | 0.213 | 0.0276 | 3.513 | |
AGE | 1,300 | 0.292 | 0.141 | 0.0272 | 1.507 |