| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
变量 | N | mean | sd | min | p25 | p50 | p75 | max |
IE | 16454 | 3.851 | 1.631 | 0.000 | 2.833 | 3.912 | 4.905 | 10.821 |
Open | 16454 | 31.104 | 13.764 | 4.000 | 19.110 | 27.220 | 43.640 | 53.010 |
Size | 16454 | 22.063 | 1.243 | 19.350 | 21.175 | 21.872 | 22.736 | 26.250 |
Lev | 16454 | 0.415 | 0.203 | 0.027 | 0.252 | 0.406 | 0.566 | 0.925 |
Roe | 16454 | 0.068 | 0.122 | -1.112 | 0.030 | 0.070 | 0.119 | 0.421 |
Board | 16454 | 2.139 | 0.196 | 1.609 | 1.946 | 2.197 | 2.197 | 2.708 |
Indep | 16454 | 0.374 | 0.054 | 0.273 | 0.333 | 0.333 | 0.429 | 0.600 |
Dual | 16454 | 0.269 | 0.444 | 0.000 | 0.000 | 0.000 | 1.000 | 1.000 |
TobinQ | 16454 | 2.129 | 1.375 | 0.815 | 1.299 | 1.707 | 2.438 | 17.676 |
ListAge | 16454 | 2.032 | 0.743 | 0.693 | 1.386 | 2.079 | 2.708 | 3.296 |
FirmAge | 16454 | 2.752 | 0.362 | 1.099 | 2.565 | 2.833 | 2.996 | 3.526 |
Top1 | 16454 | 0.345 | 0.145 | 0.084 | 0.231 | 0.327 | 0.443 | 0.758 |
INST | 16454 | 0.383 | 0.235 | 0.000 | 0.183 | 0.385 | 0.563 | 0.889 |