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| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| 变量 | N | mean | sd | min | p25 | p50 | p75 | max |
| Academic | 17,298 | 0.170 | 0.376 | 0.000 | 0.000 | 0.000 | 0.000 | 1.000 |
| Rpt | 17,298 | 0.179 | 0.200 | −0.000 | 0.023 | 0.106 | 0.268 | 0.997 |
| INST | 17,298 | 0.359 | 0.233 | 0.000 | 0.154 | 0.355 | 0.538 | 0.985 |
| Top1 | 17,298 | 0.339 | 0.144 | 0.030 | 0.225 | 0.318 | 0.430 | 0.900 |
| Size | 17,298 | 22.005 | 1.278 | 19.679 | 21.088 | 21.823 | 22.681 | 26.164 |
| Lev | 17,298 | 0.429 | 0.210 | 0.053 | 0.261 | 0.419 | 0.584 | 0.918 |
| ROA | 17,298 | 0.041 | 0.063 | −0.238 | 0.014 | 0.039 | 0.072 | 0.215 |
| Cashflow | 17,298 | 0.040 | 0.072 | −0.191 | 0.002 | 0.040 | 0.082 | 0.234 |
| Board | 17,298 | 2.136 | 0.206 | 1.386 | 1.946 | 2.197 | 2.197 | 2.996 |
| Indep | 17,298 | 0.373 | 0.054 | 0.091 | 0.333 | 0.333 | 0.429 | 0.750 |
| Dual | 17,298 | 0.278 | 0.448 | 0.000 | 0.000 | 0.000 | 1.000 | 1.000 |
| SOE | 17,298 | 0.324 | 0.468 | 0.000 | 0.000 | 0.000 | 1.000 | 1.000 |
| FirmAge | 17,298 | 2.761 | 0.394 | 0.693 | 2.565 | 2.833 | 3.045 | 3.912 |
| Gender | 17,298 | 0.935 | 0.247 | 0.000 | 1.000 | 1.000 | 1.000 | 1.000 |
| Age | 17,298 | 3.901 | 0.136 | 3.258 | 3.829 | 3.912 | 3.989 | 4.407 |
| Edca | 17,298 | 3.362 | 0.831 | 1.000 | 3.000 | 3.000 | 4.000 | 6.000 |