变量 | 观测值 | 均值 | 标准差 | 最小值 | 中位数 | 最大值 |
TFP | 8365 | 16.189 | 0.96 | 9.284 | 16.158 | 20.638 |
TFP_OP | 8365 | 11.935 | 0.793 | 6.895 | 11.848 | 16.993 |
MEPay | 8365 | 13.15 | 0.717 | 9.555 | 13.167 | 16.574 |
MMPay | 8365 | 11.537 | 1.164 | 3.912 | 11.584 | 16.295 |
Size | 8365 | 22.014 | 1.073 | 18.187 | 21.940 | 26.915 |
Roa | 8365 | 0.037 | 0.097 | −2.871 | 0.041 | 0.786 |
Lev | 8365 | 0.362 | 0.196 | 0.231 | 0.346 | 2.293 |
Mshare | 8365 | 15.887 | 18.292 | 0 | 8.325 | 132.78 |
Age | 8365 | 8.317 | 6.547 | 1 | 6 | 30 |
Board | 8365 | 8.315 | 1.466 | 4 | 9 | 17 |
TobinQ | 8365 | 2.168 | 1.695 | 0.684 | 1.691 | 56.813 |
ROP | 8365 | 8.734 | 14.258 | −30.504 | 4.542 | 72.692 |