变量 | 观测值 | 平均值 | 标准差 | 最小值 | 最大值 |
TFP | 11,220 | 8.499 | 1.008 | 6.240 | 11.393 |
DCG | 11,220 | 1.497 | 1.387 | 0.000 | 5.257 |
AC | 11,220 | 0.0845 | 0.063 | 0.006 | 0.382 |
TAX | 11,220 | 0.028 | 0.037 | −0.209 | 0.229 |
Size | 11,220 | 22.540 | 1.223 | 20.069 | 26.452 |
Age | 11,220 | 2.977 | 0.302 | 1.792 | 3.611 |
Lev | 11,220 | 0.427 | 0.194 | 0.048 | 0.896 |
TobinQ | 11,220 | 2.013 | 1.213 | 0.811 | 9.614 |
ROE | 11,220 | 0.068 | 0.105 | −0.612 | 0.415 |
FIXED | 11,220 | 0.213 | 0.153 | 0.002 | 0.699 |