变量 | 观测值 | 均值 | 标准差 | 最小值 | 中位数 | 最大值 |
TFP-LP | 13,816 | 8.580 | 1.120 | 3.780 | 8.500 | 13 |
lnenter-age | 13,816 | 14.26 | 5.880 | 1 | 14 | 30 |
lnasset | 13,816 | 22.49 | 1.400 | 16.16 | 22.33 | 28.64 |
lev | 13,816 | 0.500 | 0.250 | −0.190 | 0.500 | 8.260 |
roa | 13,816 | 0.0400 | 0.930 | −4.780 | 0.0300 | 108.4 |
lnboar | 13,816 | 2.170 | 0.200 | 1.100 | 2.200 | 2.890 |