变量 | N | 均值 | 中位数 | 标准差 | 最小值 | 最大值 |
RD | 6510 | 0.0480 | 0.0390 | 0.0450 | 0.0000 | 0.8860 |
SUBR | 6510 | 0.0050 | 0.0000 | 0.0250 | 0.0000 | 1.2410 |
Top1 | 6510 | 0.3190 | 0.3020 | 0.1360 | 0.0810 | 0.7430 |
Balance2 | 6510 | 0.7320 | 0.5630 | 0.5910 | 0.0300 | 2.9610 |
Mshare | 6510 | 0.1210 | 0.0160 | 0.1700 | 0.0000 | 0.7080 |
Size | 6510 | 22.42 | 22.28 | 1.144 | 19.72 | 26.43 |
Lev | 6510 | 0.3940 | 0.3900 | 0.1770 | 0.0540 | 0.9060 |
ROA | 6510 | 0.0440 | 0.0400 | 0.0630 | −0.3980 | 0.2540 |
board | 6510 | 2.1150 | 2.1970 | 0.1910 | 1.6090 | 2.7080 |
indep | 6510 | 0.3770 | 0.3570 | 0.0550 | 0.2860 | 0.6000 |
bm | 6510 | 0.9320 | 0.6750 | 0.9260 | 0.0510 | 10.1400 |
listage | 6510 | 2.4190 | 2.3980 | 0.5380 | 0.6930 | 3.3670 |
growth | 6510 | 0.1570 | 0.1080 | 0.3410 | −0.6600 | 4.3300 |