变量 | 数量 | 均值 | 标准差 | 最大值 | 最小值 |
Investor | 9668 | 0.0165 | 0.128 | 1 | 0 |
Psos | 9668 | −0.0110 | 0.118 | 0.373 | −0.453 |
Pstl | 9668 | −0.0125 | 0.118 | 0.362 | −0.475 |
Size | 9668 | 22.32 | 1.418 | 27.29 | 19.84 |
Instituation | 9668 | 5.800 | 6.250 | 28.14 | 0.000800 |
Lev | 9668 | 0.424 | 0.212 | 0.938 | 0.0610 |
ROA | 9668 | 0.0416 | 0.0674 | 0.215 | −0.288 |
TOP1 | 9668 | 33.56 | 14.43 | 73.19 | 8.340 |
SOE | 9668 | 0.316 | 0.465 | 1 | 0 |
Big4 | 9668 | 0.0626 | 0.242 | 1 | 0 |
Indep | 9668 | 0.376 | 0.0531 | 0.571 | 0.333 |
BoardNum | 9668 | 8.517 | 1.748 | 15 | 5 |
Dual | 9668 | 0.296 | 0.457 | 1 | 0 |
Anaattention | 9668 | 1.465 | 1.161 | 3.761 | 0 |