变量名 | 均值 | 标准差 | 最小值 | 中位数 | 最大值 | 样本量 |
ENV | 1.2 | 4.36 | 0 | 0 | 30 | 16,242 |
Overseas | 0.12 | 0.14 | 0 | 0.11 | 1 | 16,242 |
GTI | 0.16 | 0.53 | 0 | 0 | 5.9 | 16,242 |
Size | 22.23 | 1.3 | 17.81 | 22.05 | 28.64 | 16,242 |
Lev | 0.4 | 0.2 | 0.01 | 0.4 | 1.7 | 16,242 |
ROA | 0.05 | 0.07 | −0.8 | 0.04 | 0.88 | 16,242 |
Capital | 0.05 | 0.05 | 0 | 0.04 | 0.64 | 16,242 |
R&D | 4.96 | 10.74 | 0 | 3.68 | 1135.89 | 16,242 |
Board | 8.48 | 1.64 | 0 | 9 | 18 | 16,242 |
TobinQ | 2.09 | 1.72 | 0.67 | 1.65 | 92.25 | 16,242 |
top10 | 59.52 | 15.23 | 3.59 | 60.82 | 101.16 | 16,242 |