变量 | 创业型企业 | 国有改制型企业 | 差异检验 | ||||||
样本量 | 均值 | 中位数 | 样本量 | 均值 | 中位数 | MeanDiff | Chi-sq | ||
Jdacc | 4171 | 0.056 | 0.039 | 1169 | 0.053 | 0.037 | 0.003 | 2.025 | |
Dacc | 4171 | 0.007 | 0.005 | 1169 | 0.003 | 0.004 | 0.004* | 0.133 | |
Acof | 4171 | 0.007 | 0.009 | 1169 | 0.015 | 0.014 | −0.008*** | 7.545*** | |
Adisexp | 4171 | 0.014 | 0.011 | 1169 | 0.019 | 0.006 | −0.005** | 13.012*** | |
Aprod | 4171 | −0.027 | −0.028 | 1169 | −0.039 | −0.031 | 0.013*** | 1.052 | |
Rems | 4171 | −0.048 | −0.048 | 1169 | −0.073 | −0.060 | 0.026*** | 4.916** | |
Size | 4171 | 21.655 | 21.573 | 1169 | 21.880 | 21.766 | −0.225*** | 28.388*** | |
Lev | 4171 | 0.359 | 0.348 | 1169 | 0.386 | 0.375 | −0.028*** | 7.913*** | |
Roa | 4171 | 0.039 | 0.041 | 1169 | 0.036 | 0.041 | 0.003 | 0.010 | |
Growth | 4171 | 0.228 | 0.162 | 1169 | 0.172 | 0.119 | 0.056*** | 25.637*** | |
Age | 4171 | 5.487 | 5.025 | 1169 | 6.047 | 5.647 | −0.560*** | 21.544*** | |
Bs | 4171 | 2.085 | 2.197 | 1169 | 2.144 | 2.197 | −0.059*** | 25.025*** | |
Idir | 4171 | 0.380 | 0.364 | 1169 | 0.366 | 0.333 | 0.014*** | 34.652*** | |
Dual | 4171 | 0.377 | 0.000 | 1169 | 0.283 | 0.000 | 0.094*** | 35.323*** | |
Invrec | 4171 | 0.289 | 0.273 | 1169 | 0.286 | 0.262 | 0.003 | 3.076* | |
Top1 | 4171 | 32.805 | 31.179 | 1169 | 30.425 | 28.733 | 2.380*** | 16.569*** | |
Seo | 4171 | 0.148 | 0.000 | 1169 | 0.135 | 0.000 | 0.013 | 1.289 | |
Avloss | 4171 | 0.041 | 0.000 | 1169 | 0.044 | 0.000 | −0.003 | 0.223 | |