| 解释变量 | 民营企业 | 国有企业 | ||
| 系数 | t值 | 系数 | t值 | |
| 截距 | −16.224*** | −20.250 | −9.788*** | 13.752 | 
| FSR | 0.099*** | 7.253 | −0.003 | −0.285 | 
| OB | 0.144*** | 9.798 | 0.012 | 0.936 | 
| PIN | 0.016* | 1.918 | 0.015*** | 2.703 | 
| LEV | −0.003 | −0.317 | −0.020*** | −3.352 | 
| ln(MV) | 4.717*** | 24.840 | 4.076*** | 23.231 | 
| AP | 40.682*** | 8.138 | 79.125*** | 13.539 | 
| DLDQ | 0.424 | 1.229 | −0.408 | −1.183 | 
| F检验 | 1167.599 | 1303.010 | ||
| Adjusted R-squared | 0.174 | 0.121 | ||