| 变量 | 列1 | 列2 | 列3 | 列4 | 
| Lnfee | Op | Lnfee | Op | |
| Eu | 0.016*** | 0.195*** | 0.016*** | 0.197*** | 
| 
 | (0.003) | (0.028) | (0.003) | (0.025) | 
| MRatio | 
 | 
 | −0.034 | −0.880 | 
| 
 | 
 | 
 | (0.029) | (0.560) | 
| Eu*MRatio | 
 | 
 | 0.073*** | −0.364** | 
| 
 | 
 | 
 | (0.019) | (0.144) | 
| Size | 0.402*** | −0.407*** | 0.402*** | −0.401*** | 
| 
 | (0.005) | (0.067) | (0.005) | (0.067) | 
| Lev | −0.090** | 4.267*** | −0.088** | 4.241*** | 
| 
 | (0.038) | (0.477) | (0.038) | (0.477) | 
| ROA | −0.788*** | −4.822*** | −0.790*** | −4.822*** | 
| 
 | (0.086) | (0.806) | (0.086) | (0.804) | 
| CRatio | −0.021*** | 0.123*** | −0.020*** | 0.124*** | 
| 
 | (0.003) | (0.046) | (0.003) | (0.046) | 
| Loss | 0.007 | 1.116*** | 0.006 | 1.116*** | 
| 
 | (0.017) | (0.191) | (0.017) | (0.190) | 
| Big4 | 0.625*** | −0.333 | 0.624*** | −0.409 | 
| 
 | (0.026) | (0.426) | (0.026) | (0.449) | 
| ArInv | 0.012 | −1.515*** | 0.013 | −1.449*** | 
| 
 | (0.032) | (0.440) | (0.032) | (0.435) | 
| State | −0.116*** | −1.141*** | −0.120*** | −1.200*** | 
| 
 | (0.010) | (0.165) | (0.011) | (0.166) | 
| Age | 0.008*** | 0.040*** | 0.007*** | 0.032*** | 
| 
 | (0.001) | (0.011) | (0.001) | (0.012) | 
| _cons | 4.947*** | 3.247** | 4.964*** | 3.312** | 
| 
 | (0.112) | (1.471) | (0.113) | (1.475) | 
| year/ind | control | control | control | control | 
| N | 10410 | 10302 | 10410 | 10302 | 
| Pseudo R2 | 0.649 | 0.298 | 0.649 | 0.3008 |