| VARIABLES | (1) | (2) | (3) | (4) | (5) | (6) | 
| EPS | EPS | EPS | EPS | EPS | EPS | |
| ER | 0.027*** | 0.019** | 0.023*** | 0.020** | 0.017** | 0.024*** | 
| (0.009) | (0.009) | (0.008) | (0.008) | (0.008) | (0.008) | |
| LEV | 
 | −0.747*** | −0.624*** | −0.551*** | −0.425*** | −0.711*** | 
| 
 | (0.038) | (0.038) | (0.037) | (0.036) | (0.040) | |
| TOP | 
 | 
 | 0.415*** | 0.370*** | 0.352*** | 0.336*** | 
| 
 | 
 | (0.027) | (0.026) | (0.024) | (0.024) | |
| DY | 
 | 
 | 
 | −0.393*** | −0.356*** | −0.333*** | 
| 
 | 
 | 
 | (0.019) | (0.018) | (0.018) | |
| CASH | 
 | 
 | 
 | 
 | 2.641*** | 2.332*** | 
| 
 | 
 | 
 | 
 | (0.105) | (0.105) | |
| SIZE | 
 | 
 | 
 | 
 | 
 | 0.106*** | 
| 
 | 
 | 
 | 
 | 
 | (0.007) | |
| Constant | −0.076 | 0.387 | −1.345*** | −0.906** | −0.754** | −1.598*** | 
| (0.413) | (0.401) | (0.408) | (0.394) | (0.374) | (0.372) | |
| N | 5709 | 5709 | 5709 | 5709 | 5709 | 5709 | 
| R-squared | 0.070 | 0.127 | 0.162 | 0.220 | 0.296 | 0.323 | 
| 年份固定效应 | YES | YES | YES | YES | YES | YES | 
| 行业固定效应 | YES | YES | YES | YES | YES | YES |