| Explanatory variables | Dependent variable: IG_VIIT | |||
| FEM | REM | |||
| (1) | (2) | (3) | (4) | |
| SIZE | 0.008 | 0.008 | 0.007 | 0.007 |
| (5.68) | (5.71) | (5.60) | (5.60) | |
| DIFRD | 2.843 | 2.799 | 3.323 | 3.378 |
| (1.94) | (1.94) | (2.04) | (2.07) | |
| DIFYP | 0.753 | 0.751 | 0.759 | 0.759 |
| (8.71) | (8.63) | (8.83) | (8.78) | |
| DIFY | −0.144 | −0.143 | −0.142 | −0.141 |
| (−5.79) | (−5.82) | (−5.60) | (−5.60) | |
| DIST | −0.005 | −0.005 | −0.004 | −0.004 |
| (−3.11) | (−3.13) | (−3.06) | (−3.07) | |
| Constant | −1.254 | −1.235 | −1.32 | −1.298 |
| (−16.41) | (−19.52) | (−8.13) | (−8.59) | |
| Yearly dummies |
| Yes |
| Yes |
| Number of observations | 1552 | 1552 | 1552 | 1552 |
| Overall R2 | 0.077 | 0.077 | 0.081 | 0.081 |
| R2 for between estimator | 0.006 | 0.006 | 0.003 | 0.003 |
| R2 for within estimator | 0.144 | 0.143 | 0.144 | 0.142 |