| Model (3) | Model (4) | |
| RANK_F | −0.075 | |
| (0.004)*** | ||
| RANK0_F | −0.121 | |
| (0.001)*** | ||
| SD | −2.421 | −2.231 |
| (0.000)*** | (0.000)*** | |
| Family | −0.000 | −0.000 |
| (0.578) | (0.552) | |
| lnage | −0.013 | −0.013 |
| (0.019)** | (0.089)* | |
| lnsize | 0.007 | 0.014 |
| (0.412) | (0.242) | |
| year | Yes | Yes |
| N | 1364 | 683 |
| Prob > F | 0.000 | 0.000 |
| Adj R-square | 0.058 | 0.064 |