| Closest neighbour | Matching radius | Core/Kernel | Stratification |
Number of treaties | 329 | 326 | 329 | 329 |
Number of untreated | 1153 | 5388 | 5483 | 5483 |
ATT | −0.012 | −0.013 | −0.015 | −0.016 |
T-student | −0.488 | −0.650 | −0.715 | −0.815 |