We find substantial and statistically significant detrimental effects of fathers' multiple-partner fertility (MPF) on children's educational outcomes. We focus on children in fathers' "second families" when the second families are nuclear families - households consisting of a man, a woman, their...

Fathers' multiple-partner fertility (MPF) is associated with substantially worse educational outcomes for children. We focus on children in fathers' “second families” when the second families are nuclear families – households consisting of a man, a woman, their joint children, and no other...