By: Bjorklund, Anders, Jantti, Markus, and Gary Solon.
These researchers study data on Swedish families and find that the largest positive influence on both sonsÃ and daughtersÃ educational outcomes from parentsÃ education occurs when children are raised by both biological parents. Both sonsÃ and daughtersÃ mean years of education, mean income, and mean earnings are highest as well when children are raised by both biological parents.
Nature and nurture in the intergenerational transmission of socioeconomic status: Evidence from Swedish children and their biological and rearing parents. National Bureau of Economic Research. Working paper no. 12985.