Kinship structure - how extended families are organized - varies across societies and may have implications for outcomes within the household. A key source of variation in kinship structure is whether lineage and inheritance are traced through women, as in matrilineal kinship systems, or men, as...

We document the degree of educational assortative mating, how it evolves over time, and the extent to which it differs between countries. Our analysis focuses on the U.S. but also uses data from Denmark, Germany, the U.K., and Norway. We find evidence of positive assortative mating at all levels...