Contents -- Preface to the Enlarged Edition -- Introduction -- 1. Single-Person Households -- 2. Division of Labor in Households and Families -- Supplement: Human Capital, Effort, and the Sexual Division of Labor -- 3. Polygamy and Monogamy in Marriage Markets -- 4. Assortative Mating in Marriage Markets -- 5. The Demand for Children -- Supplement: A Reformulation of the Economic Theory of Fertility -- 6. Family Background and the Opportunities of Children -- 7. Inequality and Intergenerational Mobility -- Supplement: Human Capital and the Rise and Fall of Families -- 8. Altruism in the Family -- 9. Families in Nonhuman Species -- 10. Imperfect Information, Marriage, and Divorce -- 11. The Evolution of the Family -- Supplement: The Family and the State -- Bibliography -- Index.