The twenty-fifth anniversary of the publication of Gary Becker's path-breaking Treatise on the Family provides an occasion to reexamine both the American family and family economics. We begin by discussing how families have changed in recent decades: the separation of sex, marriage, and...

Since 1950 the sources of the gains from marriage have changed radically. As the educational attainment of women overtook and surpassed that of men and the ratio of men's to women's wage rates fell, traditional patterns of gender specialization in work weakened. The primary source of the gains...