Until the early decades of the 20th century, women spent more than 60% of their prime-age years either pregnant or nursing. Since then, the introduction of infant formula reduced women's comparative advantage in infant care, by providing an effective breast milk substitute. In addition, improved...

Maternal mortality was the second-leading cause of death for women in childbearing years up until the mid-1930s in the United States. For each death, twenty times as many mothers were estimated to suffer pregnancy-related conditions, often leading to severe and prolonged disablement. Poor...

We document three new facts about gender differences in executive compensation. First, female executives receive a lower share of incentive pay in total compensation relative to males. This difference accounts for 93 percent of the gender gap in total pay. Second, the compensation of female...