We investigate women's fertility, labor and marriage market responses to large declines in child and maternal mortality that occurred following a major medical innovation in the US. In response to the decline in child mortality, women delayed childbearing and had fewer children overall. Fewer...

We investigate women's fertility, labor, and marriage market responses to large declines in child mortality in the U.S. Fertility declined on the intensive margin as expected. However, despite the increasing value of having at least one child, a larger share of women remained childless. We...

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...