"Beginning in the mid-1960s, many state governments, particularly in the South and West, began to subsidize kindergartens for the first time. These initiatives generated wide variation across states over time in the supply of seats for five year olds in public schools. This paper uses the...

This paper examines how the public policy environment in the United States affects work by new mothers following childbirth. We examine four types of policies that vary across states and affect the budget constraint in different ways. The policy environment has important effects, particularly...