Many argue that childcare costs limit the labor supply of mothers, though existing evidence has been mixed. Using a child's eligibility for public kindergarten in a regression discontinuity instrumental variables framework, I estimate how use of a particular subsidy, public school, affects maternal labor supply. I find public school enrollment…

"Employment Research" is published quarterly by the W.E. Upjohn Institute for Employment and Research. Issues appear in January, April, July, and October. This issue of "Employment Research" presents an article that summarizes the author's study of the effects of high-quality universal preschool education when it is treated as an economic…