“…pre-kindergarten availability on mother's labour market outcomes in Iowa, Florida and Vermont, with estimates suggesting no effect on the extensive margin and reductions along the intensive margin. Because this paper examines an age-specific policy that reduces child care costs to zero and effectively guarantees eligibility, it is closely related to the work of Gelbach (2002), Fitzpatrick (2010Fitzpatrick ( , 2012, Cascio (2009), Cascio and Schanzenbach (2013), Ilin et al (2022), Malik (2018), Li (2020), Soldani (2021) and Sall (2014). These papers examine the impact on mothers' labour supply of eligibility for either preschool or kindergarten in the United States.…”