This dissertation includes three papers that examine the role of child care policy in promoting early childhood education and care and parental labor supply. Paper one investigates the effects of universal pre-kindergarten on center-based early education and care enrollment and child care expenditures by household income with a focus on middle-income children. Paper two considers how the generosity of the Child and Dependent Care Tax Credit (CDCTC) benefits is associated with child care utilization and maternal labor supply. Paper three assesses the role of coresident grandparents in parental labor supply during the COVID-19 pandemic.