preschool child. Yet, research is ongoing on what the long-term effects on children are of being looked after at home (primarily … by their mothers) or in childcare. Most studies find positive effects of childcare on child outcomes for children from … disadvantaged backgrounds and moderate effects for children from more advantaged backgrounds. Policymakers need to improve …

Using machine learning methods in a quasi-experimental setting, I study the heterogeneous effects of introducing waste … prices - unit prices on household unsorted waste disposal - on waste demands and social welfare. First, using a unique panel … of Italian municipalities with large variation in prices and observables, I show that waste demands are nonlinear. - find …

implement a strong tax-subsidy scheme to correct it. We suggest that a subsidy to human capital can also decrease the gap …