This paper examines the labour supply disincentives of the Income Support system among single mothers with no qualifications in the UK. It uses a regression discontinuity approach that exploits the age-eligibility rule establishing automatic withdrawal of Income Support for single mothers whose...

This paper examines the impact of the age-eligibility rule establishing automatic withdrawal of Income Support for single mothers whose youngest child turns 16 on the disability benefits welfare participation decision of single mothers with no qualifications in the UK. Using the age...

This paper evaluates the impacts of a public program that introduced access to part-time childcare centers for children younger than four years of age in poor urban areas in Nicaragua. We explore the effects of this program on several measures of children's and parental outcomes. Our...

This paper evaluates the impacts of a public program that introduced access to part-time childcare centers for children younger than four years of age in poor urban areas in Nicaragua. We explore the effects of this program on several measures of children's and parental outcomes. Our...

This document compares three versions of the same home visiting model, the well-known Jamaica model, which was gradually scaled-up from an efficacy trial (proof of concept) in Jamaica, to a pilot in Colombia, to an at-scale program in Peru. It first describes the design, implementation and...

This document compares three versions of the same home visiting model, the well-known Jamaica model, which was gradually scaled-up from an efficacy trial (proof of concept) in Jamaica, to a pilot in Colombia, to an at-scale program in Peru. It first describes the design, implementation and...

During a period of COVID-19-induced job losses and mobility restrictions, the government of Colombia's launched Empléate, an innovative Pay-for-performance (P4P) program that targeted impoverished and vulnerable workers. Empléate operated at a national scale and had a novel financial...

In October 2003, a new flight regime was introduced at Zurich airport that significantly changed the levels of noise pollution in surrounding communities. We investigate the impact of the new flight policy on apartment prices using a hedonic price model and a non-linear difference-in-differences...

This paper explores semi-monotonicity constraints in the distribution of potential outcomes, first, conditional on an instrument, and second, in terms of the response function. The imposed assumptions are strictly weaker than traditional instrumental variables assumptions and can be gainfully...