Development in early childhood predicts schooling and labor market outcomes in adulthood. In this paper we use a fixed effects identification strategy to assess how differences in the quality of child care affect the communication, fine motor, and problem solving skills of infants and toddlers....

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...