This paper describes a policy experiment implemented in Costa Rica to increase learning during the COVID-19 pandemic. The experiment provided parents of preschool students with text messages to support their children's learning at home. After 15 weeks of intervention, the cognitive skills of...

This paper uses seven nationally representative time use surveys in Latin America to identify key stylized facts regarding the quantity and quality of parental time investment on the skill formation of their children. Traditional models of household behavior have failed to account for the...

This paper documents disparities in cognitive development-as measured by a receptive vocabulary test-between children from households with high and low socioeconomic status (SES) in two different phases of childhood (before and after early school years) in four developing countries: Peru,...

The effects of early life circumstances on cognitive skill formation are important for later human capital development, labor market outcomes and well-being. In this paper, we test the hypothesis that the first 1,000 days are the critical window for both cognitive skill formation and physical...

Birth registration is not only a fundamental human right, but also a requirement for obtaining additional documents, proving legal identity, and accessing a number of government benefits. Yet, little is known about the effects of birth under-registration on access to health care. Using data from...

A growing body of research argues that early adverse experiences have lasting effects not only on later health outcomes, but also on human capital accumulation. This paper investigates the persistent effect of negative shocks early in life on children's health and cognitive outcomes, and...

This paper provides empirical evidence on the causal effects that upgrading slum dwellings has on the living conditions of the extremely poor. In particular, we study the impact of providing better houses in situ to slum dwellers in El Salvador, Mexico and Uruguay. We experimentally evaluate the...

In-service teacher training aims to improve the supply of public education. A randomized experiment was conducted in Mexico to test whether teacher training could increase teacher efficiency in public secondary schools. After seven and a half months of exposure to a trained teacher, students...

This paper discusses several approaches to examining the relationship between child care and mothers' labor supply. The focus is on child care for children aged 0-3, because this is a critical period for working mothers and their children and because most European and American households with...

This paper estimates the impact of a large temporary poverty relief program, Uruguay's PANES - on birth outcomes. Using program administrative data and longitudinal vital statistics, a significant and precisely estimated reduction in the fraction of low-weight newborns (less than 2,500 g. ) on...