We study the impact on learning of a child's rank in the classroom using a unique experiment from Ecuador. Within each school, students were randomly assigned to classrooms in every grade between kindergarten and 6th grade.Therefore, two students with the same ability can have different...

Research from the United States shows that gaps in early cognitive and non-cognitive ability appear early in the life cycle. Little is known about this important question for developing countries. This paper provides new evidence of sharp differences in cognitive development by socioeconomic...

Research from the United States shows that gaps in early cognitive and non-cognitive ability appear early in the life cycle. Little is known about this important question for developing countries. This paper provides new evidence of sharp differences in cognitive development by socioeconomic...

Many poor households in developing countries are liquidity-constrained. As a result, they may under-invest in the human capital of their children. We provide new evidence on the long-term (10-year) effects of cash transfers using data from Ecuador. Our analysis is based on two separate sources...

Muchos hogares pobres en los países en desarrollo enfrentan problemas de liquidez. Como resultado, es probable que inviertan menos de lo necesario en el capital humano de sus niños. Utilizando datos de Ecuador, proporcionamos nueva evidencia sobre los efectos de largo plazo (10 años) de las...

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....

El desarrollo en la primera infancia predice lo que serán los resultados en la escolaridad y el mercado laboral en la edad adulta. En este documento usamos una estrategia de identificación de efectos fijos para evaluar el modo en que las diferencias en la calidad de los jardines de cuidado...

We study the determinants of math achievement among children in early elementary school using data from a unique experiment. We find steep socioeconomic gradients and a substantial boy-girl gap in math test scores. However, among children of mothers with university education, there is no...

We study the impact of welfare payments in Ecuador on the probability that women and men work, and on whether they are employed in the formal or informal sectors. Our analysis is based on two distinct identification strategies and two separate sources of data spanning more than 10 years. We find...