We estimate the nonlinear impact of class size on student achievement by exploiting regulations that cap class size at 20 students per class in kindergarten. Based on student-level information from a previously unexploited and unique large-scale census survey of kindergarten students, this study...

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...

Shocks, such as economic crisis, that occur in the critical periods of children development are believed to have lasting effects. Using data from Indonesia Family Life Survey (IFLS), this study investigates the timing issue and whether Asian Financial 1997/1998 crisis has impacts on child health...

We study the socio-economic gradient of child development on a representative sample of low- and middle-income children aged 6-42 months in Bogota, using the Bayley Scales of Infant Development, a high quality test based on direct observation of the child's abilities. We find a statistically...

This paper examines early childhood development (ECD) outcomes and their association with family characteristics, investments, and environmental factors, with particular emphasis on the inter- generational transmission of cognitive abilities. The paper examines the causal relationship between...

This paper uses data from the Mexican Family Life Survey to estimate the impact of a household member's migration to the United States on the cognitive development of children remaining in Mexico. While there is no developmental effect of a child's sibling migrating to the United States, there...

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,...