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,...

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...

This study explores sex differences in language and socio-emotional skills. It focuses on children 7 months old to 6 years old in Chile in 2012 and Nicaragua in 2013. A focus on young children allowed for ruling out a set of environmental and identity effects to explain the gap. Females had an...

Integrating early childhood interventions with health and nutrition services has been recommended, however there is limited information on interventions that are effective and feasible for delivery through health services. In this trial we developed and evaluated a parenting program that could...

Integrating early childhood interventions with health and nutrition services has been recommended, however there is limited information on interventions that are effective and feasible for delivery through health services. In this trial we developed and evaluated a parenting program that could...

We explore the effects of a randomly assigned conditional cash transfer in Honduras (Bono 10000) on early childhood development. We find significant impacts on cognitive development in children 0-60 months, with an average effect size of 0.13 SD. We show differential impacts by type of transfer:...