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...

We test the robustness of the results of Cutler and Lleras-Muney (2010) on the role of personality in explaining the education-health gradient by using alternative measures of child personality available in the National Child Development Study. We show that, alternatively to the authors...