Using data of children under age fifteen in Indonesia, I examine how the health gradient among children evolves over age. It is found that health status is strongly correlated with household income among children younger than seven, but not so among the older school-aged children. I find...

In educating students national public school systems use different methods of grouping students by ability across schools. We consider four different school systems of student allocation at different stages of schooling and their educational implications. Our two-period model suggests that both...