This paper discusses methods for evaluating the impacts of social programs prior to their implementation. Ex ante evaluation is useful for designing programs that achieve some optimality criteria, such as maximizing impact for a given cost. This paper illustrates through several examples the use...

This paper studies the performance of a methodology that can be used to evaluate the impact of new policies that radically depart from existing ones. It uses data gathered from a randomized schooling subsidy experiment in Mexico (i) to estimate and validate a dynamic behavioral model of parental...

This paper estimates the gender-specific effects of birthweight on a variety of schooling and labor market outcomes. A unique feature of the study is to use micro evidence on the relationship between birthweight - an early measure of nutritional advantage - and schooling outcomes to make...