Nonexperimental data are used to evaluate impacts of a Bolivian preschool program on cognitive, psychosocial, and anthropometric outcomes. Impacts are shown to be highly dependent on age and exposure duration. To minimize the effect of distributional assumptions, program impacts are estimated as...

In this paper we develop and implement a method for bounding the extent to which labor market discrimination can account for racial wage differentials. The method is based on a two-sided, search-matching model that formally accounts for unobserved heterogeneity and unobserved offered wages. We...