"Empirical studies of the relationship between school inputs and test scores typically do not account for the fact that households will respond to changes in school inputs. We present a dynamic household optimization model relating test scores to school and household inputs, and test its...

This essay discusses the effect of technical change on wage inequality. I argue that the behavior of wages and returns to schooling indicates that technical change has been skill-biased during the past sixty years. Furthermore, the recent increase in inequality is most likely due to an...

Analyses of income inequality have identified the importance of increased demand for worker skills, but characterizations of worker skills by the amount of schooling attained do not capture important aspects of the widening income distribution and of the stagnating relative wages of black...

Early research on the returns to higher education treated the postsecondary system as a monolith. In reality, postsecondary education in the United States and around the world is highly differentiated, with a variety of options that differ by credential (associates degree, bachelor's degree,...

The foundations for successful child development are established in early childhood. Two main policy approaches for strengthening these foundations have been subsidized preschool programs and programs targeting the home environment. Our chapter reviews a large body of empirical work...

Empirical studies in the economics of education, the measurement of skill gaps across demographic groups, and the impacts of interventions on skill formation rely on psychometrically validated test scores that record the proportion of items correctly answered. Test scores are sometimes taken as...

We examine the impact of conflict-driven displacement on human capital. We focus on the Mozambican civil war (1977-1992), during which more than four million civilians fled to the countryside, cities, and refugee camps and settlements in neighboring countries. We leverage the full post-war...

We document the skill content of college majors as perceived by employers and expressed in the near universe of U.S. online job ads. Social and organizational skills are general in that they are sought by employers of almost all college majors, whereas other skills are more specialized. In turn,...

In this paper, we will investigate the effect of six factors on occupational earnings inequality across all occupations in our sample and across occupations in five major Census subgroups. Those six factors are: differences in tasks, different levels of efficiency, institutional factors, time...

The purpose of this paper is to analyze the effects of changes in exogenous parameters such as the interest rate, the length of the working period and initial endowments on the shape of the observed earnings profile. Though this problem can be treated in general, we shall restrict ourselves to...