Much educational research today is focused on assessing reforms that are intended to create equal opportunity for all students. Many current policies aim at concentrating extra resources on the disadvantaged. The state-of-the-art research in Schools and the Equal Opportunity Problem suggests,...

An emerging economic literature over the past decade has made use of international tests of educational achievement to analyze the determinants and impacts of cognitive skills. The cross-country comparative approach provides a number of unique advantages over national studies: It can exploit...

Even though some countries track students into differing-ability schools by age 10, others keep their entire secondary-school system comprehensive. To estimate the effects of such institutional differences in the face of country heterogeneity, we employ an international...

This paper updates estimations of labor-market returns to human capital by re-examining traditional measures that rely exclusively on school attainment and put too much weight on early-career earnings by incorporating adult skills over full lifecycle earnings in 22 countries.