internal rates of return that take into account tuition costs, income taxes and nonlinearities in the earnings …

emergence of differentials in abilities between children of advantaged families and children of disadvantaged families, (c) the …

Do students benefit from compulsory schooling? Researchers using changes in compulsory schooling laws as instruments …

using scores from IQ tests taken outside of school, at the time of military enrolment, and measured when students are around …