This paper reviews a set of recent studies that have attempted to measure the causal effect of education on labor market earnings by using institutional features of the supply side of the education system as exogenous determinants of schooling outcomes. A simple theoretical model that highlights...

This paper presents a survey and interpretation of recent research on the return to education. The empirical findings in a series of current papers suggest that the causal effect of education on earnings is understated by standard estimation methods. Using a simple model of optimal schooling...