We build a model where homogeneous workers can accumulate human capital by investing in education. Schools combine public resources and individual effort to generate productive skills. If skills are imperfectly compensated, then in equilibrium students may under-invest in effort. We examine the...

We propose a model of schooling that can account for the observed heterogeneity in workers' productivity and educational attainment. Identical unskilled agents can get a degree at a cost, but becoming skilled entails an additional unobservable effort cost. Individual labor can then be used as an...