Economists once believed firms do not pay to develop occupational skills that workers could use in other, often competing, firms. Researchers now recognize that most firms benefit from investing in apprenticeship training. Evidence indicates that financial returns to firms vary. Some recoup...

This paper examines the impacts of a wide range of tax provisions on the incentive to invest in human capital, and shows how these effects can be quantified using effective tax rates, or ETRs. For individuals with median earnings, ETRs on the human capital formed in first-degree university study...

This paper studies a model where student effort and talent interact with parental and teachers' investments, as well as with school system resources. The model is rich, yet sufficiently stylized to provide novel implications. It can show, for example, that an improvement in parental outside...