According to empirical studies, the relation between the relative wage of skilled workers and their relative supply is U-shaped. This finding is explained by the effect of technological change on the incentives for humancapital investments made by heterogeneous individuals. -- Wage inequality ;...

To examine how human capital accumulation influences both economic growth and income inequality, we carefully endogenize the demand and supply of skills. We explicitly introduce the costs and externalities in education, and examine how both relate to learning-by-doing and R&D intensity. In...

This paper presents a simple framework that illustrates the link between skill-based wage differentiation and human capital acquisition given skill-biased technical progress. The analysis points to the economic costs resulting from labor market and income redistribution policies that prevent the...