This paper analyses the differential impact of human capital, in terms of different levels of schooling, on regional productivity and convergence. The potential existence of geographical spillovers of human capital is also considered by applying spatial panel data techniques. The empirical...

pt. 1. Regional innovation systems, agglomeration economies and knowledge spillovers : theoretical approaches -- pt. 2. Regional innovation systems, agglomeration economies and knowledge spillovers : empirical studies -- pt. 3. Regional economic growth and knowledge.