Since Solow’s (1957) contribution, human capital entered in the debate on economic growth as a leading long period development factor. If from a theoretical point of view the role of human capital on economic growth both directly or throughout its use in the R&D activities is fully accepted,...

The role of innovation for global competition as well as its influence upon economic growth have gradually increased the interest for this subject, both from an economic and from a political point of view. Basing on the existing literature, this paper aims at measuring and describing the...