Empirical evidence suggests that networks of personal relations are important in the micro dynamics of labor markets: even in modern capitalistic economies a high share of jobs are filled by social referrals. This paper aims at shedding light on an apparent puzzle concerning the relationship...

The paper, as such a draft of a chapter for the second edition of the Handbook of Economic Socielogy, Edited by Neil J. Smelser and Richard Swedberg), is meant to offer some sort of roadmap accross a few fields of investigation concerning the relationships between technological learning and...

This paper discusses, first, the properties of scientific and technological knowledge and the institutions supporting its generation and its economic applications. The evidence continues to support the broad interpretation which we call the ʺStanford-Yale-Sussexʺ synthesis. Second, such...