University-industry knowledge transfer is nowadays a very fashionable research subject, both in economics, and in management and policy studies. "Distance" between the two realms of academic and industrial research has been increasingly called in to explain the extent at which the academic...

In this paper we exploit new data on US inventors in Organic Chemistry, Pharmaceuticals, and Biotechnology to revisit the JTH test of the localization of knowledge spillovers (Jaffe, Trajtenberg, and Henderson; 1993). We find that inventors who patent across different companies contribute...

We investigate the scientific productivity of Italian academic inventors, namely academic researchers designated as inventors on patent applications to the European Patent Office, 1978-1999. We use a new longitudinal data set comprising 299 academic inventors, and as many matching controls...

Based on longitudinal data for a matched sample of 592 Italian academic inventors and controls, the paper explores the impact of patenting on university professors’ scientific productivity, as measured by publication and citation counts. Academic inventors (university professors who appear as...

The paper provides a reassessment of arguments and tests in support of the existence and magnitude of localized knowledge spillovers proposed by Jaffe, Trajtenberg and Henderson (1993). We use information in patents to control for the mobility of inventors across companies and space, as well as...

The paper provides a contribution to the recent debate about targets and effectivenessof network policies at the EU level, by presenting a detailed analysis of the large R&D network that has emerged over Framework Programmes. Social network analysis and graph theory are employed to describe...

This paper examines whether location in strong industrial clusters translates into a higher probability of innovating. A firm-level analysis of the UK and Italy is performed. Innovative activities of firms (European patent data for 1988-98) are related to regional employment, other...

This article provides a critical discussion of the recent econometric literature on "localised knowledge spillovers" and the related notion of tacit knowledge. The basic claim of the article is that the increasing, and more or less automatic reliance of industrial geographers upon such...