We use patent citation networks to study the dynamics of technical change in Ethernet, a standard for data communication. We first consider the evolution of the broad technological system of local area networks (LANs) and we identify the most significant inventions within the specific subfield...

We use the results of the policies, appropriation and competitiveness in Europe (PACE) 1993 survey of Europe's largest firms to explore the effect of proximity on knowledge flows from affiliated firms, suppliers, customers, joint ventures, competitors and public research organisations to...

This paper addresses an issue that has been largely ignored so far in the empirical literature on the role of patents in university-industry knowledge transfer: does it matter who owns the patents on university research? We observe that especially in Europe, many patents in which university...

This article examines the knowledge bases of the world's largest pharmaceutical groups by sales. It builds upon the concepts of knowledge specialisation and knowledge integration as the relevant dimensions along which knowledge bases can be mapped. The former is studied developing indicators of...