Arundel, Anthony; Geuna, Aldo - In: Economics of Innovation and New Technology 13 (2004) 6, pp. 559-580
firms to explore the effect of proximity on knowledge flows from affiliated firms, suppliers, customers, joint ventures … among the most important sources of technical knowledge for the innovative activities of Europe's largest industrial firms …), we use the unique information from the PACE survey on the geographic location of knowledge sources and the methods used …