Collective learning and knowledge development in the evolution of regionalclusters of high technology SMEs in Europe

This paper outlines the aims and objectives of the TSER Network on Networks , Collective Learning and Research and Technology Development in Regionally Clustered High Technology Small and Medium Sized Enterprises (SMEs), and c onsiders evolutionary trajectories of European regional clusters of such SM Es in the 1980s. It reviews the development of ideas concerning regional cl ustering, from Marshall's industrial districts, through innovative milieux, to notions of regional untraded interdependencies, networks and collective learning. Particular attention is paid to how firms and regions develop co mpetences and new knowledge as the basis for successful innovation. It conc ludes by outlining the focus of individual papers.