In the last few decades clusters have become a very attractive concept for economic practice: they are approached as a key source of competitive advantage, mainly in connection with their capacity to be critical drivers of innovation which is heavily concentrated from a geographical viewpoint. As argued by the European Cluster Memorandum (European Cluster Alliance, 2007), clusters stimulate the emergence of new ideas in networks of cooperating business firms and institutions, lowering the barriers for transforming new ideas into businesses. In line with this overall orientation the strong cluster support offered by the EU has been conceived in tight relation to those cohesion policy programmes aiming at fostering regional innovation and knowledge-based networks. Indeed, in the last two decades there has been shown to be enormous concern with growth based on science and innovation, with a special emphasis on technology-intensive activities. Nevertheless, the``obsession with high-tech industries'' (Trippl, 2010, page 193) has begun to encounter sharp criticism by several authorsöthe idea that medium-tech and low-tech industries could also be innovative and could provide substantial impulse to regional growth is getting more attention (