A cluster is a geographically proximate group of interconnected companies and associated institutions in particular fields, linked by commonalities and complementarities.
Michael Porter. The Competitive Advantage of Nations. 1990
Clusters enable “open innovation”, the creation and refinement of new ideas in networks of cooperating companies and institutions. They also lower the barriers for transforming new ideas into businesses and capturing the benefits of globalisation.
Clusters enable in particular SMEs to take advantage of the new opportunities in the global economy and they become key factors in attracting capital, people, and knowledge.