Identify key literature on the topic
Porter,Michael Location, Competition, and Economic Development: Local Clusters in aGlobal Economy|journal=Economic Development Quarterly, vol 14, no.1, 2000 [1]
Porter, M.E. 1998, Clusters and the new economics of competition, Harvard BusinessReview, Nov/Dec98, Vol. 76 Issue 6
Porter, M.E.(1990). The Competitive Advantage of Nations. New York: The Free Press.
Krugman, P.(1991). Geography and Trade. MIT Press.
Porter,Michael (1998). On Competition. Boston: Harvard Business School Press.