Identify key literature on the topic
													
													 Porter, Michael Location, Competition, and Economic Development: Local Clusters in a Global Economy|journal=Economic Development Quarterly, vol 14, no.1, 2000 [1]
 Porter, M. E. 1998, Clusters and the new economics of competition, Harvard Business Review, 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.