2MICHAEL E PORTER. The Competitive Advantage of Nations[M]. The Free Press, 1990.
3MICHAEL E PORTER. Clusters and the new economies of competition [J]. Harvard Business Review, 1998, Nov.
4AUDRETSCH D B. Agglomeration and the Location of Innovation Activity [J]. Oxford Review of Economic Policy, 1998, 14:18-29.
5JAFFE A, TRAJTENBERG M, HENDERSON R. Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations [J]. The Quarterly Journal of Economics, 1993, 63:577 -598.
6SAXENNIAN A. Regional Advantage: Culture and Competition in Silicon Valley and Route 128 [M]. Harvard University Press, Cambridge, 1994.