8Mike Raco. Competition, collaboration and the new industrial districts: examining the institutional turn in local economic development [ J ]. Urban Studies, 1999,36 (5/6) : 951 -968.
9Porter M E. Location competition and economic development :local clusters in a global economy [ J ]. Economic Development Quarterly, 1991,14( 1 ) : 15 -35.
10Porter M. The Competitive Advantage of Nations [ M ]. New York: The Free Press, 1990.
