5Hector O. Rocha,Rolf Sternberg.Entrepreneurship: The Role of Clusters Theoretical Perspectives and Empirical Evidence from Germany[J]. Small Business Economics . 2005 (3)
6Peter Lindel?f,Hans L?fsten.Proximity as a Resource Base for Competitive Advantage: University–Industry Links for Technology Transfer[J]. The Journal of Technology Transfer . 2004 (3-4)
7Hans Westlund,Roger Bolton.Local Social Capital and Entrepreneurship[J]. Small Business Economics . 2003 (2)
8Helper S.Comparative supplier relations in the US and Japanese auto industries:an exit-voice approach. Busi-ness Economic History . 1990
9Romo F P,Schwartz W.The structural embeddedness of business decisions:the migration of manufacturingplants in New York state,1960-1985. American Sociologist . 1995
10Deeds D,etal.The determinants of research productivity in high technology ventures:an empirical analysis of newbiotechnology firms. Journal of Business . 2000
