7AUDRETSCH D B, THURIK A R. What is new about the new economy: sources of growth in the managed and entrepreneurial economies [ J ]. Industrial and corporate chang, 2001 ( 19 ) : 195-201.
8HERBIG P, GOLDEN J, DUNPHY S. The relationship of struc- ture to entrepreneurial and innovative success [ J ]. Marketing in- telligence and planning, 1994 ( 9 ) : 37-48.
9AUDRETSCH D B, Thurik A R. Sources of growth: the entre- preneurial versus the managed economy[ J ]. General information, 1997(9) : 24-35.
