3[5]Porter, M. E. The Competitiue Aduantage of Nations. The free Press, 1990.
4[6]Linsu kim & Richard R. Nelson, Technology, Learning,and Lnnovation: Experiences of Newly Industrialized Economics, Cambridge University press, 2000.
8Panzar, John C and Robert D. Willing. Economic of scale in multi-output production [J ]. Quarterly Journal of Economics 1977, (91): 481-493.
9Baumol, William J, John C. Panzar, and robert D. Willing. Contestable Markets and the Theory of Industry Structre[M]. New York: Harcourt Brace Jovanovich 1982. (preface).
10Dunne, Timothy, Mark roberts, and Larry Samuelson.Patterns of firm entry and exit in U. S manufacturing industries [J]. Rand Journal of Economics 1988, (19):495-515.
