3Hauknes J, Knell M. Embodied Knowledge and Sector Linka ges: An Input-Output Approach to the Interaction of Highand Low-Tech Industries[J]. Research Policy, 2008, RE SPOL-2232:1-11.
4Macphersn A. Producer Service Linkages and Industrial Innovation: Results of a Twelve-year Tracking Study of New York State Manufacturers[J]. Growth and Change, 2008(1) : 23-35.
5Hirschman A O. The strategy of development[M]. Yale University Press, New Haven, 1958.
6Krugman P. Increasing Returns and Economic Geography. Journal of Political Economy[J], 1991 (3) : 483-499.
7Ellison G, Glaeser El. geographic concentration in US manufacturing industries: a dartboard approach[J]. Journal of Comparative Economics, 1997, (29).
8Browing, Singelman. The Emergence of a Service Society[M]. Springfield, 1975.
