6Mathieu.Product Services:FromA Senrice Supporting the Producttoa Service Supportingthe Client.Journal of Business&Industrial Marketing,2001,Vol.16,(1),pp.39-58.
7植草益.产业组织论[M].北京:中国人民大学出版社,1988..
8Lerner, A. P.. The Concept of Monopoly and the Measurement of Monopoly Power[ J]. 1(3) :157 -175.
9Liebeler, W.J.. Market Power and Competitive Superiority in Concentrated Industries[J]. UCLA Law Review, 1978,25: 1231 - 1235.
10Landes, W.M. , Posner R. A.. Market Power in Antitrust Cases[J]. HARVARD Law Review, 1981,94(5) :937.