5Porter M E. Competitive advantage[J]. Planning, 1991, 24(4).
6Harris T L, Kotler P. Value-added public relations: The secret weapon of integrated marketing[M]. Lincolnwood, IL: NTC Business Books, 1998.
7Michael Morris et al. The entrepreneur's business model:toward unified perspective [J]. Journal of Business Research,2003 (6): 726-735.
8Osterwalder, Pigneur,Tucci. Clarifying business model : origin, pre- sent and future of the concept [J]. Communications of the Association for Information Systems, 2005 ( 15 ): 1-25.
9Akerlof G. The Market for"Lemons": Quality Uncertainty and the Market Mechanism [J].The Quarterly Journal of Economics, 1970 (3): 488-500.
10Zott C ,Amit R. Business model design: an activity system persp- ective[J]. Long Range Planning, 2010, 43(2): 216-226.
