7Armstrong, M. Competition in Two-sided Markets[J]. Rand Journal of Economics,2006, (37).
8Chu Wujin. Demand Signaling and Screening in Channels of Distribution[J]. Marketing Science, 1992, 11 (4).
9Cova, B. The Postmodern Explained to Managers: Implications for Marketing[J]. Business Horizons, 1996,39(6).
10Deloitte & Touche. Managing the Process of Introducing and Deleting Products in the Grocery and Drug Industry[M]. Washington, D.C. :Grocery Manufacturers of America, 1990.