1[1]John Fingleton.(1997). "Competition Between Intermediated and Direct Trade and the Timing of Distintermediation". Oxford Economic Papers, 49, 543~ 556.
2[2]Soon-Yong choi, Dale O. Stahl, Andrew E. Whinston. (1997). The Economics of Electronic Commerce, Macmiooan Technical Publishing, Indianapolis, Indiana.
3[3]Andreu Mas-Colell, Michael D. Whinston and Jerry R.Green. (1995). Microeconomic Theory, OxfordUniversity Press, New York.
4Akerlof, George A. The market for 'lemon' : qualitative uncertainty and the market mechanis [J]. Quarterly Journal of Economics,Vol.84, 1970: 488-500.
2Clemons, Hitt, Snir. A risk Analysis Framework for In- formation Techonolgy Outsourcing[EB]. http://tecom.cox. smu.edu/esnir/Outsourcing.pdf. 2000.
3Mark Steckbeck, Peter Boettke. TURNING LEMONS INTO LEMONADE: Entrepreneurial Solutions to Adverse Selection Problems in E-Commerce[A]. Third Annual Conference of the Association of Historians of the Austrian Tradition in Economic Thought, Pisa Lucca, 2001, (5): 24-26.
4Gerge.Akerlof. The Market for 'Lemon' : Qualitative Un- certainty and the Market Mechanism [J]. Quarterly Journal of Economics, 1970, (84): 488-500.