4Akerlof, G A. (1976), "Reply to Professor Heal", Quarterly Journal of Economics 90: 503.
5Bond, E W. (1982), "A direct test of the ' lemons' model:The market for used pickup trucks", American Economic Review 72:836-840.
6Chezum, B & B Wimmer (1997), "Roses or lemons: Adverse selection in the market for thoroughbred yearlings", Review of Economics & Statistics 79:521 - 526.
7Choi,S Y , D O Stahl & A B Whinston (1997),The Econtmaies of Electronic Commerce, Macmillan Technical Publishing,Indianapolis.
8Grossman, S J , J E Stiglitz(1980), "On the impossibility of informational efficient markets", American Economic Review 70(3) :393 - 408.
9Heal,G. (1976), "Do bad products drive out good?" Quarterly Journal of Economics 90:499 - 502.
10Hendel, L & A Lizzeri (1999), "Adverse selection in durable goods markets", American Economic Review 1989:1097- 1115.