The Market for Lemons car. This, in turn, motivates the owners of moderately good cars not to sell, and so on. The result is that a market in which there is asymmetric information with respect to quality shows characteristics similar to those described by Gresham's Law: the bad drives out the good. (Although Gresham's principle applies more specifically to exchange rates, modified analogies can be drawn.) Akerlof considers a situation in which demand "D" for used cars depends on the cars price "p" and quality "µ" = "µ"("p") and the supply depends on price alone. Economic equilibrium is given by "S"("p") = "D"("p","µ") and
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