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
Good Girl Gone Bad: Reloaded Gone Bad" re-enter several national charts. "Good Girl Gone Bad: Reloaded" sold 63,000 copies in its first week and helped the original album peak at number seven on the US "Billboard" 200 chart. The reissue charted in New Zealand and peaked at number four; it was certified platinum by the Recording Industry Association of New Zealand (RIANZ), denoting shipments of over 15,000 copies. "Good Girl Gone Bad: Reloaded" was promoted with four singles, including the US number-one hits "Take a Bow" and "Disturbia", and "If I Never See Your Face Again", which featured Maroon 5. To further promote the album,