Hogan, Seamus; Meriluoto, Laura - Department of Economics and Finance, College of … - 2010
standard regularity condition is that the survivor function of the distribution be log concave. In an auction where the seller … sets a fixed price, the equivalent condition requires log concavity of a survivor function derived from the primitive … distribution. In this note we show that log concavity of the primitive survivor function implies log concavity in the derived …