be risk averse, (ii) the bidders can have heterogeneous risk preferences, and (iii) the auction can have a binding … reserve price. Our analysis reveals that the premium has an intricate joint effect on risk sharing and expected revenue, which … in general benefits risk averse bidders. When the seller is more risk averse than the pivotal bidder - a condition often …

contest experiments- (i) overbidding relative to the standard Nash equilibrium prediction and (ii) heterogeneous behavior of … ex-ante symmetric contestants. Based on the sample of contest experiments that we review, the median overbidding rate is … 72%. We provide different explanations for the overbidding phenomenon, including bounded rationality, utility of winning …