We consider a two stage model of doping in sport in which athletes choose how much to dope and then how much effort to exert. Payoffs are determined by an all-pay auction where the bid or score depends on ability, doping and effort. In a very general setting we show that, in equilibrium, those...

We report an experiment on a decision task by SAMUELSON and BAZERMAN (1985). Subjects submit a bid for an item with an unknown value. A winner s curse phenomenon arises when subjects bid too high and make losses. Learning direction theory can account for this. However, other influences on...

In spring 2000, the British government auctioned off licences for Third Generation mobile telecommunications services. In the preparation of the auction, two designs involving each a hybrid of an English and a sealed-bid auction were suggested by the government: a discriminatory and a uniform...