We study auction design when parties cannot commit themselves to the mechanism. The seller may change the rules of the game and the buyers choose their outside option at all stages. We assume that the seller has a leading role in equilibrium selection at any stage of the game. Stationary...

We examine bidding motives in discrete-point unique bid auctions in a laboratory setting. In lowest (highest) unique bid auctions, the participant with the lowest (highest) unique bid wins the auction. We posit two sets of motives in this type of auctions - a winning motive that is driven by the...