We compare the standard one-bid first price auction to a corresponding two-bid first price auction where each buyer may place two bids: a high bid and a low one and the winner pays his low bid if this was higher than all other bids. We characterize the equilibria of the two mechanisms and prove...

This paper examines experimentally the effect of a different payment mechanism in the case of a tie on an agent's willingness to pay (WTP) in a winner-take-all contest. We examine how a small chance to pay tax in case of a tie affects the contest's bids. Our hypothesis is that the tax payment is...