A human subject laboratory experiment compares the real-time market performance of the two most popular auction formats … configurations and is statistically significant in most treatments. Revenue capture tends to be similar across auction formats in …

such procurement is an English auction followed by an auctioneer's option to engage in ultimatum bargaining with the winner … equilibrium strategy of exiting the auction at their costs and then accepting strictly profitable offers. Buyers generally … with auction prices when they should be invariant. We explain this deviation by modeling buyers' subjective posteriors …

We conduct an experiment in which we auction the scarce rights to play the Proposer and Responder positions in … fees according to the auction price sequences observed in the auction treatment. With endogenous selection into ultimatum … games via auctions, we find that play converges to a session-specific Nash equilibrium and auction prices emerge which …

) on equilibrium prices, allocative efficiency and bidding behavior in a (supply-side) uniform-price multi-unit auction …

in the second auction. We also study the impact of different information revelation policies regarding the provision of … the first auction bidding history to the seller. The experimental data confirm that shill bidding in the second auction … second auction does increase the bidders' final bid in the first auction. However, providing the seller with the bidding …