compared to any single-stage auction. Finally we derive the optimal efficient two-stage mechanism. …

We study the role of commitment in a first-price auction environment. We devise a simple two-stage model in which … first-price auction both theoretically and experimentally. While theory suggests that the offers and the auctioneer …'s revenue should be higher in a standard first-price auction compared to the first-price auction with renegotiation, we cannot …

question of the value added of letting the sourcing process consist of both an auction and a negotiation stage, theoretically … and in a laboratory experiment. Our theoretical results suggest that in a setting where the buyer and the suppliers have … auction is beneficial to the buyer compared to no communication and ex-ante communication. In a setting where the buyer and …