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Efficient Ex Post Implementable Auctions and English Auctions for Bidders with Non-Quasilinear Preferences
| Content Provider | Semantic Scholar |
|---|---|
| Author | Baisa, Brian Burkett, Justin |
| Copyright Year | 2019 |
| Abstract | Abstract We study efficient auction design for a single indivisible object when bidders have interdependent values and non-quasilinear preferences. Instead of quasilinearity, we assume only that bidders have positive wealth effects. Our setting nests cases where bidders are ex ante asymmetric, face financial constraints, are risk averse, and/or face ensuing risk. We give necessary and sufficient conditions for the existence of an ex post implementable and (ex post Pareto) efficient mechanism. These conditions differ between the standard case where the auctioneer is a seller and when the auctioneer is a buyer (a procurement auction). When the auctioneer is a seller, there is an efficient ex post implementable mechanism if there is an efficient ex post implementable mechanism in a corresponding quasilinear setting. This result extends established results on efficient ex post equilibria of English auctions with quasilinearity to our non-quasilinear setting. Yet, in the procurement setting there is no mechanism that has an efficient ex post equilibrium if the level of interdependence between bidders is sufficiently strong. This result holds even if bidder costs satisfy standard single crossing conditions that are sufficient for efficient ex post implementation in the quasilinear setting. |
| Starting Page | 227 |
| Ending Page | 246 |
| Page Count | 20 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/j.jmateco.2019.03.001 |
| Volume Number | 82 |
| Alternate Webpage(s) | https://www.amherst.edu/system/files/Baisa%20-%20Burkett%20-%20Eff%20Ex%20Post%20Auctions%20w%20o%20Q-L.pdf%20.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
