Common Value Auctions With Asymmetric Bidder Information
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Common Value Auctions with Asymmetric Bidder Information
We study common value auctions with two asymmetrically informed bidders using a simple binary model. A unique, generically asymmetric, mixed-strategy equilibrium exists for the first-price auction. Bidders get positive payoffs, with a superiorly informed bidder getting a higher payoff. One of the bidders submits a higher bid than the other on average: aggressive bidding is not necessarily associated with inferiority of information. A continuum of pure-strategy equilibria exist for the second-price auction. If bidders play the unique symmetric equilibrium strategies, second-price auctions are generically revenue-dominant. A change in the degree of asymmetry in general has an ambiguous effect on revenue.
Common Value Auctions and the Winner's Curse
Author: John H. Kagel
language: en
Publisher: Princeton University Press
Release Date: 2021-04-13
An invaluable account of how auctions work—and how to make them work Few forms of market exchange intrigue economists as do auctions, whose theoretical and practical implications are enormous. John Kagel and Dan Levin, complementing their own distinguished research with papers written with other specialists, provide a new focus on common value auctions and the "winner's curse." In such auctions the value of each item is about the same to all bidders, but different bidders have different information about the underlying value. Virtually all auctions have a common value element; among the burgeoning modern-day examples are those organized by Internet companies such as eBay. Winners end up cursing when they realize that they won because their estimates were overly optimistic, which led them to bid too much and lose money as a result. The authors first unveil a fresh survey of experimental data on the winner's curse. Melding theory with the econometric analysis of field data, they assess the design of government auctions, such as the spectrum rights (air wave) auctions that continue to be conducted around the world. The remaining chapters gauge the impact on sellers' revenue of the type of auction used and of inside information, show how bidders learn to avoid the winner's curse, and present comparisons of sophisticated bidders with college sophomores, the usual guinea pigs used in laboratory experiments. Appendixes refine theoretical arguments and, in some cases, present entirely new data. This book is an invaluable, impeccably up-to-date resource on how auctions work--and how to make them work.
Putting Auction Theory to Work
Author: Paul Milgrom
language: en
Publisher: Cambridge University Press
Release Date: 2004-01-12
This book provides a comprehensive introduction to modern auction theory and its important new applications. It is written by a leading economic theorist whose suggestions guided the creation of the new spectrum auction designs. Aimed at graduate students and professionals in economics, the book gives the most up-to-date treatments of both traditional theories of 'optimal auctions' and newer theories of multi-unit auctions and package auctions, and shows by example how these theories are used. The analysis explores the limitations of prominent older designs, such as the Vickrey auction design, and evaluates the practical responses to those limitations. It explores the tension between the traditional theory of auctions with a fixed set of bidders, in which the seller seeks to squeeze as much revenue as possible from the fixed set, and the theory of auctions with endogenous entry, in which bidder profits must be respected to encourage participation.