We examine a dynamic model of English auctions with independent private values. There is a single object for sale and it is not possible for the seller, who has a value of zero for the object, to commit not to sell in the future if a sale is not accomplished today. The seller may be able to commit to a reserve price, or make a cheap-talk announcement of a reserve price and secretly bid for the object herself in order to re-auction it in a later round with a new set of bidders. Bidders are "short-lived" in the sense that at the end of each round all existing bidders vanish and new bidders start arriving. This framework allows us to obtain existing results for one shot-auctions as special cases. This framework also allows us to capture some of the features of thick internet auctions and to obtain some new insights on the role of commitment, on optimal length and on socially optimal reserve prices that are not apparent from a one-shot auction perspective.
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Paper provided by Rice University, Department of Economics in its series Working Papers with number
2003-15.
Find related papers by JEL classification: D44 - Microeconomics - - Market Structure and Pricing - - - Auctions
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
R. Preston McAfee & Daniel Vincent, 1994.
"Sequentially Optimal Auctions,"
Discussion Papers
1104, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
[Downloadable!]
Riley, John G & Samuelson, William F, 1981.
"Optimal Auctions,"
American Economic Review,
American Economic Association, vol. 71(3), pages 381-92, June.
[Downloadable!] (restricted)
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