Modeling Tacit Collusion in Auctions
We study tacit collusion, which we interpret as collusion without communication about strategies, in repeated auctions in which bidders can only observe past winners and not their bids. Strategies cannot discriminate among initially nameless bidders until they have become named through winning an auction. We obtain two classes of results: (1) Completely refraining from using names rules out collusion altogether, and even if naming is permitted, as per our definition of tacit collusion, the lack of communication limits collusive strategies and payoffs among impatient bidders. (2) Sufficiently patient bidders can overcome the attainability constraints imposed by lack of communication and obtain approximately the same collusive gain as absent communication.
Volume (Year): 164 (2008)
Issue (Month): 1 (March)
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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.:
- Andreas Blume, 1998.
"Coordination and Learning with a Partial Language,"
CIG Working Papers
FS IV 98-11, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG).
- Robert Aumann & Adam Brandenburger, 2014.
"Epistemic Conditions for Nash Equilibrium,"
World Scientific Book Chapters,
in: The Language of Game Theory Putting Epistemics into the Mathematics of Games, chapter 5, pages 113-136
World Scientific Publishing Co. Pte. Ltd..
- Athey, Susan & Bagwell, Kyle, 2001.
"Optimal Collusion with Private Information,"
RAND Journal of Economics,
The RAND Corporation, vol. 32(3), pages 428-65, Autumn.
- Bhaskar, V., 2000. "Egalitarianism and Efficiency in Repeated Symmetric Games," Games and Economic Behavior, Elsevier, vol. 32(2), pages 247-262, August.
- Abreu, Dilip & Pearce, David & Stacchetti, Ennio, 1986. "Optimal cartel equilibria with imperfect monitoring," Journal of Economic Theory, Elsevier, vol. 39(1), pages 251-269, June.
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