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Picking the Winners

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Author Info
Pablo Amorós () (Department of Economic Theory, Universidad de Málaga)

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Abstract

We analyze the problem of choosing the w contestants who will win a competition within a group of n>w competitors when all jurors commonly observe who are the w best contestants but may be biased. We study conditions on the configuration of the jury so that it is possible to induce the jurors to always choose the best contestants, whoever they are. If the equilibrium concept used by the jurors is dominant strategies, the necessary and sufficient conditions incorporate very strong informational requirements on the mechanism designer. If we relax the equilibrium concept to Nash or subgame perfect equilibria the necessary and sufficient conditions are less demanding. Moreover, these conditions are also necessary for any other equilibrium concept. Finally, we study one specific application: we propose a simple and natural mechanism for the case where each juror is biased in favor of one and only one (different) contestant.

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File URL: http://webdeptos.uma.es/THEconomica/malagawpseries/Papers/METCwp2009-2.pdf
File Format: application/pdf
File Function: First version, 2009
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Publisher Info
Paper provided by Universidad de Málaga, Department of Economic Theory, Málaga Economic Theory Research Center in its series Working Papers with number 2009-2.

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Length: 32 pages
Date of creation: Jun 2009
Date of revision:
Handle: RePEc:mal:wpaper:2009-2

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Related research
Keywords: Mechanism design; Social choice;

Find related papers by JEL classification:
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
D78 - Microeconomics - - Analysis of Collective Decision-Making - - - Positive Analysis of Policy-Making and Implementation

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This page was last updated on 2009-11-9.

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