Efficient and Stable Collective Choices under Crowding Preferences
AbstractWe consider a set of agents who have to choose one alternative among a finite set of social alternatives. A final allocation is a pair given by the selected alternative and the group of its users. Agents have crowding preferences over allocations: between any pair of allocations with the same alternative, they prefer the allocation with the largest number of users. We require that a decision be efficient and stable (which guarantees free participation in the group of users and free exit from it). We propose a two-stage sequential mechanism whose unique subgame perfect equilibrium outcome is an efficient and stable allocation which also satisfies a maximal participation property. The social choice function implemented by the proposed mechanism is also anonymous and group stable.
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Bibliographic InfoPaper provided by Barcelona Graduate School of Economics in its series Working Papers with number 148.
Date of creation: Nov 2004
Date of revision:
Public Goods; Crowding Preferences; Subgame Perfect Implementation;
Other versions of this item:
- Jordi MassÃ³ & Antonio NicolÃ², 2004. "Efficient and Stable Collective Choices under Crowding Preferences," UFAE and IAE Working Papers, Unitat de Fonaments de l'AnÃ lisi EconÃ²mica (UAB) and Institut d'AnÃ lisi EconÃ²mica (CSIC) 638.04, Unitat de Fonaments de l'AnÃ lisi EconÃ²mica (UAB) and Institut d'AnÃ lisi EconÃ²mica (CSIC).
- D62 - Microeconomics - - Welfare Economics - - - Externalities
- D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
- H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
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.:
- M. Sanver, 2006. "Nash implementing non-monotonic social choice rules by awards," Economic Theory, Springer, Springer, vol. 28(2), pages 453-460, 06.
- Dolors Berga & Gustavo BergantiÃ±os & Jordi MassÃ³ & Alejandro Neme, 2003.
"On exiting after voting,"
Estudios de Economia, University of Chile, Department of Economics,
University of Chile, Department of Economics, vol. 30(2 Year 20), pages 261-288, December.
- Berga, Dolors & BergantiÃ±os, Gustavo & MassÃ³, Jordi & Neme, Alejandro, 2003. "On Exiting after Voting," Working Papers of the Department of Economics, University of Girona, Department of Economics, University of Girona 6, Department of Economics, University of Girona.
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