We consider collective choice problems where a set of agents have to choose an alternative from a finite set and agents may or may not become users of the chosen alternative. An allocation is a pair given by the chosen alternative and the set of its users. Agents have gregarious preferences over allocations: given an allocation, they prefer that the set of users becomes larger. We require that the final allocation be efficient and stable (no agent can be forced to be a user and no agent who wants to be a user can be excluded). 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.
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Volume (Year): 64 (2008) Issue (Month): 2 (November) Pages: 591-611 Download reference. The following formats are available: HTML
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Dolors Berga & Gustavo Bergantiños & Jordi Massó & Alejandro Neme, 2003.
"On exiting after voting,"
Estudios de Economia,
University of Chile, Department of Economics, vol. 30(2 Year 20), pages 261-288, December.
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