(*), Y. Stephen Chiu (Department of Decision Sciences and Managerial Economics, The Chinese University of Hong Kong, Hong Kong) Ani Dasgupta (Smeal College of Business Administration, Pennsylvania State University, USA)
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A simple version of the Demand Commitment Game is shown to implement the Shapley value as the unique subgame perfect equilibrium outcome for any n-person characteristic function game. This improves upon previous models devoted to this implementation problem in terms of one or more of the following: a) the range of characteristic function games addressed, b) the simplicity of the underlying noncooperative game (it is a finite horizon game where individuals make demands and form coalitions rather than make comprehensive allocation proposals and c) the general acceptability of the noncooperative equilibrium concept. A complete characterization of an equilibrium strategy generating the Shapley value outcomes is provided. Furthermore, for 3 player games, it is shown that the Demand Commitment Game can implement the core for games which need not be convex but have cores with nonempty interiors.
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Inés Macho-Stadler & David Pérez-Castrillo & David Wettstein, 2005.
"Efficient Bidding with Externalities,"
UFAE and IAE Working Papers
641.05, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).
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