We study the existence of efficient, Bayesian incentive compatible allocation procedures in a general setting with interdependent valuations. Possible applications include multi-object auctions and the provision of public goods. We emphasize the role of multidimensional signals, and, in view of applications, we allow for both informational and allocative externalties. The main result can exist only when private and social rates of information substitution are equal. This condition cannot be generically satisfied. We also discuss the one-dimensional case, and show that efficient implementation is there possible.
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Paper provided by Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim in its series Sonderforschungsbereich 504 Publications with number
98-22.
Length: 30 pages Date of creation: 01 Jan 1998 Date of revision: Handle: RePEc:xrs:sfbmaa:98-22
Note: Financial Support from the Deutsche Forschungsgemeinschaft, SFB 504, at the University of Mannheim, is gratefully acknowledged. We wish to thank Eric Maskin for valuable comments. Contact details of provider: Postal: D-68131 Mannheim Phone: (49) (0) 621-292-2547 Fax: (49) (0) 621-292-5594 Email: Web page: http://www.sfb504.uni-mannheim.de/ More information through EDIRC
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