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Sharing Beliefs: Between Agreeing and Disagreeing

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Author Info
Billot, A.
Chateauneuf, A.
Gilboa, I.
Tallon, J.-M.

Additional information is available for the following registered author(s):

Abstract

In an exchange economy with no aggregate uncertainty, and Bayesian agents, Pareto optimal allocations provide full insurance if and only if the agents have a common prior. It is hard to explain why there is relatively so little betting taking place. One is led to ask, when are full insurance allocations optimal for uncertainty averse agents? it turns out that commonality of beliefs, appropriately defined, is key again.

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Publisher Info
Paper provided by Université Panthéon-Sorbonne (Paris 1) in its series Papiers d'Economie Mathématique et Applications with number 98.30.

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Length: 22 pages
Date of creation: 1998
Date of revision:
Handle: RePEc:fth:pariem:98.30

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Postal: France; Universite de Paris I - Pantheon- Sorbonne, 12 Place de Pantheon-75005 Paris, France
Web page: http://cermsem.univ-paris1.fr/
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Related research
Keywords: OPTIMIZATION ; UTILITY FUNCTION;

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Find related papers by JEL classification:
D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies

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  1. Marciano Siniscalchi, 2003. "A Behavioral Characterization of Plausible Priors," Levine's Bibliography 234936000000000064, UCLA Department of Economics. [Downloadable!]
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  2. Andreas Pape & Subir Bose & Emre Ozdenoren, 2004. "Optimal auctions with ambiguity," Econometric Society 2004 North American Summer Meetings 609, Econometric Society. [Downloadable!]
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  3. Biung-Ghi Ju, 2003. "Strategy-Proof Risk Sharing," WORKING PAPERS SERIES IN THEORETICAL AND APPLIED ECONOMICS 200305, University of Kansas, Department of Economics, revised Apr 2003. [Downloadable!]
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  4. Atsushi Kajii & Takashi Ui, 2004. "Agreeable Bets with Multiple Priors," KIER Working Papers 581, Kyoto University, Institute of Economic Research. [Downloadable!]
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  5. Atsushi Kajii & Takashi Ui, 2004. "Trade with Heterogeneous Multiple Priors," KIER Working Papers 582, Kyoto University, Institute of Economic Research. [Downloadable!]
  6. Marcello Basili, 2008. "The global strategy to cope with H5N1: the property rights caveat," Department of Economic Policy, Finance and Development (DEPFID) University of Siena 0908, Department of Economic Policy, Finance and Development (DEPFID), University of Siena. [Downloadable!]
  7. Luca Rigotti & Chris Shannon, 2001. "Uncertainty and Risk in Financial Markets," Department of Economics, Working Paper Series 1000, Department of Economics, Institute for Business and Economic Research, UC Berkeley. [Downloadable!]
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  8. Christian Bauer, . "Products of convex measures: A Fubini theorem," Macroeconomics, Department of Economics, Economics I, Bayreuth University. [Downloadable!]
  9. Atsushi Kajii & Takashi Ui, 2007. "Interim Efficient Allocations under Uncertainty," KIER Working Papers 642, Kyoto University, Institute of Economic Research. [Downloadable!]
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  10. Ngai-Ching Wong & Man-Chung Ng, 2004. "The No Trade Principle in General Environments," Econometric Society 2004 Far Eastern Meetings 630, Econometric Society. [Downloadable!]
  11. Chambers, Christopher P. & Echenique, Federico, . "When does aggregation reduce uncertainty aversion?," Working Papers 1299, California Institute of Technology, Division of the Humanities and Social Sciences. [Downloadable!]
  12. Martins-da-Rocha, V. F., 2009. "Interim efficiency with MEU-preferences," Economics Working Papers (Ensaios Economicos da EPGE) 696, Graduate School of Economics, Getulio Vargas Foundation (Brazil). [Downloadable!]
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