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Are beliefs a matter of taste? A case for objective imprecise information

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  • Raphaël Giraud

    ()

  • Jean-Marc Tallon

    ()

Abstract

We argue, in the spirit of some of Jean-Yves Jaffray's work, that explicitly incorporating the information, however imprecise, available to the decision marker is relevant, feasible and fruitful. In particular, we show that it can lead us to know whether the decision maker has wrong beliefs and whether it matters or not, that it makes it possible to better model and analyze how the decision maker takes into account new information, even when this information is not an event and finally that it is crucial when attempting to identify and measure the decision maker's attitude toward imprecise information.

(This abstract was borrowed from another version of this item.)

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File URL: http://hdl.handle.net/10.1007/s11238-010-9197-4
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Bibliographic Info

Article provided by Springer in its journal Theory and Decision.

Volume (Year): 71 (2011)
Issue (Month): 1 (July)
Pages: 23-31

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Handle: RePEc:kap:theord:v:71:y:2011:i:1:p:23-31

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Web page: http://www.springerlink.com/link.asp?id=100341

Related research

Keywords: Decision under uncertainy; Objective Information; Belief Formation; Methodology of Decision Theory; B41; D80;

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References

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  1. Akerlof, George A & Dickens, William T, 1982. "The Economic Consequences of Cognitive Dissonance," American Economic Review, American Economic Association, vol. 72(3), pages 307-19, June.
  2. Thibault Gajdos & Takashi Hayashi & Jean-Marc Tallon & Jean-Christophe Vergnaud, 2006. "Attitude toward imprecise information," Cahiers de la Maison des Sciences Economiques v06081, Université Panthéon-Sorbonne (Paris 1).
  3. Gilboa, Itzhak & Schmeidler, David, 1989. "Maxmin expected utility with non-unique prior," Journal of Mathematical Economics, Elsevier, vol. 18(2), pages 141-153, April.
  4. Halevy, Yoram, 2005. "Ellsberg Revisited: an Experimental Study," Microeconomics.ca working papers halevy-05-07-26-11-51-13, Vancouver School of Economics, revised 25 Feb 2014.
  5. Nehring, Klaus, 2009. "Imprecise probabilistic beliefs as a context for decision-making under ambiguity," Journal of Economic Theory, Elsevier, vol. 144(3), pages 1054-1091, May.
  6. Ghirardato, Paolo & Maccheroni, Fabio & Marinacci, Massimo, 2004. "Differentiating ambiguity and ambiguity attitude," Journal of Economic Theory, Elsevier, vol. 118(2), pages 133-173, October.
  7. repec:hal:cesptp:halshs-00102346 is not listed on IDEAS
  8. I. Gilboa & A. W. Postlewaite & D. Schmeidler., 2009. "Probability and Uncertainty in Economic Modeling," VOPROSY ECONOMIKI, N.P. Redaktsiya zhurnala "Voprosy Economiki", vol. 10.
  9. Tapking, Jens, 2004. "Axioms for preferences revealing subjective uncertainty and uncertainty aversion," Journal of Mathematical Economics, Elsevier, vol. 40(7), pages 771-797, November.
  10. Thibault Gajdos & Jean-Marc Tallon & Jean-Christophe Vergnaud, 2002. "Decision Making with Imprecise Probabilistic Information," ICER Working Papers - Applied Mathematics Series 18-2003, ICER - International Centre for Economic Research, revised May 2003.
  11. Jonathan A. Parker & Markus K. Brunnermeier, 2004. "Optimal Expectations," Econometric Society 2004 North American Winter Meetings 426, Econometric Society.
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  13. Wojciech Olszewski, 2007. "Preferences Over Sets of Lotteries -super-1," Review of Economic Studies, Oxford University Press, vol. 74(2), pages 567-595.
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  15. Itzhak Gilboa & Andrew Postlewaite & David Schmeidler, 2007. "Probabilities in Economic Modeling," PIER Working Paper Archive 07-023, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
  16. Feldman, M, 1991. "On the Generic Nonconvergence of Bayesian Actions and Beliefs," Economic Theory, Springer, vol. 1(4), pages 301-21, October.
  17. Yann Rébillé, 2005. "Decision making over necessities through the Choquet integral criterion," Cahiers de la Maison des Sciences Economiques b05088, Université Panthéon-Sorbonne (Paris 1).
  18. David Ahn & Syngjoo Choi & Douglas Gale & Shachar Kariv, 2008. "Estimating Ambiguity Aversion in a Portfolio Choice Experiment," Levine's Working Paper Archive 122247000000001989, David K. Levine.
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Citations

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Cited by:
  1. Riedel, Frank & Sass, Linda, 2013. "Ellsberg Games," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 80012, Verein für Socialpolitik / German Economic Association.
  2. repec:hal:cesptp:halshs-00664715 is not listed on IDEAS
  3. Stoye, Jörg, 2011. "Axioms for minimax regret choice correspondences," Journal of Economic Theory, Elsevier, vol. 146(6), pages 2226-2251.
  4. Loïc Berger, 2011. "Smooth Ambiguity Aversion in the Small and in the Large," Working Papers ECARES ECARES 2011-020, ULB -- Universite Libre de Bruxelles.
  5. Giraud, Raphaël, 0. "Second order beliefs models of choice under imprecise risk: non-additive second order beliefs vs. nonlinear second order utility," Theoretical Economics, Econometric Society.
  6. repec:hal:journl:halshs-00664715 is not listed on IDEAS
  7. Michèle Cohen & Alain Chateauneuf & Eric Danan & Thibault Gajdos & Raphaël Giraud & Meglena Jeleva & Fabrice Philippe & Jean-Marc Tallon & Jean-Christophe Vergnaud, 2011. "Tribute to Jean-Yves Jaffray," Theory and Decision, Springer, vol. 71(1), pages 1-10, July.

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