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Whom should we believe? Aggregation of heterogeneous beliefs

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  • Christian Gollier

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File URL: http://hdl.handle.net/10.1007/s11166-007-9021-x
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Bibliographic Info

Article provided by Springer in its journal Journal of Risk and Uncertainty.

Volume (Year): 35 (2007)
Issue (Month): 2 (October)
Pages: 107-127

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Handle: RePEc:kap:jrisku:v:35:y:2007:i:2:p:107-127

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Web page: http://www.springerlink.com/link.asp?id=100299

Related research

Keywords: Aggregation of beliefs; State-dependent utility; Efficient risk sharing; Disagreement; Asset pricing; Portfolio choices; D81; D83;

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References

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  1. Miles S. Kimball, 1989. "Precautionary Saving in the Small and in the Large," NBER Working Papers 2848, National Bureau of Economic Research, Inc.
  2. Itzhak Gilboa & Dov Samet & David Schmeidler, 2001. "Utilitarian Aggregation of Beliefs and Tastes," Game Theory and Information 0105001, EconWPA.
  3. Clotilde Napp & Elyès Jouini, 2007. "Consensus consumer and intertemporal asset pricing with heterogeneous beliefs," Post-Print halshs-00152348, HAL.
  4. Jouini, Elyès & Napp, Clotilde, 2007. "Consensus Consumer and Intertemporal Asset Pricing with Heterogeneous Beliefs," Economics Papers from University Paris Dauphine 123456789/78, Paris Dauphine University.
  5. Abel, Andrew B., 2002. "An exploration of the effects of pessimism and doubt on asset returns," Journal of Economic Dynamics and Control, Elsevier, vol. 26(7-8), pages 1075-1092, July.
  6. Karni, Edi, 1993. "A Definition of Subjective Probabilities with State-Dependent Preferences," Econometrica, Econometric Society, vol. 61(1), pages 187-98, January.
  7. Napp, Clotilde & Jouini, Elyès, 2006. "Aggregation of Heterogeneous Beliefs," Economics Papers from University Paris Dauphine 123456789/80, Paris Dauphine University.
  8. Clotilde Napp & Elyès Jouini, 2006. "Aggregation of Heterogeneous Beliefs," Post-Print halshs-00151562, HAL.
  9. Lucas, Robert E, Jr, 1978. "Asset Prices in an Exchange Economy," Econometrica, Econometric Society, vol. 46(6), pages 1429-45, November.
  10. Thibault Gajdos & Jean-Marc Tallon & Jean-Christophe Vergnaud, 2005. "On the impossibility of preference aggregation under uncertainty," Cahiers de la Maison des Sciences Economiques v05012, Université Panthéon-Sorbonne (Paris 1).
  11. Karni, Edi & Schmeidler, David, 1993. "On the Uniqueness of Subjective Probabilities," Economic Theory, Springer, vol. 3(2), pages 267-77, April.
  12. Stephen G. Cecchetti & Pok-sang Lam & Nelson C. Mark, 1998. "Asset Pricing with Distorted Beliefs: Are Equity Returns Too Good To Be True?," NBER Working Papers 6354, National Bureau of Economic Research, Inc.
  13. Laurent Calvet & Jean-Michel Grandmont & Isabelle Lemaire, 2001. "Aggregation of Heterogenous Beliefs and Asset Pricing in Complete Financial Markets," Working Papers 2001-01, Centre de Recherche en Economie et Statistique.
  14. Christian Gollier, 2003. "Collective Risk-Taking Decisions with Heterogeneous Beliefs," CESifo Working Paper Series 909, CESifo Group Munich.
  15. Rubinstein, Mark, 1974. "An aggregation theorem for securities markets," Journal of Financial Economics, Elsevier, vol. 1(3), pages 225-244, September.
  16. Hylland, Aanund & Zeckhauser, Richard J, 1979. "The Impossibility of Bayesian Group Decision Making with Separate Aggregation of Beliefs and Values," Econometrica, Econometric Society, vol. 47(6), pages 1321-36, November.
  17. MONGIN, Philippe, 1993. "Consistent Bayesian Aggregation," CORE Discussion Papers 1993019, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  18. Gollier Christian, 1995. "The Comparative Statics of Changes in Risk Revisited," Journal of Economic Theory, Elsevier, vol. 66(2), pages 522-535, August.
  19. Susan Athey, 2002. "Monotone Comparative Statics Under Uncertainty," The Quarterly Journal of Economics, MIT Press, vol. 117(1), pages 187-223, February.
  20. Nau, Robert F, 1995. "Coherent Decision Analysis with Inseparable Probabilities and Utilities," Journal of Risk and Uncertainty, Springer, vol. 10(1), pages 71-91, January.
  21. Hayne E. Leland., 1979. "Who Should Buy Portfolio Insurance?," Research Program in Finance Working Papers 95, University of California at Berkeley.
  22. repec:hal:journl:halshs-00193578 is not listed on IDEAS
  23. Athey, Susan, 2002. "Monotone Comparative Statics Under Uncertainty," Scholarly Articles 3372263, Harvard University Department of Economics.
  24. Constantinides, George M, 1982. "Intertemporal Asset Pricing with Heterogeneous Consumers and without Demand Aggregation," The Journal of Business, University of Chicago Press, vol. 55(2), pages 253-67, April.
  25. Christian Gollier, 2004. "The Economics of Risk and Time," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262572249, December.
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Citations

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Cited by:
  1. He, Xue-Zhong & Treich, Nicolas, 2013. "Heterogeneous Beliefs and Prediction Market Accuracy," LERNA Working Papers 13.05.392, LERNA, University of Toulouse.
  2. Elyès Jouini & Clotilde Napp & Diego Nocetti, 2013. "Collective risk aversion," Post-Print halshs-00559137, HAL.
  3. Jouini, Elyès & Napp, Clotilde, 2009. "Unbiased Disagreement and the Efficient Market Hypothesis," Economics Papers from University Paris Dauphine 123456789/3495, Paris Dauphine University.
  4. Xue‐Zhong He & Lei Shi, 2012. "Boundedly rational equilibrium and risk premium," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 52(1), pages 71-93, 03.
  5. Laure Cabantous & Denis Hilton & Howard Kunreuther & Erwann Michel-Kerjan, 2011. "Is imprecise knowledge better than conflicting expertise? Evidence from insurers’ decisions in the United States," Journal of Risk and Uncertainty, Springer, vol. 42(3), pages 211-232, June.

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