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Sharing risk and ambiguity

Author

Listed:
  • Rigotti, Luca
  • Shannon, Chris

Abstract

We study the market implications of ambiguity in common models. We show that generic determinacy is a robust feature in general equilibrium models that allow a distinction between ambiguity and risk.

Suggested Citation

  • Rigotti, Luca & Shannon, Chris, 2012. "Sharing risk and ambiguity," Journal of Economic Theory, Elsevier, vol. 147(5), pages 2028-2039.
  • Handle: RePEc:eee:jetheo:v:147:y:2012:i:5:p:2028-2039
    DOI: 10.1016/j.jet.2012.05.009
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Biheng, Noé & Bonnisseau, Jean-Marc, 2015. "Regular economies with ambiguity aversion," Journal of Mathematical Economics, Elsevier, vol. 59(C), pages 24-36.
    2. Chakravarty, Surajeet & Kelsey, David, 2015. "Sharing ambiguous risks," Journal of Mathematical Economics, Elsevier, vol. 56(C), pages 1-8.
    3. Eisei Ohtaki, "undated". "Optimality of the Friedman rule under ambiguity," Working Papers e103, Tokyo Center for Economic Research.
    4. Mihm, Maximilian, 2016. "Reference dependent ambiguity," Journal of Economic Theory, Elsevier, vol. 163(C), pages 495-524.
    5. Matthias Lang, 2015. "First-Order and Second-Order Ambiguity Aversion," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2015_13, Max Planck Institute for Research on Collective Goods.
    6. Beißner, Patrick, 2016. "Radner Equilibria under Ambiguous Volatility," Center for Mathematical Economics Working Papers 493, Center for Mathematical Economics, Bielefeld University.
    7. repec:hal:journl:halshs-00922782 is not listed on IDEAS
    8. Luciano Castro & Alain Chateauneuf, 2011. "Ambiguity aversion and trade," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 48(2), pages 243-273, October.
    9. Biheng, Noé & Bonnisseau, Jean-Marc, 2015. "Regular economies with ambiguity aversion," Journal of Mathematical Economics, Elsevier, vol. 59(C), pages 24-36.
    10. Scott Condie & Jayant Ganguli, 2011. "Informational efficiency with ambiguous information," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 48(2), pages 229-242, October.
    11. Tian, Dejian & Tian, Weidong, 2014. "Optimal risk-sharing under mutually singular beliefs," Mathematical Social Sciences, Elsevier, vol. 72(C), pages 41-49.
    12. Mandler, Michael, 2013. "Endogenous indeterminacy and volatility of asset prices under ambiguity," Theoretical Economics, Econometric Society, vol. 8(3), September.
    13. Eisei Ohtaki & Hiroyuki Ozaki, 2015. "Monetary equilibria and Knightian uncertainty," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 59(3), pages 435-459, August.
    14. repec:eee:jetheo:v:173:y:2018:i:c:p:257-288 is not listed on IDEAS

    More about this item

    Keywords

    Ambiguity; General equilibrium theory; Financial markets; Determinacy of equilibria; Variational preferences; Multiple priors;

    JEL classification:

    • D0 - Microeconomics - - General
    • D5 - Microeconomics - - General Equilibrium and Disequilibrium
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • G1 - Financial Economics - - General Financial Markets

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