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Intertemporal utility smoothing under uncertainty

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  • Katsutoshi Wakai

Abstract

This paper axiomatizes a recursive utility model that captures both intertemporal utility smoothing defined across time and ambiguity aversion defined over states. The resulting representation adapts Wakai (Econometrica 76:137–153, 2008 ) model of intertemporal utility smoothing as an aggregator function, where the utility of the certainty equivalent of future uncertainty is computed by Gilboa and Schmeidler (J Math Econ 18:141–153, 1989 ) multiple-priors utility. The model also permits the separation of intertemporal utility smoothing from ambiguity aversion. Copyright Springer Science+Business Media New York 2013

Suggested Citation

  • Katsutoshi Wakai, 2013. "Intertemporal utility smoothing under uncertainty," Theory and Decision, Springer, vol. 74(2), pages 285-310, February.
    • Handle: RePEc:kap:theord:v:74:y:2013:i:2:p:285-310
    DOI: 10.1007/s11238-012-9304-9
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    References listed on IDEAS

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    1. Wang, Tan, 2003. "Conditional preferences and updating," Journal of Economic Theory, Elsevier, vol. 108(2), pages 286-321, February.
    2. Larry G. Epstein & Stanley E. Zin, 2013. "Substitution, risk aversion and the temporal behavior of consumption and asset returns: A theoretical framework," World Scientific Book Chapters, in: Leonard C MacLean & William T Ziemba (ed.), HANDBOOK OF THE FUNDAMENTALS OF FINANCIAL DECISION MAKING Part I, chapter 12, pages 207-239, World Scientific Publishing Co. Pte. Ltd..
    3. Itzhak Gilboa & Massimo Marinacci, 2011. "Ambiguity and the Bayesian Paradigm," Working Papers 379, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
    4. Katsutoshi Wakai, 2008. "A Model of Utility Smoothing," Econometrica, Econometric Society, vol. 76(1), pages 137-153, January.
    5. Loewenstein, George, 1987. "Anticipation and the Valuation of Delayed Consumption," Economic Journal, Royal Economic Society, vol. 97(387), pages 666-684, September.
    6. Schmeidler, David, 1989. "Subjective Probability and Expected Utility without Additivity," Econometrica, Econometric Society, vol. 57(3), pages 571-587, May.
    7. Takashi Hayashi, 2005. "Intertemporal substitution, risk aversion and ambiguity aversion," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 25(4), pages 933-956, June.
    8. Gilboa, Itzhak & Schmeidler, David, 1989. "Maxmin expected utility with non-unique prior," Journal of Mathematical Economics, Elsevier, vol. 18(2), pages 141-153, April.
    9. Wakai, Katsutoshi, 2011. "Modeling nonmonotone preferences: The case of utility smoothing," Journal of Mathematical Economics, Elsevier, vol. 47(2), pages 213-226, March.
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    11. Wakai, Katsutoshi, 2007. "A note on recursive multiple-priors," Journal of Economic Theory, Elsevier, vol. 135(1), pages 567-571, July.
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    More about this item

    Keywords

    Ambiguity aversion; Discount factors; Gain/loss asymmetry; Recursive utility; Utility smoothing; D81; D90;
    All these keywords.

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • D90 - Microeconomics - - Micro-Based Behavioral Economics - - - General

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