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Portfolio Selection with Two-Stage Preferences

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  • Marco Taboga

    (Banca d'Italia Bank of Italy)

Abstract

We propose a model of portfolio selection under ambiguity, based on a two-stage valuation procedure which disentangles ambiguity and ambiguity aversion. The model does not imply 'extreme pessimism' from the part of the investor, as multiple priors models do. Furthermore, its analytical tractability allows to study complex problems thus far not analyzed, such as joint uncertainty about means and variances of returns.

Suggested Citation

  • Marco Taboga, 2005. "Portfolio Selection with Two-Stage Preferences," Finance 0506009, University Library of Munich, Germany.
  • Handle: RePEc:wpa:wuwpfi:0506009
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    References listed on IDEAS

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    Cited by:

    1. Matteo Del Vigna, 2011. "Ambiguity made easier," Working Papers - Mathematical Economics 2011-07, Universita' degli Studi di Firenze, Dipartimento di Scienze per l'Economia e l'Impresa.
    2. Christophe Courbage & Beatrice Rey, 2016. "On ambiguity apportionment," Journal of Economics, Springer, vol. 118(3), pages 265-275, July.
    3. Udo Broll & Peter Welzel & Kit Pong Wong, 2018. "Ambiguity preferences, risk taking and the banking firm," Eurasian Economic Review, Springer;Eurasia Business and Economics Society, vol. 8(3), pages 343-353, December.
    4. André, Eric, 2014. "Optimal portfolio with vector expected utility," Mathematical Social Sciences, Elsevier, vol. 69(C), pages 50-62.
    5. Kit Pong Wong, 2015. "A Smooth Ambiguity Model Of The Competitive Firm," Bulletin of Economic Research, Wiley Blackwell, vol. 67(S1), pages 97-110, December.
    6. Broll, Udo & Welzel, Peter & Wong, Kit Pong, 2016. "The banking firm under ambiguity aversion," CEPIE Working Papers 01/16, Technische Universität Dresden, Center of Public and International Economics (CEPIE).
    7. Wong, Kit Pong, 2016. "Ambiguity and the multinational firm," International Review of Economics & Finance, Elsevier, vol. 43(C), pages 404-414.
    8. Massimo Marinacci, 2015. "Model Uncertainty," Journal of the European Economic Association, European Economic Association, vol. 13(6), pages 1022-1100, December.
    9. Haas, Markus, 2016. "A note on optimal portfolios under regime–switching," Finance Research Letters, Elsevier, vol. 19(C), pages 209-216.
    10. Manel Baucells & Rakesh K. Sarin, 2019. "The Myopic Property in Decision Models," Decision Analysis, INFORMS, vol. 16(2), pages 128-141, June.
    11. Broll, Udo & Wong, Kit Pong, 2014. "Ambiguity and the incentive to export," Dresden Discussion Paper Series in Economics 01/14, Technische Universität Dresden, Faculty of Business and Economics, Department of Economics.
    12. Eduardo Corso, 2015. "Ambiguity and portfolio decisions," BCRA Working Paper Series 201567, Central Bank of Argentina, Economic Research Department.
    13. Christian Gollier, 2011. "Portfolio Choices and Asset Prices: The Comparative Statics of Ambiguity Aversion," Review of Economic Studies, Oxford University Press, vol. 78(4), pages 1329-1344.
    14. Hua Chen & Michael Sherris & Tao Sun & Wenge Zhu, 2013. "Living With Ambiguity: Pricing Mortality-Linked Securities With Smooth Ambiguity Preferences," Journal of Risk & Insurance, The American Risk and Insurance Association, vol. 80(3), pages 705-732, September.
    15. Yehuda Izhakian, 2012. "Capital Asset Pricing Under Ambiguity," Working Papers 12-02, New York University, Leonard N. Stern School of Business, Department of Economics.
    16. Broll, Udo & Wong, Kit Pong, 2015. "The incentive to trade under ambiguity aversion," The Journal of Economic Asymmetries, Elsevier, vol. 12(2), pages 190-196.
    17. Li, Wenhui & Wilde, Christian, 2021. "Separating the effects of beliefs and attitudes on pricing under ambiguity," SAFE Working Paper Series 311, Leibniz Institute for Financial Research SAFE.
    18. Balter, Anne G. & Mahayni, Antje & Schweizer, Nikolaus, 2021. "Time-consistency of optimal investment under smooth ambiguity," European Journal of Operational Research, Elsevier, vol. 293(2), pages 643-657.

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    More about this item

    Keywords

    ambiguity; portfolio selection; parameter uncertainty.;
    All these keywords.

    JEL classification:

    • G - Financial Economics

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