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Rational Ignorance In Long-Run Risk Models


  • Stefano D'Addona

    (University of Roma Tre)

  • Frode Brevik

    (Free University Amsterdam)


We document an unpleasant feature of Epstein-Zin preferences in a stylized model economy of the long-run risk type now widespread in Asset Pricing: Agents with preference parameters commonly described as indicating a "preference for early resolution of uncertainty" achieve higher utility levels if they can commit to ignoring information on the state of the business cycle. For parameter choices similar to those used to explain asset prices, an agent can achieve utility gains equivalent to a more than 40 % increase in life-time consumption by committing to ignore information on the trend growth rate of the endowment good. We show that opting for such a coarser information set can be implemented and supported as an equilibrium strategy.

Suggested Citation

  • Stefano D'Addona & Frode Brevik, 2011. "Rational Ignorance In Long-Run Risk Models," Working Papers 0811, CREI Università degli Studi Roma Tre, revised 2011.
  • Handle: RePEc:rcr:wpaper:08_11

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    References listed on IDEAS

    1. Jesper Rangvid & Maik Schmeling & Andreas Schrimpf, 2009. "Global Asset Pricing: Is There a Role for Long-run Consumption Risk?," CREATES Research Papers 2009-57, Department of Economics and Business Economics, Aarhus University.
    2. Taeyoung Doh, 2013. "Long‐Run Risks In The Term Structure Of Interest Rates: Estimation," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 28(3), pages 478-497, April.
    3. TallariniJr., Thomas D., 2000. "Risk-sensitive real business cycles," Journal of Monetary Economics, Elsevier, vol. 45(3), pages 507-532, June.
    4. Riccardo Colacito & Mariano M. Croce, 2011. "Risks for the Long Run and the Real Exchange Rate," Journal of Political Economy, University of Chicago Press, vol. 119(1), pages 153-181.
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    More about this item


    Recursive preferences; Epstein-Zin preferences; Uncertainty aversion; Information processing; Time inconsistency;

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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