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Ambiguity and the historical equity premium

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  • Fabrice Collard

    ()
    (Department of Economics - University of Bern - University of Bern)

  • Sujoy Mukerji

    ()
    (Department of Economics and University College - University of Oxford)

  • Kevin Sheppard

    ()
    (Department of Economics and Oxford-Man Institute of Quantitative Finance - University of Oxford)

  • Jean-Marc Tallon

    ()
    (CES - Centre d'économie de la Sorbonne - CNRS : UMR8174 - Université Paris I - Panthéon-Sorbonne, EEP-PSE - Ecole d'Économie de Paris - Paris School of Economics - Ecole d'Économie de Paris)

Abstract

This paper assesses the quantitative impact of ambiguity on the historically observed financial asset returns and prices. The single agent, in a dynamic exchange economy, treats uncertainty about the conditional mean of the probability distribution on consumption and dividends in the next period as ambiguous, an ambiguity that is endogenously dynamic, e.g., increasing during recessions. We calibrate ambiguity aversion to match only the first moment of the risk-free rate in data and, importantly, the (conditional) ambiguity to match the uncertainty conditional on the actual history of macroeconomic growth outcomes. The model matches observed asset return dynamics very substantially.

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Paper provided by HAL in its series Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) with number halshs-00594096.

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Date of creation: May 2011
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Handle: RePEc:hal:cesptp:halshs-00594096

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Keywords: Equity premium; ambiguity.;

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  1. Ambiguity and the historical equity premium
    by Christian Zimmermann in NEP-DGE blog on 2011-06-01 14:15:29
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