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Une évaluation économique du risque de modèle pour les investisseurs de long-terme

Author

Listed:
  • Christophe Boucher

    (EconomiX - EconomiX - UPN - Université Paris Nanterre - CNRS - Centre National de la Recherche Scientifique)

  • Benjamin Hamidi
  • Patrick Kouontchou

  • Bertrand Maillet

Abstract

The recent experience from the global financial crisis has raised serious questions about the accuracy of standard risk measures as a tool to quantify extreme downward risks. These standard risk measures, such as the VaR, emerge over the last decades as the industry standard for risk management and asset allocation (Basak and Shapiro [2001]; Montfort [2008]). We estimate the riskiness of risk models and we evaluate its impact on optimal portfolios at various time horizons. Based on a long sample of U.S. data, we find an inverse U-shape relation between VaR model errors and the horizon that impacts the optimal asset allocation of the representative agent.
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • Christophe Boucher & Benjamin Hamidi & Patrick Kouontchou & Bertrand Maillet, 2012. "Une évaluation économique du risque de modèle pour les investisseurs de long-terme," Post-Print hal-01386007, HAL.
    • Handle: RePEc:hal:journl:hal-01386007
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    Keywords

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    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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