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Assets returns volatility and investment horizon: The French case

Author

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  • Frédérique Bec

    () (THEMA, Université de Cergy-Pontoise et CREST, Malakoff, France.)

  • Christian Gollier

    () (Toulouse School of Economics (LERNA and IDEI), France.)

Abstract

This paper explores French assets returns predictability within a VAR setup. Using quarterly data from 1970Q4 to 2006Q4, it turns out that bonds, equities and bills returns are actually predictable. This feature implies that the investment horizon does indeed matter in the asset allocation. The VAR parameters estimates are then used to compute real returns conditional volatility across investment horizons. The results reveal the same kind of horizon effect as the one found in recent empirical studies using quarterly U.S. data. More specifically, the annualized standard deviation of French stocks returns goes down from 22% for a 1-year horizon to only 2.8% for a 25-year investment horizon. They suggest that long-horizon investors overstate the share of bonds in their portfolio choice when neglecting the horizon effect on risk of asset returns predictability.

Suggested Citation

  • Frédérique Bec & Christian Gollier, 2008. "Assets returns volatility and investment horizon: The French case," THEMA Working Papers 2008-10, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
  • Handle: RePEc:ema:worpap:2008-10
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    References listed on IDEAS

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    More about this item

    Keywords

    Asset return predictability; Investment horizon; Vector Autoregression.;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions

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