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L'effet de l'âge de l'investisseur sur le niveau de risque de son portefeuille

Author

Listed:
  • Ariane Chapelle
  • Marie-Paule Laurent
  • Ariane Szafarz

Abstract

Cet article étudie le choix de portefeuille en fonction de l'âge de l’investisseur. Il propose ainsi un abord empirique du débat animé relatif à la pertinence de la diversification temporelle. Grâce à une base de données originale contenant plus de 6000 portefeuilles placés en gestion privée auprès d'une banque belge et ordonnés en 5 niveaux de risque, il montre que la prise de risque décroît de manière significative avec l'âge. La segmentation optimale des investisseurs selon leurs placements fait apparaître 3 classes dont les pivots se situent respectivement à 45 et 65 ans. Le rôle du conseil des banquiers dans la prise de décision est ensuite analysé. Il en ressort que le choix des investisseurs est le plus souvent guidé par les gestionnaires. Une part importante des résultats obtenus semble donc attribuable à la confiance affichée des praticiens vis-à-vis de la diversification temporelle.

Suggested Citation

  • Ariane Chapelle & Marie-Paule Laurent & Ariane Szafarz, 2003. "L'effet de l'âge de l'investisseur sur le niveau de risque de son portefeuille," Working Papers CEB 03-006.RS, ULB -- Universite Libre de Bruxelles.
  • Handle: RePEc:sol:wpaper:03-006
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    Keywords

    diversification temporelle; choix de portefeuille; âge de l'investisseur.;

    JEL classification:

    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • F36 - International Economics - - International Finance - - - Financial Aspects of Economic Integration
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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