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Marchés financiers et anticipations rationnelles

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  • Roland Gillet
  • Ariane Szafarz

Abstract

Focused on the « rational expectations hypothesis», which has served as the foundation of modeling and empirical research in financial microeconomics under the heading of « efficient market hypothesis» (EMH), this paper is dedicated firstly to provide, through a careful analysis of some popular statements among finance practitioners, precise indications of what EMH does and does not consist of. The se~cond part develops a critical analysis of the « anomalies» revealed by systematic testing of the EMH, and to the implications thereof for portfolio management.

Suggested Citation

  • Roland Gillet & Ariane Szafarz, 2004. "Marchés financiers et anticipations rationnelles," Reflets et perspectives de la vie économique, De Boeck Université, vol. 0(2), pages 7-17.
  • Handle: RePEc:cai:rpvedb:rpve_432_0007
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    References listed on IDEAS

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    1. Robert F. Engle & Kevin Sheppard, 2001. "Theoretical and Empirical properties of Dynamic Conditional Correlation Multivariate GARCH," NBER Working Papers 8554, National Bureau of Economic Research, Inc.
    2. Bruno Colmant & Roland Gillet & Ariane Szafarz, 2003. "Efficience des marchés: concepts, bulles spéculatives et image comptable," ULB Institutional Repository 2013/653, ULB -- Universite Libre de Bruxelles.
    3. Adam, M C & Szafarz, A, 1992. "Speculative Bubbles and Financial Markets," Oxford Economic Papers, Oxford University Press, vol. 44(4), pages 626-640, October.
    4. Gillet, Roland, 1991. "L'efficience informationnelle du marché boursier : aspects théoriques et empiriques," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 1991005, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
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    7. J. Bradford De Long & Andrei Shleifer & Lawrence H. Summers & Robert J. Waldmann, 1987. "The Economic Consequences of Noise Traders," NBER Working Papers 2395, National Bureau of Economic Research, Inc.
    8. Shleifer, Andrei, 2000. "Inefficient Markets: An Introduction to Behavioral Finance," OUP Catalogue, Oxford University Press, number 9780198292272.
    9. Gourieroux, C & Laffont, J J & Monfort, Alain, 1982. "Rational Expectations in Dynamic Linear Models: Analysis of the Solutions," Econometrica, Econometric Society, vol. 50(2), pages 409-425, March.
    10. Jensen, Michael C., 1978. "Some anomalous evidence regarding market efficiency," Journal of Financial Economics, Elsevier, vol. 6(2-3), pages 95-101.
    11. Fama, Eugene F, 1991. " Efficient Capital Markets: II," Journal of Finance, American Finance Association, vol. 46(5), pages 1575-1617, December.
    12. Burton G. Malkiel, 2003. "Passive Investment Strategies and Efficient Markets," European Financial Management, European Financial Management Association, vol. 9(1), pages 1-10, March.
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    Cited by:

    1. Christel Dumas & Céline Louche, 2016. "Collective beliefs for responsible investment," Post-Print hal-01183744, HAL.

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