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La volatilité, conséquence ou cause de l'instabilité des marchés financiers ?

Author

Listed:
  • Alain Leclair
  • Carlos Pardo

Abstract

[fre] Cet article énumère brièvement les différentes origines de la volatilité des marchés financiers sur la base d'une consultation menée par l'AFG sur le sujet. À la lecture de ces différentes causes, les auteurs avancent notamment que la volatilité à très court terme n'a que peu d'importance si les mouvements de prix sont rapidement corrigés. De plus, l'efficacité d'un système financier ne peut pas être jugée à la seule aune de la stabilité du prix des actifs. La question de la bonne mutualisation du risque, paraît au moins aussi importante. Ils soutiennent, notamment, que la volatilité récente ou à venir - et ce, malgré les apparences - est le reflet d'une souplesse qui participe in fine à l'efficacité et à la solidité du système. Toute discussion sur la volatilité gagne ainsi à être resituée dans le contexte plus large du rôle de la sphère financière, et plus particulièrement de l'interrelation de celle-ci avec l'économie réelle.. Classification JEL : G12, G14, G2 [eng] Volatility : consequence or cause of financial instability ? . Based on a study from the AFG, this article lists different causes of financial market's volatility. To conclude, authors explain that very short term volatility doesn't matter if prices' fluctuations are quickly corrected. Moreover, financial system efficiency can't be judged only on asset prices stability. The question of a good risk mutualisation is also important. Authors support that recent or future volatility refIects a flexibility taking part in efficiency and solidity of the financial system. Debate on volatility must be analysed keeping in mind the role of financial sphere and its relationship with the real economy. . JEL classifications : G12, G14, G2

Suggested Citation

  • Alain Leclair & Carlos Pardo, 2004. "La volatilité, conséquence ou cause de l'instabilité des marchés financiers ?," Revue d'Économie Financière, Programme National Persée, vol. 74(1), pages 245-252.
  • Handle: RePEc:prs:recofi:ecofi_0987-3368_2004_num_74_1_5043
    DOI: 10.3406/ecofi.2004.5043
    Note: DOI:10.3406/ecofi.2004.5043
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    More about this item

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G2 - Financial Economics - - Financial Institutions and Services
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G2 - Financial Economics - - Financial Institutions and Services

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