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Volatilité boursière excessive : irrationalité des comportements ou clivage des esprits ?

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  • Christian Walter

    (LAP - Laboratoire d’anthropologie politique – Approches interdisciplinaires et critiques des mondes contemporains, UMR 8177 - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique)

Abstract

Excessive volatility : irrational behaviours or intellectual dividing ? The main assumption to explain high volatility of markets is the irrational behaviours of investors. This analysis contrasts the « good » economy with the « bad » stock exchange. The author presents the origins of this concept and describes the dividing it implies in modelling field. He explains that this intellectual dividing is based on a probability assumption and if this assumption isn't verified, the dividing isn't possible. JEL classifications : D81, D82, D84, G14

Suggested Citation

  • Christian Walter, 2004. "Volatilité boursière excessive : irrationalité des comportements ou clivage des esprits ?," Post-Print hal-04529998, HAL.
    • Handle: RePEc:hal:journl:hal-04529998
    DOI: 10.3406/ecofi.2004.5033
    Note: View the original document on HAL open archive server: https://hal.science/hal-04529998
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    References listed on IDEAS

    as
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    More about this item

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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