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Les difficultés de la valorisation des entreprises par les marchés financiers

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  • Marc Auberger

Abstract

[fre] Une allocation optimale du capital aux entreprises cotées dans le cadre d’un marché efficient suppose que le marché dispose d’informations précises sur les perspectives de rentabilité des sociétés afin de pouvoir les valoriser correctement. Or la réglementation impose de diffuser très largement l’information pour éviter les délits d’initiés. L’information sur l’entreprise est alors connue de ses concurrents, ce qui freine sa diffusion par les dirigeants. Le marché doit donc se contenter d’une information très pauvre pour établir les valorisations. Ceci peut contribuer à l’apparition de bulles spéculatives ou rendre difficile le financement d’entreprises dans des situations de concurrence stratégique. Unesolution à cette problématique pourrait être de confier à des tiers indépendants le soin de recueillir l’information confidentielle et de la diffuser au marché sous une forme synthétique. . Classification JEL : G11, G18. [eng] Shortcomings of Firms’ Valuation in Financial Markets.. In an efficient market, optimal allocation of capital to listed companies relies on precise public information on their future profitability. Market regulation enforces a wide disclosure of information in order to avoid insider trading so that this information becomes also available to competitors. As a result, managers are induced to limit public information and market participants have to make valuation decisions on the basis of a quite poor material. This may lead to financial bubbles or to financial restrictions to firms facing strategic competition. In order to avoid such shortcomings, a solution could be to relyonindependent actors in charge of collecting confidential information and of making it available to all market participants in a synthetic way. . Classification JEL : G11, G18. . .

Suggested Citation

  • Marc Auberger, 2011. "Les difficultés de la valorisation des entreprises par les marchés financiers," Revue d'Économie Financière, Programme National Persée, vol. 104(4), pages 209-215.
  • Handle: RePEc:prs:recofi:ecofi_0987-3368_2011_num_104_4_5907
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    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation

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