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Sur la distribution bimodale du ratio de spécialisation des entreprises non financières

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  • Hafida El Younsi

    ()
    (CES - Centre d'économie de la Sorbonne - CNRS : UMR8174 - Université Paris I - Panthéon-Sorbonne)

  • Didier Lebert

    ()
    (UEA - Unité d'Économie Appliquée - ENSTA ParisTech)

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    Abstract

    La distribution bimodale du ratio de spécialisation des grandes entreprises non financières a constitué une régularité statistique remarquable pendant une quarantaine d'années (Reed et Sharpe, 1987). L'objectif de cet article est, dans un premier temps, de faire un point sur la réalité de ce phénomène sur la période 1992-2007 en Europe et aux États-Unis. Ensuite, nous cherchons à identifier certaines des dynamiques industrielles qui se cachent derrière cette distribution. Nous faisons référence ici à la manière dont les évolutions de la valeur de ce ratio peuvent servir à interpréter les stratégies de développement des entreprises en termes de diversification et de recentrage.

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    Bibliographic Info

    Paper provided by HAL in its series Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) with number halshs-00881161.

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    Date of creation: Oct 2013
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    Handle: RePEc:hal:cesptp:halshs-00881161

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    Related research

    Keywords: Diversification; recentrage; ratio de spécialisation;

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