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Les| synergies illusoires dans les fusions et acquisitions : autopsie du Théranostique chez BioMerieux-Pierre Fabre

Author

Listed:
  • Philippe Monin

    (EM - EMLyon Business School)

  • Eero Vaara

Abstract

Les fusions et acquisitions (F & A) sont souvent motivées par des effets synergiques escomptés. Les spécialistes des fusions et acquisitions, tant académiques que professionnels, admettent pourtant que les premières idées et justifications relatives aux synergies s'avèrent souvent irréalistes, voire illusoires : ils comprennent mal les processus à leur origine, et leur évolution dans le temps. Appliquée au cas particulièrement révélateur de la fusion, annoncée en septembre 2000, entre les compétences thérapeutiques de Pierre Fabre et les compétences diagnostiques de BioMérieux (d'où le concept de « théranostique » inventé pour nommer cette combinaison entre les deux groupes pharmaceutiques), puis de la séparation de ces mêmes entreprises en juin 2002, la théorie de la construction sociale des synergies proposée ici permet d'identifier, dans le processus de construction sociale des synergies, quatre phases que les auteurs considèrent caractéristiques des fusions et acquisitions contemporaines.

Suggested Citation

  • Philippe Monin & Eero Vaara, 2005. "Les| synergies illusoires dans les fusions et acquisitions : autopsie du Théranostique chez BioMerieux-Pierre Fabre," Post-Print hal-02311678, HAL.
    • Handle: RePEc:hal:journl:hal-02311678
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