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Modèles à base de données et intuition managériale: 50% modèle + 50% manager

Author

Listed:
  • Robert C. Blattberg

    (University of Chicago)

  • Stephen J. Hoch

Abstract

Cette recherche a pour objet d'étudier les manières de combiner des modèles statistiques simples utilisant des bases de données avec l'intuition managériale. Nous présentons un modèle et une méthode qui permettent d'isoler l'intuition managériale. Pour cinq situations différentes de prévisions, nos résultats indiquent qu'une combinaison du modèle et de l'intuition des managers améliore chacune des sources de décision prises isolément. Dans les analyses de validation croisée, l'augmentation moyenne du R2 est de 0, 09 (16%) par rapport à la meilleure source de décision seule. Nous évaluons la validité d'une heuristique basée à 50% sur les modèles et 50% sur les managers, pour expliquer ensuite pourquoi nos résultats sont susceptibles d'être différents de ceux des recherches antérieures sur les jugements d'experts.

Suggested Citation

  • Robert C. Blattberg & Stephen J. Hoch, 1991. "Modèles à base de données et intuition managériale: 50% modèle + 50% manager," Post-Print hal-02014589, HAL.
  • Handle: RePEc:hal:journl:hal-02014589
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