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Tarif forfaitaire de responsabilité : quels impacts sur le pharmacien ?

  • Carine Franc

    (CERMES3 - Centre de recherche, médecine, sciences, santé, santé mentale, société - CNRS - Centre National de la Recherche Scientifique - INSERM - Institut National de la Santé et de la Recherche Médicale - UPD5 - Université Paris Descartes - Paris 5 - EHESS - École des hautes études en sciences sociales)

  • Laurent Granier

    ()

    (GATE Lyon Saint-Étienne - Groupe d'analyse et de théorie économique - CNRS - Centre National de la Recherche Scientifique - UCBL - Université Claude Bernard Lyon 1 - UL2 - Université Lumière - Lyon 2 - Université Jean Monnet - Saint-Etienne - PRES Université de Lyon - ENS Lyon - École normale supérieure - Lyon)

  • Sébastien Trinquard

    (UNOCAM - Union nationale des organismes d'assurance maladie complémentaire - UNOCAM)

L'objectif de cet article est d'étudier l'impact du tarif forfaitaire de responsabilité (TFR) sur la part de la marge du grossiste attribuée au pharmacien et sur l'effort de substitution entre marque et générique. Nous considérons une situation dans laquelle le génériqueur vend directement son générique au pharmacien et le laboratoire de marque vend son princeps par l'intermédiaire d'un grossiste. Nous supposons que les produits sont verticalement différenciés et nous résolvons un jeu en deux étapes. A la première étape, le génériqueur détermine la part de la marge du grossiste qu'il consent au pharmacien afin de l'inciter à substituer et, si un tarif forfaitaire de responsabilité est introduit, les firmes se concurrencent en prix. A la seconde étape, le pharmacien choisit son effort de substitution. Nous montrons que l'introduction du TFR augmente la part de la marge du grossiste allouée au pharmacien par le génériqueur, mais diminue l'effort de substitution du pharmacien.

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Date of creation: 13 Mar 2013
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Handle: RePEc:hal:wpaper:halshs-00800457
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  1. Ellison, S & Cockburn, I & Griliches, A & Hausman, J, 1996. "Characteristics of Demand for Pharmaceutical Products : an Examination of four Cephalosporins," Working papers 96-24, Massachusetts Institute of Technology (MIT), Department of Economics.
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