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On the relationship between the negociated price of pharmaceuticals and the patients' co-payment


  • Izabela Jelovac

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


In this paper, we give a new insight on the relationship between the patients' co-payment for buying pharmaceuticals and the price of a patented pharmaceutical. We consider that the price of a pharmaceutical is the outcome of a negotiation between a health authority and a pharmaceutical monopoly producer. We use a model based on bargaining theory to represent this negotiation. The negotiated price is shown to be increasing in the degree of the patients' co-payment. This positive relationship is thus opposite to the negative one prevailing when the price is set by a monopoly without any negotiation. We further analyze the negotiation on the co-payment itself, and show that the optimal degree of the negotiated co-payment is the lowest one.
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • Izabela Jelovac, 2010. "On the relationship between the negociated price of pharmaceuticals and the patients' co-payment," Post-Print halshs-00588703, HAL.
  • Handle: RePEc:hal:journl:halshs-00588703
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    References listed on IDEAS

    1. Begoña Garcia Mariñoso & Izabela Jelovac & Pau Olivella, 2011. "External referencing and pharmaceutical price negotiation," Health Economics, John Wiley & Sons, Ltd., vol. 20(6), pages 737-756, June.
    2. Puig-Junoy, Jaume, 2004. "Incentives and pharmaceutical reimbursement reforms in Spain," Health Policy, Elsevier, vol. 67(2), pages 149-165, February.
    3. Muthoo,Abhinay, 1999. "Bargaining Theory with Applications," Cambridge Books, Cambridge University Press, number 9780521576475, May.
    4. Tom Stargardt, 2011. "Modelling pharmaceutical price changes in Germany: a function of competition and regulation," Applied Economics, Taylor & Francis Journals, vol. 43(29), pages 4515-4526.
    5. repec:dau:papers:123456789/5987 is not listed on IDEAS
    6. Brekke, Kurt R. & Grasdal, Astrid L. & Holms, Tor Helge, 2009. "Regulation and pricing of pharmaceuticals: Reference pricing or price cap regulation?," European Economic Review, Elsevier, vol. 53(2), pages 170-185, February.
    7. Boris Augurzky & Silja Göhlmann & Stefan Greß & Jürgen Wasem, 2009. "Effects of the German reference drug program on ex-factory prices of prescription drugs: a panel data approach," Health Economics, John Wiley & Sons, Ltd., vol. 18(4), pages 421-436.
    8. Brekke, Kurt R. & Holmas, Tor Helge & Straume, Odd Rune, 2011. "Reference pricing, competition, and pharmaceutical expenditures: Theory and evidence from a natural experiment," Journal of Public Economics, Elsevier, vol. 95(7), pages 624-638.
    9. Nina Pavcnik, 2002. "Do Pharmaceutical Prices Respond to Potential Patient Out-of-Pocket Expenses?," RAND Journal of Economics, The RAND Corporation, vol. 33(3), pages 469-487, Autumn.
    10. Pedro Barros & Xavier Martinez-Giralt, 2008. "On international cost-sharing of pharmaceutical R&D," International Journal of Health Economics and Management, Springer, vol. 8(4), pages 301-312, December.
    11. Matteo Galizzi & Simone Ghislandi & Marisa Miraldo, 2011. "Effects of Reference Pricing in Pharmaceutical Markets," PharmacoEconomics, Springer, vol. 29(1), pages 17-33, January.
    12. Izabela Jelovac & Catalina Bordoy, 2005. "Pricing and Welfare Implications of Parallel Imports in the Pharmaceutical Industry," International Journal of Health Economics and Management, Springer, vol. 5(1), pages 5-21, January.
    13. Patricia Danzon, 1997. "Price Discrimination for Pharmaceuticals: Welfare Effects in the US and the EU," International Journal of the Economics of Business, Taylor & Francis Journals, vol. 4(3), pages 301-322.
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    Cited by:

    1. repec:dau:papers:123456789/5987 is not listed on IDEAS
    2. Garci­a-Alonso, Mari­a D.C. & Garci­a-Mariñoso, Begoña, 2008. "The strategic interaction between firms and formulary committees: Effects on the prices of new drugs," Journal of Health Economics, Elsevier, vol. 27(2), pages 377-404, March.
    3. Stefano Capri & Rosella Levaggi, 2005. "Reconciling social and industrial goals: a bargaining model to pricing pharmaceuticals," LIUC Papers in Economics 170, Cattaneo University (LIUC).
    4. Laura Levaggi & Rosella Levaggi, 2009. "Welfare properties of restrictions to health care services based on cost effectiveness," Working Papers 0902, University of Brescia, Department of Economics.
    5. Ahmet Ozkardas & Agnieszka Rusinowska, 2013. "An application of wage bargaining to price negotiation with discount factors varying in time," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00881151, HAL.
    6. Izabela Jelovac & Catalina Bordoy, 2005. "Pricing and Welfare Implications of Parallel Imports in the Pharmaceutical Industry," International Journal of Health Economics and Management, Springer, vol. 5(1), pages 5-21, January.
    7. Stefano Capri & Rosella Levaggi, 2008. "Drug pricing and risk sharing agreements," Working Papers 0810, University of Brescia, Department of Economics.
    8. Bordoy, Catalina & Jelovac, Izabela, 2003. "Pricing and Welfare of Parallel Imports in the Pharmaceutical Industry," Research Memorandum 004, Maastricht University, Maastricht Economic Research Institute on Innovation and Technology (MERIT).
    9. Ahmet Ozkardas & Agnieszka Rusinowska, 2014. "On equilibrium payoffs in wage bargaining with discount rates varying in time," Documents de travail du Centre d'Economie de la Sorbonne 14011, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.

    More about this item


    pharmaceuticals; patients' co-payment; price;

    JEL classification:

    • I1 - Health, Education, and Welfare - - Health
    • D4 - Microeconomics - - Market Structure, Pricing, and Design


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