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Demand for pharmaceutical drugs: A choice modelling experiment

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  • Anna Merino
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    Abstract

    Despite the importance of supplier inducement and brand loyalty in the drug purchasing process, little empirical evidence is to be found with regard to the influence that these factors exert on patients’ decisions. Under the new scenario of easier access to information, patients are becoming more demanding and even go as far as questioning their physicians’ prescription. Furthermore, new regulation also encourages patients to adopt an active role in the decision between brand-name and generic drugs. Using a stated preference model based on a choice survey, I have found evidence of how significant physicians’ prescription and pharmacists’ recommendation become throughout the drug purchase process and, to what extent, brand loyalty influences the final decision. As far as we are aware, this paper is the first to explicitly take consumers’ preferences into account rather than focusing on the behavior of health professionals.

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    File URL: http://www.econ.upf.edu/docs/papers/downloads/704.pdf
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    Bibliographic Info

    Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Working Papers, Research Center on Health and Economics with number 704.

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    Date of creation: Jun 2003
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    Handle: RePEc:upf:upfses:704

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    Web page: http://www.econ.upf.edu/

    Related research

    Keywords: Brand loyalty; demand inducement; drug price elasticity; discrete choice experiment;

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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.
    2. Armantier Olivier & Namoro Soiliou, 2006. "Prescription Drug Advertising and Patient Compliance: A Physician Agency Approach," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 6(1), pages 1-41, September.
    3. Coscelli, Andrea, 2000. "The Importance of Doctors' and Patients' Preferences in the Prescription Decision," Journal of Industrial Economics, Wiley Blackwell, vol. 48(3), pages 349-69, September.
    4. Hausman, Jerry A. & Ruud, Paul A., 1987. "Specifying and testing econometric models for rank-ordered data," Journal of Econometrics, Elsevier, vol. 34(1-2), pages 83-104.
    5. Paul Ellickson & Scott Stern & Manuel Trajtenberg, 1999. "Patient Welfare and Patient Compliance: An Empirical Framework for Measuring the Benefits from Pharmaceutical Innovation," NBER Working Papers 6890, National Bureau of Economic Research, Inc.
    6. Beggs, S. & Cardell, S. & Hausman, J., 1981. "Assessing the potential demand for electric cars," Journal of Econometrics, Elsevier, vol. 17(1), pages 1-19, September.
    7. Hanley, Nick & Mourato, Susana & Wright, Robert E, 2001. " Choice Modelling Approaches: A Superior Alternative for Environmental Valuation?," Journal of Economic Surveys, Wiley Blackwell, vol. 15(3), pages 435-62, July.
    8. Dulleck, Uwe & Kerschbamer, Rudolf, 2001. "On Doctors, Mechanics and Computer Specialists. Or Where are the Problems with Credence Goods?," CEPR Discussion Papers 3016, C.E.P.R. Discussion Papers.
    9. Fredrik Carlsson & Peter Martinsson, 2003. "Design techniques for stated preference methods in health economics," Health Economics, John Wiley & Sons, Ltd., vol. 12(4), pages 281-294.
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    Cited by:
    1. Anna Merino, 2003. "Eliciting consumers preferences using stated preference discrete choice models: Contingent ranking versus choice experiment," Economics Working Papers 705, Department of Economics and Business, Universitat Pompeu Fabra.
    2. Karolin Becker & Peter Zweifel, 2005. "Cost Sharing in Health Insurance: An Instrument for Risk Selection?," SOI - Working Papers 0513, Socioeconomic Institute - University of Zurich.
    3. Anna Merino, 2003. "Eliciting consumers preferences using stated preference discrete choice models: Contingent ranking versus choice experiment," Working Papers, Research Center on Health and Economics 705, Department of Economics and Business, Universitat Pompeu Fabra.
    4. Frank R. Lichtenberg, 2007. "Importation And Innovation," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 16(6), pages 403-417.

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