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The impact of generic reference pricing interventions in the statin market

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Abstract

The objective of this study was to evaluate the intended and unintended impact on pharmaceutical use and sales of three public financing reforms applied to the prescription of statins: a Spanish generic reference pricing (RP) system for lovastatin and simvastatin, and two competing policies introduced by the Andalusian Public Health Service (APHS) for all statins, first a maximum consumer price (MCP) and then a so called quality prescribing incentive for general practitioners (MCP plus PI). This study is designed as an observational, retrospective, interrupted time series analysis with comparison series (APHS and the rest of Spain) of 46 monthly drug use and sales ratios from January 2001 to October 2004 for each active ingredient in the group of statins. RP has been effective at reducing the volume of sales growth of the off-patent statins, yet its overall impact on sales of all statins has been relatively modest. The quantity and volume of sales impact heavily depends on regulatory RP details such as when the system is introduced, how often it is updated, and how the reference price is calculated.

Suggested Citation

  • Jaume Puig, 2005. "The impact of generic reference pricing interventions in the statin market," Economics Working Papers 906, Department of Economics and Business, Universitat Pompeu Fabra.
    • Handle: RePEc:upf:upfgen:906
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    References listed on IDEAS

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    1. Puig-Junoy, Jaume, 2004. "Incentives and pharmaceutical reimbursement reforms in Spain," Health Policy, Elsevier, vol. 67(2), pages 149-165, February.
    2. 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.
    3. Lopez-Casasnovas, Guillem & Puig-Junoy, Jaume, 2000. "Review of the literature on reference pricing," Health Policy, Elsevier, vol. 54(2), pages 87-123, November.
    4. Thomas Aronsson & Mats Bergman & Niklas Rudholm, 2001. "The Impact of Generic Drug Competition on Brand Name Market Shares – Evidence from Micro Data," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 19(4), pages 423-433, December.
    5. Zweifel, Peter & Crivelli, Luca, 1996. "Price Regulation of Drugs: Lessons from Germany," Journal of Regulatory Economics, Springer, vol. 10(3), pages 257-273, November.
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    Cited by:

    1. 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.
    2. Chiara Bonassi & Laura Magazzini & Fabio Pammolli & Massimo Riccaboni & Nicola Carmine Salerno, 2007. "Il prezzo di riferimento nel quadro regolatorio del mercato farmaceutico," Working Papers CERM 04-2007, Competitività, Regole, Mercati (CERM).

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    More about this item

    Keywords

    Pharmaceutical sales; generic medicines; pharmaceutical reference pricing; statins;
    All these keywords.

    JEL classification:

    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • H5 - Public Economics - - National Government Expenditures and Related Policies

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