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Price Sensitivity of Demand for Prescription Drugs: Exploiting a Regression Kink Design

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  • Marianne Simonsen

    ()
    (School of Economics and Management, Aarhus University, Denmark)

  • Lars Skipper

    (Aarhus School of Business, Aarhus University, Denmark)

  • Niels Skipper

    (School of Economics and Management, Aarhus University, Denmark)

Abstract

This paper investigates price sensitivity of demand for prescription drugs using drug purchase records for at 20% random sample of the Danish population. We identify price responsiveness by exploiting exogenous variation in prices caused by kinked reimbursement schemes and implement a regression kink design. Thus, within a unifying framework we uncover price sensitivity for different subpopulations and types of drugs. The results suggest low average price responsiveness with corresponding price elasticities ranging from -0.08 to -0.25, implying that demand is inelastic. Individuals with lower education and income are, however, more responsive to the price. Also, essential drugs that prevent deterioration in health and prolong life have lower associated average price sensitivity.

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Bibliographic Info

Paper provided by School of Economics and Management, University of Aarhus in its series Economics Working Papers with number 2010-03.

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Length: 45
Date of creation: 15 Jan 2010
Date of revision:
Handle: RePEc:aah:aarhec:2010-03

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Web page: http://www.econ.au.dk/afn/

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Keywords: Prescription drugs; price; reimbursement schemes; regression kink design;

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Blog mentions

As found by EconAcademics.org, the blog aggregator for Economics research:
  1. The demand elasticity of prescription drugs
    by Economic Logician in Economic Logic on 2010-02-15 15:15:00
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Cited by:
  1. Herr, Annika & Suppliet, Moritz, 2012. "Pharmaceutical prices under regulation: Tiered co-payments and reference pricing in Germany," DICE Discussion Papers 48, Heinrich‐Heine‐Universität Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
  2. Herr, A.; & Suppliet, M.;, 2011. "Co-Payment Exemptions and Reference Prices: an Empirical Study of Pharmaceutical Prices in Germany," Health, Econometrics and Data Group (HEDG) Working Papers 11/18, HEDG, c/o Department of Economics, University of York.
  3. Zhuan Pei & David Card & David S. Lee & Andrea Weber, 2012. "Nonlinear Policy Rules and the Identification and Estimation of Causal Effects in a Generalized Regression Kink Design," Working Papers 60, Brandeis University, Department of Economics and International Businesss School.
  4. Lundqvist, Heléne & Dahlberg, Matz & Mörk, Eva, 2010. "Stimulating Local Public Employment: Do General Grants Work?," Working Paper Series, Center for Labor Studies 2010:14, Uppsala University, Department of Economics.
  5. Datta Gupta, Nabanita & Kleinjans, Kristin J. & Larsen, Mona, 2011. "The Effect of an Acute Health Shock on Work Behavior: Evidence from Different Health Care Regimes," IZA Discussion Papers 5843, Institute for the Study of Labor (IZA).
  6. Roel van Elk & Michelle Ebens & Dinand Webbink & Adam Booij, 2011. "The effect of the supplementary grant on parental contribution in the Netherlands," CPB Discussion Paper 187, CPB Netherlands Bureau for Economic Policy Analysis.
  7. Landais, Camille, 2013. "Assessing the Welfare Effects of Unemployment Benefits Using the Regression Kink Design," IZA Discussion Papers 7589, Institute for the Study of Labor (IZA).
  8. Niels Skipper, 2010. "On Utilization and Stockpiling of Prescription Drugs when Co-payments Increase: Heterogeneity across Types of Drugs," Economics Working Papers 2010-12, School of Economics and Management, University of Aarhus.

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