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Innovation and market dynamics in the EPO market

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  • Sorisio, Enrico

    ()
    (Neuroscienze PharmaNess scarl)

  • Strøm, Steinar

    ()
    (Dept. of Economics, University of Oslo)

Abstract

We have estimated the demand of erythropoietin (EPO) on market data from the Nordic countries. Assuming that prices are set in a Nash-Bertrand game we determine the degree of competition in this Nordic market. We also report the impact of product innovation on welfare, e.g on consumer and producer surplus. The product innovation is the entry of Aranesp in the Nordic market. We find a positive effect related to the introduction of Aranesp in the EPO market. The high increase in consumer surplus however seems not to be accompanied by a great increase in producer surplus, whose growth is slight. Some time after the introduction of the innovation, the surplus growth does not seem to increase, it remains more or less the same (or decreases a bit). An important conclusion in our paper is that although there are few firms competing in the Nordic market for EPO, the estimated long run market power is low.

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Bibliographic Info

Paper provided by Oslo University, Department of Economics in its series Memorandum with number 12/2006.

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Length: 32 pages
Date of creation: 09 Jun 2006
Date of revision:
Handle: RePEc:hhs:osloec:2006_012

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Postal: Department of Economics, University of Oslo, P.O Box 1095 Blindern, N-0317 Oslo, Norway
Phone: 22 85 51 27
Fax: 22 85 50 35
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Web page: http://www.oekonomi.uio.no/indexe.html
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Keywords: Discrete choice; demand for pharmaceuticals; monopolistic competition; EPO;

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  1. 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.
  2. Stern, S. & Trajtenberg, M., 1998. "Empirical Implications of Physician Authority in Pharmaceutical Decisionmaking," Papers, Tel Aviv 24-98, Tel Aviv.
  3. DiMasi, Joseph A. & Hansen, Ronald W. & Grabowski, Henry G. & Lasagna, Louis, 1991. "Cost of innovation in the pharmaceutical industry," Journal of Health Economics, Elsevier, vol. 10(2), pages 107-142, July.
  4. Train,Kenneth E., 2009. "Discrete Choice Methods with Simulation," Cambridge Books, Cambridge University Press, number 9780521766555, 9.
  5. Patricia M. Danzon & Andrew Epstein & Sean Nicholson, 2004. "Mergers and Acquisitions in the Pharmaceutical and Biotech Industries," NBER Working Papers 10536, National Bureau of Economic Research, Inc.
  6. Amrita Bhattacharyya, 2005. "Advertising in Specialized Markets: Example from the US Pharmaceutical Industry," Boston College Working Papers in Economics 610, Boston College Department of Economics, revised 10 Nov 2005.
  7. Cockburn, Iain M. & Henderson, Rebecca M., 2001. "Scale and scope in drug development: unpacking the advantages of size in pharmaceutical research," Journal of Health Economics, Elsevier, vol. 20(6), pages 1033-1057, November.
  8. Danzon, Patricia M. & Nicholson, Sean & Pereira, Nuno Sousa, 2005. "Productivity in pharmaceutical-biotechnology R&D: the role of experience and alliances," Journal of Health Economics, Elsevier, vol. 24(2), pages 317-339, March.
  9. Ernst R. Berndt & Robert S. Pindyck & Pierre Azoulay, 2000. "Consumption Externalities and Diffusion in Pharmaceutical Markets: Antiulcer Drugs," NBER Working Papers 7772, National Bureau of Economic Research, Inc.
  10. Steven T. Berry, 1994. "Estimating Discrete-Choice Models of Product Differentiation," RAND Journal of Economics, The RAND Corporation, vol. 25(2), pages 242-262, Summer.
  11. DiMasi, Joseph A. & Hansen, Ronald W. & Grabowski, Henry G., 2003. "The price of innovation: new estimates of drug development costs," Journal of Health Economics, Elsevier, vol. 22(2), pages 151-185, March.
  12. Franco Malerba & Luigi Orsenigo, 2002. "Innovation and market structure in the dynamics of the pharmaceutical industry and biotechnology: towards a history-friendly model," Industrial and Corporate Change, Oxford University Press, vol. 11(4), pages 667-703, August.
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