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Innovation and market dynamics in the EPO market

Author

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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.

Suggested Citation

  • Sorisio, Enrico & Strøm, Steinar, 2006. "Innovation and market dynamics in the EPO market," Memorandum 12/2006, Oslo University, Department of Economics.
    • Handle: RePEc:hhs:osloec:2006_012
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    References listed on IDEAS

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    More about this item

    Keywords

    Discrete choice; demand for pharmaceuticals; monopolistic competition; EPO;
    All these keywords.

    JEL classification:

    • C35 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms

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