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Role of Pharmacists in Generic Pharmaceutical Adoption

Author

Listed:
  • Haruo Kakehi

    (Graduate School of Economics, Keio University)

  • Ryo Nakajima

    (Faculty of Economics)

Abstract

This study shows how consumers’ brand preferences are related to professional experts’ behavior by investigating the role of pharmacists. Although the literature suggests that consumers are more willing to pay for brand-name products, our data reveal a puzzling scenario: some patients continue to choose nonbrand generic alternatives even when a brand-identical option (authorized generic) is available at the same price. We model both patients’ demand and pharmacies’ drug adoption decisions and demonstrate substantial variation in brand preferences across pharmacies using Japanese pharmacists’ dispensing data. Furthermore, our results indicate that differences in pharmacists’ medical management are important in shaping these preferences.

Suggested Citation

  • Haruo Kakehi & Ryo Nakajima, 2025. "Role of Pharmacists in Generic Pharmaceutical Adoption," Keio-IES Discussion Paper Series 2025-001, Institute for Economics Studies, Keio University.
    • Handle: RePEc:keo:dpaper:2025-001
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    File URL: https://ies.keio.ac.jp/upload/DP2025-001_EN.pdf
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    More about this item

    Keywords

    Authorized generic; Brand premiums; Generic pharmaceuticals; Pharmacist behavior; Medical management;
    All these keywords.

    JEL classification:

    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • L65 - Industrial Organization - - Industry Studies: Manufacturing - - - Chemicals; Rubber; Drugs; Biotechnology; Plastics

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