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Input Price Discrimination with Bundling

Author

Listed:
  • Qing Hu

    (Kansai University)

  • Ryo Masuyama

    (Kushiro Public University of Economics and Kobe University)

  • Tomomichi Mizuno

    (Kobe University)

Abstract

This paper examines how bundling affects the welfare comparison between input price discrimination (IPD) and uniform input pricing (UIP) in a vertical market structure with Cournot competition. A multi-product firm bundles its products across a competitive market and a monopoly market, while an upstream supplier provides inputs only to the competitive market. When the inefficient firm is the bundling firm, IPD can increase total surplus relative to UIP if the monopoly market is sufficiently small. When the efficient firm is the bundling firm, however, IPD always reduces both consumer and total surpluses.

Suggested Citation

  • Qing Hu & Ryo Masuyama & Tomomichi Mizuno, 2026. "Input Price Discrimination with Bundling," Discussion Papers 2610, Graduate School of Economics, Kobe University.
    • Handle: RePEc:koe:wpaper:2610
    as

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    File URL: http://www.econ.kobe-u.ac.jp/RePEc/koe/wpaper/2026/2610.pdf
    File Function: First version, 2026
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    More about this item

    Keywords

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    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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