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Third-Degree Price Discrimination in Two-Sided Markets

Author

Listed:
  • Alexandre De Cornière

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Andrea Mantovani

    (TBS - Toulouse Business School)

  • Shiva Shekhar

    (TiSEM - Tilburg School of Economics and Management - Tilburg University [Netherlands])

Abstract

We investigate the welfare effects of third-degree price discrimination by a two-sided platform that enables interaction between buyers and sellers. Sellers are heterogeneous with respect to their per-interaction benefit, and, under price discrimination, the platform can condition its fee on sellers' type. In a model with linear demand on each side, we show that price discrimination (i) increases participation on both sides, (ii) enhances total welfare, and (iii) may result in a strict Pareto improvement, with both seller types being better off than under uniform pricing. These results, which are in stark contrast to the traditional analysis of price discrimination, are driven by the existence of cross-group network effects. By improving the ability to monetize seller participation, price discrimination induces the platform to attract more buyers, which then increases seller participation. The Pareto improvement result means that even those sellers who pay a higher price under discrimination can be better off, because of the increased buyer participation.

Suggested Citation

  • Alexandre De Cornière & Andrea Mantovani & Shiva Shekhar, 2024. "Third-Degree Price Discrimination in Two-Sided Markets," Post-Print hal-04788879, HAL.
    • Handle: RePEc:hal:journl:hal-04788879
    DOI: 10.1287/mnsc.2023.02788
    as

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