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On the Microfoundation of Linear Oligopoly Demand

Author

Listed:
  • Bos Iwan

    (Department of Organisation, Strategy and Entrepreneurship, Maastricht University. P.O. Box 616, 6200 MD, Maastricht, The Netherlands)

  • Vermeulen Dries

    (Department of Quantitative Economics, Maastricht University, Maastricht, The Netherlands)

Abstract

We critically assess the representative consumer with quadratic aggregate utility function which forms the foundation of a well-known class of linear oligopoly demand structures. It is argued that this approach is problematic and redundant. Regarding the latter, we show how the same demand system can be derived directly from a population of heterogeneous buyers for any number of products. Welfare analyses based on aggregate demand is shown to be sensitive to the underlying microfoundation.

Suggested Citation

  • Bos Iwan & Vermeulen Dries, 2022. "On the Microfoundation of Linear Oligopoly Demand," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 22(1), pages 1-15, January.
    • Handle: RePEc:bpj:bejtec:v:22:y:2022:i:1:p:1-15:n:6
    DOI: 10.1515/bejte-2019-0114
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    Cited by:

    1. Soeiro, Renato & Adrego Pinto, Alberto, 2019. "Social power as a solution to the Bertrand Paradox," MPRA Paper 94271, University Library of Munich, Germany.
    2. Afonso Rodrigues, 2025. "Consumer Choice Over Shopping Baskets: A Linear Demand Approach," Papers 2511.11846, arXiv.org.
    3. Choné, Philippe & Linnemer, Laurent, 2020. "Linear demand systems for differentiated goods: Overview and user’s guide," International Journal of Industrial Organization, Elsevier, vol. 73(C).
    4. Niuniu Zhang, 2025. "Too Noisy to Collude? Algorithmic Collusion Under Laplacian Noise," Papers 2509.02800, arXiv.org.
    5. Neelanjan Sen & Uday Bhanu Sinha, 2023. "When to merge with a lower quality producer?," Journal of Economics, Springer, vol. 138(2), pages 165-188, March.

    More about this item

    Keywords

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    JEL classification:

    • B4 - Schools of Economic Thought and Methodology - - Economic Methodology
    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance

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