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Pricing Network Effects: Competition

Author

Listed:
  • Itay P. Fainmesser
  • Andrea Galeotti
Abstract
We study the practice of influencer marketing in oligopoly markets and its effect on market efficiency. In our model, each consumer is influenced by choices of a subset of other consumers. Firms gather information on consumers' influence and price discriminate using this information. In equilibrium, firms charge premia/subsidize below-/above-average-influential consumers; the premia/discounts depend on the strength of network effects and on how much information firms have on consumers' influence. Influencer marketing leads to inefficient consumer-product matches. Firms' investments in information are strategic complements, leading to a race for information acquisition that erodes welfare and firms' profits but increases consumer surplus.

Suggested Citation

  • Itay P. Fainmesser & Andrea Galeotti, 2020. "Pricing Network Effects: Competition," American Economic Journal: Microeconomics, American Economic Association, vol. 12(3), pages 1-32, August.
    • Handle: RePEc:aea:aejmic:v:12:y:2020:i:3:p:1-32
    DOI: 10.1257/mic.20170226
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    References listed on IDEAS

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    1. Itay P. Fainmesser & Andrea Galeotti, 2016. "Pricing Network Effects," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 83(1), pages 165-198.
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    Citations

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    Cited by:

    1. Chen, Ying-Ju & Zenou, Yves & Zhou, Junjie, 2022. "The impact of network topology and market structure on pricing," Journal of Economic Theory, Elsevier, vol. 204(C).
    2. Ostrizek, Franz & Sartori, Elia, 2023. "Screening while controlling an externality," Games and Economic Behavior, Elsevier, vol. 139(C), pages 26-55.
    3. Goonj Mohan, 2024. "The Data Economy and Polarization on Social Media," UB School of Economics Working Papers 2024/462, University of Barcelona School of Economics.
    4. Atabek Atayev & Maarten Janssen, 2024. "Information Acquisition And Diffusion In Markets," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 65(2), pages 729-753, May.
    5. Ling Liang & Zishu Han & Jiaping Xie & Jialiang Wang & Nan Shi & Weijun Zhu, 2022. "S&T Innovation Platform Sharing Service Contract Mechanism to Achieve Supply Chain Resilience," Sustainability, MDPI, vol. 14(21), pages 1-19, October.
    6. Zenou, Yves & Chen, Ying-Ju & Zhou, Junjie, 2020. "Network Topology and Market Structure," CEPR Discussion Papers 14495, C.E.P.R. Discussion Papers.
    7. Tamás Sebestyén & Balázs Szabó, 2022. "Market interaction structure and equilibrium price heterogeneity in monopolistic competition," Netnomics, Springer, vol. 22(2), pages 259-282, October.
    8. Tavasoli, Ali & Fazli, Mehrdad & Ardjmand, Ehsan & Young, William A. & Shakeri, Heman, 2023. "Competitive pricing under local network effects," European Journal of Operational Research, Elsevier, vol. 311(2), pages 545-566.
    9. Duan, Yongrui & Feng, Yixuan, 2021. "Optimal pricing in social networks considering reference price effect," Journal of Retailing and Consumer Services, Elsevier, vol. 61(C).
    10. Robin Ng, 2024. "Free and Open-Source Software: Coordination and Competition," CRC TR 224 Discussion Paper Series crctr224_2024_585, University of Bonn and University of Mannheim, Germany.
    11. Arthur Campbell & C. Matthew Leister & Yves Zenou, 2020. "Word‐of‐mouth communication and search," RAND Journal of Economics, RAND Corporation, vol. 51(3), pages 676-712, September.
    12. Jeon, Doh-Shin & Lefouili, Yassine & Li, Yaxin & Simcoe, Timothy, 2023. "Ecosystems and Complementary Platforms," TSE Working Papers 23-1468, Toulouse School of Economics (TSE), revised Apr 2024.
    13. Kor, Ryan & Zhou, Junjie, 2023. "Multi-activity influence and intervention," Games and Economic Behavior, Elsevier, vol. 137(C), pages 91-115.
    14. Janssen, Maarten & Williams, Cole, 2021. "Influencing Search," CEPR Discussion Papers 15811, C.E.P.R. Discussion Papers.

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    More about this item

    JEL classification:

    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • M31 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Marketing and Advertising - - - Marketing

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