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Network Effects, Market Structure and Industry Performance

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Abstract

This paper provides a thorough analysis of oligopolistic markets with positive demand-side network externalities and perfect compatibility. The minimal structure imposed on the model primitives is such that industry output increases in a firm's rivals' total output as well as in the expected network size. This leads to a generalized equilibrium existence treatment that includes guarantees for a nontrivial equilibrium, and some insight into possible multiplicity of equilibria. We formalize the concept of industry viability and show that it is always enhanced by having more firms in the market. We also characterize the effects of market structure on industry performance, with an emphasis on departures from standard markets. As per-firm profits need not be monotonic in the number of competitors, we revisit the concept of free entry equilibrium for network industries. The approach relies on lattice-theoretic methods, which allow for a unified treatment of various general results in the literature on network goods. Several illustrative examples with closed-form solutions are also provided.

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  • Rabah Amir & Natalia Lazzati, 2009. "Network Effects, Market Structure and Industry Performance," Working Papers 09-27, NET Institute.
  • Handle: RePEc:net:wpaper:0927
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    8. Adriana Gama & Rim Lahmandi-Ayed & Ana Elisa Pereira, 2020. "Entry and mergers in oligopoly with firm-specific network effects," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 70(4), pages 1139-1164, November.
    9. Nnaemeka Vincent Emodi & Girish Panchakshara Murthy & Chinenye Comfort Emodi & Adaeze Saratu Augusta Emodi, 2017. "Factors Influencing Innovation and Industrial Performance in Chinese Manufacturing Industry," International Journal of Innovation and Technology Management (IJITM), World Scientific Publishing Co. Pte. Ltd., vol. 14(06), pages 1-32, December.
    10. Rabah Amir & Igor Evstigneev & Adriana Gama, 2019. "Oligopoly with network effects: Firm-specific versus single network," The School of Economics Discussion Paper Series 1910, Economics, The University of Manchester.
    11. Shrivastav, Sumit, 2021. "Network compatibility, intensity of competition and process R&D: A generalization," Mathematical Social Sciences, Elsevier, vol. 109(C), pages 152-163.
    12. Boyarchenko, Svetlana & Levendorskiĭ, Sergei, 2014. "Preemption games under Lévy uncertainty," Games and Economic Behavior, Elsevier, vol. 88(C), pages 354-380.
    13. Sánchez Díez, Angeles & Galaso Reca, Pablo & García de la Cruz, José Manuel, 2016. "Mergers and acquisitions carried out by Spanish firms in Latin America: a network analysis study," Revista CEPAL, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL), December.
    14. Filomena Garcia & Cecilia Vergari, 2016. "Revealing Incentives for Compatibility Provision in Vertically Differentiated Network Industries," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 25(3), pages 720-749, September.
    15. Luciano Fanti & Domenico Buccella, 2016. "Bargaining Agenda and Entry in a Unionised Model with Network Effects," Italian Economic Journal: A Continuation of Rivista Italiana degli Economisti and Giornale degli Economisti, Springer;Società Italiana degli Economisti (Italian Economic Association), vol. 2(1), pages 91-121, March.
    16. Corrado Benassi & Marcella Scrimitore, 2017. "Income Distribution in Network Markets," Journal of Industry, Competition and Trade, Springer, vol. 17(3), pages 251-271, September.
    17. Svetlana Boyarchenko, 2020. "Super- and submodularity of stopping games with random observations," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 70(4), pages 983-1022, November.
    18. Marcella Scrimitore, 2019. "Endogenizing managerial delegation: A new result under Nash bargaining and network effects," EERI Research Paper Series EERI RP 2019/15, Economics and Econometrics Research Institute (EERI), Brussels.
    19. Iwan Bos & Ronald Peeters & Erik Pot, 2017. "Competition versus collusion: The impact of consumer inertia," International Journal of Economic Theory, The International Society for Economic Theory, vol. 13(4), pages 387-400, December.
    20. Bernardo Guimaraes & Caio Machado & Ana E. Pereira, 2020. "Dynamic coordination with timing frictions: Theory and applications," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 22(3), pages 656-697, June.
    21. Rabah Amir & Jean Gabszewicz & Joana Resende, 2014. "Thematic Clubs and the Supremacy of Network Externalities," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 16(5), pages 706-729, October.
    22. Marina Sheresheva & Lilia Valitova & Maria Tsenzharik & Matvey Oborin, 2020. "Industrial Life-Cycle and the Development of the Russian Tourism Industry," Journal of Risk and Financial Management, MDPI, Open Access Journal, vol. 13(6), pages 1-10, June.
    23. Chen, Ying-Ju & Zenou, Yves & Zhou, Junjie, 2020. "Network Topology and Market Structure," CEPR Discussion Papers 14495, C.E.P.R. Discussion Papers.
    24. Buccella, Domenico & Fanti, Luciano, 2020. "Do labour union recognition and bargaining deter entry in a network industry? A sequential game model," Utilities Policy, Elsevier, vol. 64(C).
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    More about this item

    Keywords

    Network effects; demand-side externalities; Cournot oligopoly; supermodularity.;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation

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