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Market Structure, Scale Economies and Industry Performance

Author

Listed:
  • Rabah Amir

    (University of Southern Denmark)

Abstract

We provide an extensive and general investigation of the effects on industry performance (profits and social welfare) of exogenously changing the number of firms in a Cournot framework. This amounts to an in-depth exploration of the well-known trade-off between competition and production efficiency. We establish that under scale economies, welfare is maximized by a finite number of firms. Our results shed light on several theoretical issues and policy debates in industrial organization, including the relationship between the Herfindahl index and social welfare, free versus socially optimal entry, concentration and profitability, destructive competition and natural monopoly. Our analytical approach combines simplicity with generality.

Suggested Citation

  • Rabah Amir, "undated". "Market Structure, Scale Economies and Industry Performance," CIE Discussion Papers 2000-03, University of Copenhagen. Department of Economics. Centre for Industrial Economics.
    • Handle: RePEc:kud:kuieci:2000-03
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    File URL: http://www.econ.ku.dk/cie/dp/dp_2000-2002/2000-03.pdf/
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    Cited by:

    1. Duso, Tomaso & Seldeslachts, Jo & Szucs, Florian, 2019. "The Impact of Competition Policy Enforcement on the Functioning of EU Energy Markets," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 40(01), pages 97-120.
    2. Fang Tian & Greys Sošić & Laurens Debo, 2019. "Manufacturers’ Competition and Cooperation in Sustainability: Stable Recycling Alliances," Management Science, INFORMS, vol. 65(10), pages 4733-4753, October.
    3. Doan, Tinh & Stevens, Philip, 2012. "Evolution of competition in Vietnam industries over the recent economic transition," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy, vol. 6, pages 1-24.
    4. Jugnu Ansari, 2013. "A new measure of competition in Indian loan markets," International Journal of Finance & Banking Studies, Center for the Strategic Studies in Business and Finance, vol. 2(4), pages 60-77, October.
    5. Amir, Rabah & Lazzati, Natalia, 2011. "Network effects, market structure and industry performance," Journal of Economic Theory, Elsevier, vol. 146(6), pages 2389-2419.
    6. Koski, Heli & Pajarinen, Mika, 2013. "Empirical Evaluation of the Effectiveness of Competition Policy," ETLA Working Papers 15, The Research Institute of the Finnish Economy.
    7. Xuan Dong Nguyen & Xavier de Vanssay & Craig Parsons, 2015. "The Japanese Automobile Tyre Industry under Scrutiny," International Journal of the Economics of Business, Taylor & Francis Journals, vol. 22(1), pages 141-162, February.
    8. Arijit Mukherjee & Uday Bhanu Sinha, 2024. "Welfare reducing vertical integration in a bilateral monopoly under Nash bargaining," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 26(3), June.
    9. Jedlicka, Lorenz & Jumah, Adusei, 2006. "The Austrian Insurance Industry: A Structure, Conduct and Performance Analysis," Economics Series 189, Institute for Advanced Studies.
    10. Paul Belleflamme & Eric Toulemonde, 2009. "Negative Intra-Group Externalities In Two-Sided Markets," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 50(1), pages 245-272, February.
    11. Sara Amoroso & Peter M. Kort & Bertrand Melenberg & Joseph Plasmans & Mark Vancauteren, 2010. "Firm Level Productivity under Imperfect Competition in Output and Labor Markets," CESifo Working Paper Series 3082, CESifo.
    12. Tee, Kenny & Syriopoulos, Konstantinos & Rubbaniy, Ghulame & Salim, Amna, 2025. "Asymmetric relationship between competition and innovation: Evidence from banks in the Eurozone," The Journal of Economic Asymmetries, Elsevier, vol. 32(C).
    13. Lewis Evans & Patrick Hughes, 2003. "Competition Policy in Small Distant Open Economies: Some Lessons from the Economics Literature," Treasury Working Paper Series 03/31, New Zealand Treasury.
    14. Maman Setiawan, 2023. "Measuring the Competition Index in the Indonesian Manufacturing Industry: The Structure–Conduct–Performance Paradigm," Sustainability, MDPI, vol. 15(15), pages 1-13, July.
    15. Mishra, Suryaprakash, 2025. "Cost structures and innovation incentives," Mathematical Social Sciences, Elsevier, vol. 136(C).
    16. Boone, J. & van Ours, J.C. & van der Wiel, H.P., 2007. "How (Not) to Measure Competition," Discussion Paper 2007-32, Tilburg University, Center for Economic Research.
    17. Hailu Abebe Wondirad, 2020. "Competition and microfinance institutions’ performance: evidence from India," International Journal of Corporate Social Responsibility, Springer, vol. 5(1), pages 1-19, December.
    18. Boone, J. & van Ours, J.C. & van der Wiel, H.P., 2007. "How (Not) to Measure Competition," Discussion Paper 2007-32, Tilburg University, Center for Economic Research.
    19. Manuela Mosca, 2008. "On the origins of the concept of natural monopoly: Economies of scale and competition," The European Journal of the History of Economic Thought, Taylor & Francis Journals, vol. 15(2), pages 317-353.
    20. Schiersch Alexander & Schmidt-Ehmcke Jens, 2011. "Is the Boone-Indicator Applicable? – Evidence from a Combined Data Set of German Manufacturing Enterprises," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), De Gruyter, vol. 231(3), pages 336-357, June.
    21. M. van Leuvensteijn, 2014. "The Boone-indicator: Identifying different regimes of competition for the American Sugar Refining Company 1890-1914," Working Papers 08-37, Utrecht School of Economics.
    22. Ramon Fauli‐Oller & Joel Sandonís, 2022. "Fee versus royalty licensing in a Cournot duopoly with increasing marginal costs," Manchester School, University of Manchester, vol. 90(4), pages 439-452, July.

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    Keywords

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    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D60 - Microeconomics - - Welfare Economics - - - General
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General

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