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Endogenous cost asymmetry and insufficient entry in the absence of scale economies

Author

Listed:
  • Arijit Mukherjee
Abstract
The literature analysing social efficiency of entry argues that entry is always socially excessive in industries with asymmetric cost firms and no scale economies. We show that exogenous cost asymmetry is responsible for this result. In a simple model with endogenous R&D investment by the more cost efficient firm, thus creating endogenous cost asymmetry, we show that entry is socially insufficient instead of excessive if slope of the marginal cost of R&D is not very high.

Suggested Citation

  • Arijit Mukherjee, 2010. "Endogenous cost asymmetry and insufficient entry in the absence of scale economies," Discussion Papers 10/12, University of Nottingham, School of Economics.
    • Handle: RePEc:not:notecp:10/12
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    File URL: https://www.nottingham.ac.uk/economics/documents/discussion-papers/10-12.pdf
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    References listed on IDEAS

    as
    1. Kotaro Suzumura & Kazuharu Kiyono, 1987. "Entry Barriers and Economic Welfare," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 54(1), pages 157-167.
    2. Cabral, Luis M. B., 2004. "Simultaneous entry and welfare," European Economic Review, Elsevier, vol. 48(5), pages 943-957, October.
    3. Anderson, Simon P & de Palma, Andre & Nesterov, Yurii, 1995. "Oligopolistic Competition and the Optimal Provision of Products," Econometrica, Econometric Society, vol. 63(6), pages 1281-1301, November.
    4. Okuno-Fujiwara, Masahiro & Suzumura, Kotaro, 1993. "Symmetric Cournot Oligopoly and Economic Welfare: A Synthesis," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 3(1), pages 43-59, January.
    5. N. Gregory Mankiw & Michael D. Whinston, 1986. "Free Entry and Social Inefficiency," RAND Journal of Economics, The RAND Corporation, vol. 17(1), pages 48-58, Spring.
    6. Jingang Zhao, 2009. "Necessary and sufficient conditions for the optimal number of firms," Journal of Economics, Springer, vol. 98(3), pages 235-246, December.
    7. Arghya Ghosh & Souresh Saha, 2007. "Excess Entry in the Absence of Scale Economies," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 30(3), pages 575-586, March.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. de Pinto Marco & Goerke Laszlo, 2019. "Efficiency Wages in Cournot-Oligopoly," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 19(4), pages 1-13, October.
    2. Akio Kawasaki, 2021. "Optimal number of privatised products in a differentiated mixed oligopoly with free market entry," Australian Economic Papers, Wiley Blackwell, vol. 60(4), pages 651-663, December.
    3. Marco de Pinto & Laszlo Goerke, 2022. "Cost uncertainty in an oligopoly with endogenous entry," Bulletin of Economic Research, Wiley Blackwell, vol. 74(4), pages 927-948, October.
    4. Laszlo Goerke, 2017. "Tax evasion in a Cournot oligopoly with endogenous entry," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 24(5), pages 754-779, September.
    5. Goerke, Laszlo, 2020. "A political economy perspective on horizontal FDI in a dynamic Cournot-oligopoly with endogenous entry," European Journal of Political Economy, Elsevier, vol. 63(C).
    6. Debasmita Basak & Emmanuel Petrakis, 2021. "Social efficiency of entry: Implications of network externalities," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 30(4), pages 820-829, November.
    7. Angela C. Chao & Zhengning Pu, 2017. "Corporate Social Responsibility and Environmentally Sound Technology in Endogenous Firm Growth," Sustainability, MDPI, vol. 9(2), pages 1-13, February.
    8. Basak Debasmita & Mukherjee Arijit, 2022. "Social Efficiency of Market Entry Under Tax Policy," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 22(3), pages 601-610, July.

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    More about this item

    Keywords

    Excessive entry; Insufficient entry; Cost asymmetry; R&D;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General
    • L50 - Industrial Organization - - Regulation and Industrial Policy - - - General

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