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Effects of Cost Changes on Oligopolists' Profits

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  • Kimmel, Sheldon

Abstract

This paper considers cost changes affecting all firms in a constant-returns-to-scale Cournot oligopoly. Cost increases may paradoxically benefit some or even all firms. Whether a firm benefits or is harmed depends only on whether its market share exceeds a threshold level, on whether industry costs increase or decrease, on the number of firms, and on the elasticity of the demand curve's slope (or equivalently, the fraction of cost changes that are passed on). Conditions where industry structure alone determines the effect of cost changes on firms' profits and conditions where cost increases necessarily harm some firms are developed. Copyright 1992 by Blackwell Publishing Ltd.

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  • Kimmel, Sheldon, 1992. "Effects of Cost Changes on Oligopolists' Profits," Journal of Industrial Economics, Wiley Blackwell, vol. 40(4), pages 441-449, December.
  • Handle: RePEc:bla:jindec:v:40:y:1992:i:4:p:441-49
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    References listed on IDEAS

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    Cited by:

    1. Zhao, Jingang, 2001. "A characterization for the negative welfare effects of cost reduction in Cournot oligopoly," International Journal of Industrial Organization, Elsevier, vol. 19(3-4), pages 455-469, March.
    2. Takanori Adachi & Muhammad Michal Fabinger, 2017. "Multi-Dimensional Pass-Through, Incidence, and the Welfare Burden of Taxation in Oligopoly," CIRJE F-Series CIRJE-F-1040, CIRJE, Faculty of Economics, University of Tokyo.
    3. Toolsema Linda A. & Schoonbeek Lambert, 2000. "On the Effects of an Industry-wide Cost Change in a Stackelberg Duopoly / Die Effekte einer industrieweiten Kostenveränderung im Stackelberg Duopol," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), De Gruyter, vol. 220(5), pages 592-598, October.
    4. Amir, Rabah & Wooders, John, 2000. "One-Way Spillovers, Endogenous Innovator/Imitator Roles, and Research Joint Ventures," Games and Economic Behavior, Elsevier, vol. 31(1), pages 1-25, April.
    5. Amir, Rabah & Encaoua, David & Lefouili, Yassine, 2014. "Optimal licensing of uncertain patents in the shadow of litigation," Games and Economic Behavior, Elsevier, vol. 88(C), pages 320-338.
    6. Takanori Adachi & Michal Fabinger, 2017. "Multi-Dimensional Pass-Through, Incidence, and the Welfare Burden of Taxation in Oligopoly," CIRJE F-Series CIRJE-F-1040, CIRJE, Faculty of Economics, University of Tokyo.
    7. Thijs Jansen & Arie Lier & Arjen Witteloostuijn, 2015. "Managerial delegation and welfare effects of cost reductions," Journal of Economics, Springer, vol. 116(1), pages 1-23, September.
    8. Ritz Robert A., 2009. "Cost Pass-Through under Delegation," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 8(1), pages 1-19, January.
    9. Rabah Amir & Isabelle Maret & Michael Troege, 2004. "On Taxation Pass-Through for a Monopoly Firm," Annals of Economics and Statistics, GENES, issue 75-76, pages 155-172.
    10. repec:kap:jincot:v:17:y:2017:i:4:d:10.1007_s10842-017-0244-5 is not listed on IDEAS
    11. Neary, J Peter, 2002. "Foreign Direct Investment and the Single Market," Manchester School, University of Manchester, vol. 70(3), pages 291-314, June.
    12. E. Glen Weyl & Michal Fabinger, 2013. "Pass-Through as an Economic Tool: Principles of Incidence under Imperfect Competition," Journal of Political Economy, University of Chicago Press, vol. 121(3), pages 528-583.
    13. Hepburn, Cameron J. & Quah, John K.-H. & Ritz, Robert A., 2013. "Emissions trading with profit-neutral permit allocations," Journal of Public Economics, Elsevier, vol. 98(C), pages 85-99.
    14. Jurgan, Jens, 2009. "Conjectural cost variations in a differentiated good oligopoly," W.E.P. - Würzburg Economic Papers 80, University of Würzburg, Chair for Monetary Policy and International Economics.
    15. Fevrier, Philippe & Linnemer, Laurent, 2004. "Idiosyncratic shocks in an asymmetric Cournot oligopoly," International Journal of Industrial Organization, Elsevier, vol. 22(6), pages 835-848, June.
    16. Jens Jurgan, 2009. "Cost Variations in a Differentiated Good Oligopoly," Working Papers 069, Bavarian Graduate Program in Economics (BGPE).
    17. Dermot Leahy & Catia Montagna, 1998. "Targeted Strategic Trade Policy with Domestic Cost Heterogeneity," Dundee Discussion Papers in Economics 100, Economic Studies, University of Dundee.
    18. Hamilton, Stephen F. & Sunding, David L., 2000. "Product liability, entry incentives and market structure," International Review of Law and Economics, Elsevier, vol. 20(2), pages 269-283, June.
    19. Chen, Hsiu-Li & Hwang, Hong & Mukherjee, Arijit & Shih, Pei-Cyuan, 2016. "Tariffs, technology licensing and adoption," International Review of Economics & Finance, Elsevier, vol. 43(C), pages 234-240.
    20. Cameron Hepburn & John Quah & Robert Ritz, 2006. "Emissions Trading and Profit-Neutral Grandfathering," Economics Series Working Papers 295, University of Oxford, Department of Economics.
    21. Hamilton, Stephen F., 1999. "Demand shifts and market structure in free-entry oligopoly equilibria," International Journal of Industrial Organization, Elsevier, vol. 17(2), pages 259-275, February.

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