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Horizontal Mergers, Structural Remedies, And Consumer Welfare In A Cournot Oligopoly With Assets

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  • THIBAUD VERGÉ

Abstract

Competition authorities sometimes require that firms divest some of their assets to rivalsin order to allow a merger to take place. This paper extends the results of Farrell andShapiro [1990a] and shows that, in the absence of technological synergies, a merger ishighly unlikely to benefit consumers, even if it is subjected to appropriate structuralremedies. For instance, a merger may ultimately lead to a lower price only if at leasttwo different firms acquire the divested assets, and if the merging parties had relativelyimportant pre-merger market shares.
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Suggested Citation

  • Thibaud Vergé, 2010. "Horizontal Mergers, Structural Remedies, And Consumer Welfare In A Cournot Oligopoly With Assets," Journal of Industrial Economics, Wiley Blackwell, vol. 58(4), pages 723-741, December.
    • Handle: RePEc:bla:jindec:v:58:y:2010:i:4:p:723-741
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    Cited by:

    1. Cosnita-Langlais Andreea & Sørgard Lars, 2018. "Enforcement and Deterrence in Merger Control: The Case of Merger Remedies," Review of Law & Economics, De Gruyter, vol. 14(3), pages 1-22, November.
    2. Stephen Davies & Matthew Olczak, 2010. "Assessing the Efficacy of Structural Merger Remedies: Choosing Between Theories of Harm?," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 37(2), pages 83-99, September.
    3. Simon Loertscher & Leslie M. Marx, 2021. "Coordinated Effects in Merger Review," Journal of Law and Economics, University of Chicago Press, vol. 64(4), pages 705-744.
    4. Dertwinkel-Kalt, Markus & Wey, Christian, 2016. "Structural remedies as a signaling device," Information Economics and Policy, Elsevier, vol. 35(C), pages 1-6.
    5. Dertwinkel-Kalt, Markus & Wey, Christian, 2014. "Remedies vs. Extreme Options in Merger Control," VfS Annual Conference 2014 (Hamburg): Evidence-based Economic Policy 100397, Verein für Socialpolitik / German Economic Association.
    6. Federico, Giulio & López, Ángel L., 2013. "Optimal asset divestments with homogeneous products," International Journal of Industrial Organization, Elsevier, vol. 31(1), pages 12-25.
    7. Hao Cheng & Xiaoting Wu & Chenhang Zeng, 2024. "Can cross-holdings benefit consumers?," Journal of Economics, Springer, vol. 141(3), pages 245-273, April.
    8. van Koten, Silvester & Ortmann, Andreas, 2013. "Structural versus behavioral remedies in the deregulation of electricity markets: An experimental investigation motivated by policy concerns," European Economic Review, Elsevier, vol. 64(C), pages 256-265.
    9. Lulu Pi & Tomislav Vukina, 2025. "Horizontal merger simulation in a Cournot oligopoly with competitive fringe: The U.S. broiler industry case," American Journal of Agricultural Economics, John Wiley & Sons, vol. 107(3), pages 869-887, May.
    10. Xavier Boutin, 2015. "Mergers and the Dynamics of Innovation," Working Papers ECARES ECARES 2015-15, ULB -- Universite Libre de Bruxelles.
    11. Mukherjee, Arijit & Ray, Achintya, 2024. "Pro-competitive merger under R&D revisited," Economics Letters, Elsevier, vol. 239(C).
    12. Emilie Dargaud, 2013. "Horizontal mergers, efficiency gains and remedies," European Journal of Law and Economics, Springer, vol. 36(2), pages 349-372, October.
    13. Swapnendu Banerjee & Arijit Mukherjee & Sougata Poddar, 2025. "Pro-competitive horizontal merger with cost reducing investments and network externalities," Economic Theory Bulletin, Springer;Society for the Advancement of Economic Theory (SAET), vol. 13(1), pages 145-162, April.
    14. Qing Hu & Aika Monden & Tomomichi Mizuno, 2022. "Downstream Cross‐Holdings and Upstream R&D," Journal of Industrial Economics, Wiley Blackwell, vol. 70(3), pages 775-789, September.
    15. John W. Mayo & Mark Whitener, 2021. "The Welfare Effects of Vertical Mergers and their Remedies," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 59(2), pages 409-441, September.
    16. Cosnita-Langlais, Andreea & Tropeano, Jean-Philippe, 2012. "Do remedies affect the efficiency defense? An optimal merger-control analysis," International Journal of Industrial Organization, Elsevier, vol. 30(1), pages 58-66.
    17. Luis Gautier & Mahelet G. Fikru, 2024. "Welfare Impact of New Firm Acquisition," Natural Resource Management and Policy, in: Handbook of Merger Control and Environmental Policy, chapter 0, pages 105-132, Springer.
    18. Dertwinkel-Kalt, Markus & Wey, Christian, 2012. "The effects of remedies on merger activity in oligopoly," DICE Discussion Papers 81, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    19. Markus Dertwinkel-Kalt & Christian Wey, 2021. "Evidence Production in Merger Control: The Role of Remedies," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 59(1), pages 1-12, August.
    20. Markus Dertwinkel-Kalt & Christian Wey, 2016. "Merger Remedies in Oligopoly under a Consumer Welfare Standard," The Journal of Law, Economics, and Organization, Oxford University Press, vol. 32(1), pages 150-179.
    21. Hammoudeh, Mosab & Nain, Amrita & Qian, Yiming, 2022. "The role of divestitures in horizontal mergers11We thank Jon Garfinkel, Jayant Kale, Kai Li, Gordon Philips, Anand Vijh, Thomas Wollmann, David Ravenscraft and participants at the 2016 American Financ," Journal of Corporate Finance, Elsevier, vol. 72(C).
    22. Simon Loertscher & Leslie M. Marx, 2019. "Mix‐and‐match divestitures and merger harm," The Japanese Economic Review, Japanese Economic Association, vol. 70(3), pages 346-366, September.
    23. Takeshi FUKASAWA & Hiroshi OHASHI, 2023. "Long-run Effect of a Horizontal Merger and Its Remedial Standards," Discussion papers 23001, Research Institute of Economy, Trade and Industry (RIETI).

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