IDEAS home Printed from
   My bibliography  Save this book chapter

Antitrust Policy toward Horizontal Mergers

In: Handbook of Industrial Organization


  • Whinston, Michael D.


Recently there has been a notable increase in interest in antitrust law in much of the world. This chapter discusses antitrust policy toward horizontal mergers, the area of antitrust that has seen some of the most dramatic improvements in both economic tools and the application of economics in enforcement practice. The chapter discusses theoretical considerations, merger laws and enforcement practices, econometric methods for analyzing prospective horizontal mergers, and evidence concerning the ex post effects of actual horizontal mergers.

Suggested Citation

  • Whinston, Michael D., 2007. "Antitrust Policy toward Horizontal Mergers," Handbook of Industrial Organization, in: Mark Armstrong & Robert Porter (ed.), Handbook of Industrial Organization, edition 1, volume 3, chapter 36, pages 2369-2440, Elsevier.
  • Handle: RePEc:eee:indchp:3-36

    Download full text from publisher

    File URL:
    Download Restriction: Full text for ScienceDirect subscribers only

    As the access to this document is restricted, you may want to search for a different version of it.


    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.

    Cited by:

    1. Emilie Dargaud & Carlo Reggiani, 2015. "On The Price Effects Of Horizontal Mergers: A Theoretical Interpretation," Bulletin of Economic Research, Wiley Blackwell, vol. 67(3), pages 236-255, July.
    2. Kai Hüschelrath & Kathrin Müller, 2015. "Market Power, Efficiencies, and Entry Evidence from an Airline Merger," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 36(4), pages 239-255, June.
    3. Dertwinkel-Kalt, Markus & Wey, Christian, 2016. "Structural remedies as a signaling device," Information Economics and Policy, Elsevier, vol. 35(C), pages 1-6.
    4. Michele Bisceglia & Salvatore Piccolo & Emanuele Tarantino, 2018. "M&A Advisory and the Merger Review Process," CSEF Working Papers 515, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    5. Petrakis, Emmanuel & Manasakis, C. & Cabolis, C. & Moreno, Diego, 2016. "R&D investments fostering horizontal mergers," UC3M Working papers. Economics 23280, Universidad Carlos III de Madrid. Departamento de Economía.
    6. Carril, Rodrigo & Duggan, Mark, 2020. "The impact of industry consolidation on government procurement: Evidence from Department of Defense contracting," Journal of Public Economics, Elsevier, vol. 184(C).
    7. Kai Hüschelrath & Kathrin Müller, 2014. "Airline Networks, Mergers, and Consumer Welfare," Journal of Transport Economics and Policy, University of Bath, vol. 48(3), pages 385-407, September.
    8. Xiaowei Cai & Kyle Stiegert & Stephen Koontz, 2011. "Regime switching and oligopsony power: the case of U.S. beef processing," Agricultural Economics, International Association of Agricultural Economists, vol. 42(1), pages 99-109, January.
    9. Joel David, 2012. "The Aggregate Implications of Mergers and Acquisitions," 2012 Meeting Papers 1178, Society for Economic Dynamics.
    10. Ben Mermelstein & Volker Nocke & Mark A. Satterthwaite & Michael D. Whinston, 2020. "Internal versus External Growth in Industries with Scale Economies: A Computational Model of Optimal Merger Policy," Journal of Political Economy, University of Chicago Press, vol. 128(1), pages 301-341.
    11. Sertsios, Giorgo, 2020. "Corporate finance, industrial organization, and organizational economics," Journal of Corporate Finance, Elsevier, vol. 64(C).
    12. Breinlich, Holger & Nocke, Volker & Schutz, Nicolas, 2017. "International aspects of merger policy: A survey," International Journal of Industrial Organization, Elsevier, vol. 50(C), pages 415-429.
    13. Coublucq, Daniel, 2013. "Demand estimation with selection bias: A dynamic game approach with an application to the US railroad industry," DICE Discussion Papers 94, University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    14. BOCCARD, Nicolas, 2009. "On efficiency, concentration and welfare," LIDAM Discussion Papers CORE 2009040, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    15. Haucap, Justus & Heimeshoff, Ulrich & Klein, Gordon J. & Rickert, Dennis & Wey, Christian, 2021. "Vertical relations, pass-through, and market definition: Evidence from grocery retailing," International Journal of Industrial Organization, Elsevier, vol. 74(C).
    16. Theodosios Dimopoulos & Stefano Sacchetto, 2014. "Merger Activity in Industry Equilibrium," GSIA Working Papers 2012-E47, Carnegie Mellon University, Tepper School of Business.
    17. Marco Pagnozzi & Antonio Rosato, 2014. "Entry by Takeover: Auctions vs. Negotiations," CSEF Working Papers 353, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    18. Chen, J. & Elliott, M. & Koh, A., 2020. "Capability Accumulation and Conglomeratization in the Information Age," Cambridge Working Papers in Economics 2069, Faculty of Economics, University of Cambridge.
    19. Vajjhala, Shalini P. & Mische John, Anna & Evans, David A., 2008. "Determining the Extent of Market and Extent of Resource for Stated Preference Survey Design Using Mapping Methods," Discussion Papers dp-08-14, Resources For the Future.
    20. Dimopoulos, Theodosios & Sacchetto, Stefano, 2017. "Merger activity in industry equilibrium," Journal of Financial Economics, Elsevier, vol. 126(1), pages 200-226.

    More about this item


    industrial organization;

    JEL classification:

    • L0 - Industrial Organization - - General


    Access and download statistics


    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:indchp:3-36. See general information about how to correct material in RePEc.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Nithya Sathishkumar). General contact details of provider: .

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service hosted by the Research Division of the Federal Reserve Bank of St. Louis . RePEc uses bibliographic data supplied by the respective publishers.