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Market Definition: Use and Abuse


  • Unknown
  • Dennis Carlton


Market definition is a crude though sometimes useful tool for identifying market power. The ambiguity in what analysts mean by market power (price above marginal cost, or excess profits) cannot be resolved by market share.

Suggested Citation

  • Unknown & Dennis Carlton, 2007. "Market Definition: Use and Abuse," CPI Journal, Competition Policy International, vol. 3.
  • Handle: RePEc:cpi:cpijrn:3.1.2007:i=4904

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    References listed on IDEAS

    1. David Evans & Richard Schmalensee, 2007. "The Industrial Organization of Markets with Two-Sided Platforms," CPI Journal, Competition Policy International, vol. 3.
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    Cited by:

    1. Reurink, Arjan, 2016. "Financial fraud: A literature review," MPIfG Discussion Paper 16/5, Max Planck Institute for the Study of Societies.
    2. Dennis Carlton & Ken Heyer, 2007. "The Year in Review: Economics at the Antitrust Division, 2006–2007," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 31(2), pages 121-137, September.
    3. Hongjai Rhee & Minsoo Park, 2011. "Fixed-to-mobile call substitution and telephony market definition in Korea," Journal of Regulatory Economics, Springer, vol. 40(2), pages 198-218, October.
    4. Dennis W. Carlton, 2007. "Does Antitrust Need to be Modernized?," Journal of Economic Perspectives, American Economic Association, vol. 21(3), pages 155-176, Summer.
    5. Lapo Filistrucchi, 2008. "A SSNIP test for two-sided markets: the case of media," Working Papers 08-34, NET Institute, revised Oct 2008.
    6. John Lopatka, 2011. "Market Definition?," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 39(1), pages 69-93, August.
    7. Oğuz, Fuat & Akkemik, K. Ali & Göksal, Koray, 2015. "Toward a wider market definition in broadband: The case of Turkey," Utilities Policy, Elsevier, vol. 37(C), pages 111-119.

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