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Does one more or one less mobile opertor affect prices? A comprehensive ex-post evaluation of entries and mergers in European mobile telecommunication markets

  • Csorba, Gergely
  • Pápai, Zoltán
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    This paper estimates the impact of entries and mergers on the price of mobile voice services in a panel database of 27 European Member States between 2003 and 2010. Our difference-in-differences econometric methodology exploits the variance in different structural changes between countries to separate the respective effects. Our results show that the effect of entry crucially depends on the number of active operators and the type of entrant, and not controlling for these differences might lead to misleading conclusions. We find no robust evidence that entry has a price-decreasing effect on markets with originally 2 operators. However, the entry of a 4th operator does have a price-decreasing effect, but with different dynamics concerning the entrant's type. When we separate entry effects for the subsequent years, we show that the significant price-decreasing effects for local operators entering occur only in the first year after entry, while the price-decreasing effects for multinational entries are significantly larger on the long-run. Last, we find no price-increasing effects of 5-to-4 mergers, but a long run price-increasing effect of a 4-to-3 merger.

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    File URL: http://econstor.eu/bitstream/10419/88503/1/773139184.pdf
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    Paper provided by International Telecommunications Society (ITS) in its series 24th European Regional ITS Conference, Florence 2013 with number 88503.

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    Date of creation: 2013
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    Handle: RePEc:zbw:itse13:88503
    Contact details of provider: Web page: http://www.itseurope.org/

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    1. Joshua D. Angrist & Jörn-Steffen Pischke, 2010. "The Credibility Revolution in Empirical Economics: How Better Research Design is Taking the Con out of Econometrics," Working Paper Series of the German Council for Social and Economic Data 142, German Council for Social and Economic Data (RatSWD).
    2. Li, Yan & Lyons, Bruce, 2012. "Market structure, regulation and the speed of mobile network penetration," International Journal of Industrial Organization, Elsevier, vol. 30(6), pages 697-707.
    3. Philippe Chone & Laurent Linnemer, 2010. "A Treatment Effect Method for Merger Analysis with an Application to Parking Prices in Paris," Working Papers 2010-48, Centre de Recherche en Economie et Statistique.
    4. Marianne Bertrand & Esther Duflo & Sendhil Mullainathan, 2004. "How Much Should We Trust Differences-in-Differences Estimates?," The Quarterly Journal of Economics, MIT Press, vol. 119(1), pages 249-275, February.
    5. Imbens, Guido W. & Wooldridge, Jeffrey M., 2008. "Recent Developments in the Econometrics of Program Evaluation," IZA Discussion Papers 3640, Institute for the Study of Labor (IZA).
    6. Leemore Dafny, 2009. "Estimation and Identification of Merger Effects: An Application to Hospital Mergers," Journal of Law and Economics, University of Chicago Press, vol. 52(3), pages 523-550, 08.
    7. Gruber,Harald, 2005. "The Economics of Mobile Telecommunications," Cambridge Books, Cambridge University Press, number 9780521843270.
    8. Justine S. Hastings, 2004. "Vertical Relationships and Competition in Retail Gasoline Markets: Empirical Evidence from Contract Changes in Southern California," American Economic Review, American Economic Association, vol. 94(1), pages 317-328, March.
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