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Wettbewerb im deutschen Mobilfunkmarkt

Author

Listed:
  • Haucap, Justus
  • Heimeshoff, Ulrich
  • Stühmeier, Torben

Abstract

This paper studies competition in the German market for mobile telecommunications, motivated by recent suggestions that T-Mobile and Vodafone possess a position of collective dominance. Allegedly, their position of joint dominance is secured through a combination of first-mover advantages and discrimination between on-net and off-net prices. While our qualitative analysis remains inconclusive, as some factors tend to favour collusion while others make collusion more difficult to sustain, our empirical analysis suggests that T-Mobile and Vodafone cannot act independently of their smaller rivals, but that they are disciplined by their smaller competitors' offerings.

Suggested Citation

  • Haucap, Justus & Heimeshoff, Ulrich & Stühmeier, Torben, 2010. "Wettbewerb im deutschen Mobilfunkmarkt," DICE Ordnungspolitische Perspektiven 04, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    • Handle: RePEc:zbw:diceop:04
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    References listed on IDEAS

    as
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    5. Gabrielsen, Tommy Staahl & Vagstad, Steinar, 2008. "Why is on-net traffic cheaper than off-net traffic Access markup as a collusive device," European Economic Review, Elsevier, vol. 52(1), pages 99-115, January.
    6. Gruber,Harald, 2005. "The Economics of Mobile Telecommunications," Cambridge Books, Cambridge University Press, number 9780521843270, October.
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    8. repec:dau:papers:123456789/79 is not listed on IDEAS
    9. Christos Genakos & Tommaso Valletti, 2011. "Testing The “Waterbed” Effect In Mobile Telephony," Journal of the European Economic Association, European Economic Association, vol. 9(6), pages 1114-1142, December.
    10. Lukasz Grzybowski, 2005. "Regulation of Mobile Telephony across the European Union: An Empirical Analysis," Journal of Regulatory Economics, Springer, vol. 28(1), pages 47-67, July.
    11. Anja Lambrecht & Katja Seim & Bernd Skiera, 2007. "Does Uncertainty Matter? Consumer Behavior Under Three-Part Tariffs," Marketing Science, INFORMS, vol. 26(5), pages 698-710, 09-10.
    12. Armstrong, M., 1996. "Network interconnection," Discussion Paper Series In Economics And Econometrics 9625, Economics Division, School of Social Sciences, University of Southampton.
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    Cited by:

    1. Haucap, Justus, 2010. "Eingeschränkte Rationalität in der Wettbewerbsökonomie," DICE Ordnungspolitische Perspektiven 08, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    2. Wissner, Matthias & Elbanna, Ahmed & Sörries, Bernd & Plückebaum, Thomas, 2021. "Open RAN und SDN/NFV: Perspektiven, Optionen, Restriktionen und Herausforderungen," WIK Discussion Papers 478, WIK Wissenschaftliches Institut für Infrastruktur und Kommunikationsdienste GmbH.
    3. Muck, Johannes, 2012. "The Effect of On-net/Off-net Differentiation and Heterogeneous Consumers on Network Size in Mobile Telecommunications – An Agent-based Approach," 19th ITS Biennial Conference, Bangkok 2012: Moving Forward with Future Technologies - Opening a Platform for All 72477, International Telecommunications Society (ITS).
    4. Zucchini, Leon & Claussen, Jörg & Trüg, Moritz, 2013. "Tariff-mediated network effects versus strategic discounting: Evidence from German mobile telecommunications," International Journal of Industrial Organization, Elsevier, vol. 31(6), pages 751-759.
    5. repec:lmu:msmdpa:13764 is not listed on IDEAS
    6. repec:lmu:msmdpa:12688 is not listed on IDEAS
    7. Coenen, Michael & Haucap, Justus, 2013. "Kommunal- statt Missbrauchsaufsicht: Zur Aufsicht über Trinkwasserentgelte nach der 8. GWB-Novelle," DICE Ordnungspolitische Perspektiven 53, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    8. Muck, Johannes, 2016. "Tariff-mediated network effects with incompletely informed consumers," DICE Discussion Papers 210, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).

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    More about this item

    Keywords

    Wettbewerb; Mobilfunk; Telekommunikation; kollektive Marktbeherrschung;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
    • L96 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Telecommunications

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