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Wettbewerb im Internet: Was ist online anders als offline?

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  • Haucap, Justus
  • Wenzel, Tobias

Abstract

Das Internet ist stark durch Wettbewerb zwischen Plattformen geprägt, welche potenzielle Tauschpartner zusammenbringen. Die Konkurrenz zwischen solchen mehrseitigen Plattformen und die Marktkonzentration wird maßgeblich bestimmt durch (1) die Stärke der indirekten Netzeffekte, (2) das Ausmaß steigender Skaleneffekte, (3) Überlastungsgefahren, (4) Differenzierung der Plattformen und (5) die Möglichkeit des sogenannten Multihoming. Je nach Ausprägung dieser Faktoren ergeben sich unterschiedliche Konzentrationstendenzen und Markteintrittsbarrieren. Pauschal lässt sich zwar nicht feststellen, dass im Internet besonders viele dauerhaft resistente Monopole anzutreffen wären und ein besonderer Regulierungsbedarf besteht. Gleichwohl zeigt sich, dass einzelne Plattformen wie z.B. ebay auf manchen Märkten durchaus beträchtliche Marktmacht besitzen, die aufgrund erheblicher Markteintrittsbarrieren auch nicht schnell erodieren wird.

Suggested Citation

  • Haucap, Justus & Wenzel, Tobias, 2011. "Wettbewerb im Internet: Was ist online anders als offline?," DICE Ordnungspolitische Perspektiven 16, University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
  • Handle: RePEc:zbw:diceop:16
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    References listed on IDEAS

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    Cited by:

    1. Justus Haucap & Christiane Kehder & Christian Kersting & Sebastian Dworschak & Alexander Skipis & Ralf Müller-Terpitz, 2014. "Marktdominanz von Google, Amazon und Co.: Diktieren die Internetfirmen die Regeln?," ifo Schnelldienst, ifo Institute - Leibniz Institute for Economic Research at the University of Munich, vol. 67(16), pages 03-14, August.
    2. Hamelmann, Lisa & Haucap, Justus & Wey, Christian, 2015. "Die wettbewerbsrechtliche Zulässigkeit von Meistbegünstigungsklauseln auf Buchungsplattformen am Beispiel von HRS," DICE Ordnungspolitische Perspektiven 72, University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    3. Budzinski, Oliver, 2017. "Wettbewerbsregeln für das Digitale Zeitalter - Die Ökonomik personalisierter Daten, Verbraucherschutz und die 9. GWB-Novelle," Ilmenau Economics Discussion Papers 108, Ilmenau University of Technology, Institute of Economics.
    4. Haucap Justus & Wenzel Tobias, 2011. "Wettbewerb im Internet: Was ist online anders als offline?," Zeitschrift für Wirtschaftspolitik, De Gruyter, vol. 60(2), pages 200-211, August.
    5. Engelhardt Sebastian von & Freytag Andreas & Köllmann Volker, 2013. "Wettbewerbspolitischer Handlungsbedarf bei der Verknüpfung von zweiseitigen Märkten im Internet: Der Fall Google," Zeitschrift für Wirtschaftspolitik, De Gruyter, vol. 62(3), pages 311-332, December.
    6. Coenen, Michael & Haucap, Justus, 2013. "Kommunal- statt Missbrauchsaufsicht: Zur Aufsicht über Trinkwasserentgelte nach der 8. GWB-Novelle," DICE Ordnungspolitische Perspektiven 53, University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    7. Justus Haucap & Ulrich Heimeshoff, 2014. "Google, Facebook, Amazon, eBay: Is the Internet driving competition or market monopolization?," International Economics and Economic Policy, Springer, vol. 11(1), pages 49-61, February.
    8. Dolata, Ulrich, 2014. "Märkte und Macht der Internetkonzerne: Konzentration - Konkurrenz - Innovationsstrategien," Research Contributions to Organizational Sociology and Innovation Studies, SOI Discussion Papers 2014-04, University of Stuttgart, Institute for Social Sciences, Department of Organizational Sociology and Innovation Studies.
    9. Haucap, Justus, 2015. "Ordnungspolitik und Kartellrecht im Zeitalter der Digitalisierung," DICE Ordnungspolitische Perspektiven 77, University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    10. Haucap, Justus & Kehder, Christiane, 2014. "Stellen Google, Amazon, Facebook & Co. wirklich die marktwirtschaftliche Ordnung zur Disposition?," DICE Ordnungspolitische Perspektiven 62, University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    11. Haucap, Justus & Heimeshoff, Ulrich, 2017. "Ordnungspolitik in der digitalen Welt," DICE Ordnungspolitische Perspektiven 90, University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    12. Budzinski, Oliver & Grusevaja, Marina, 2017. "Die Medienökonomik personalisierter Daten und der Facebook-Fall," Ilmenau Economics Discussion Papers 107, Ilmenau University of Technology, Institute of Economics.
    13. Dolata, Ulrich, 2017. "Apple, Amazon, Google, Facebook, Microsoft: Market concentration - competition - innovation strategies," Research Contributions to Organizational Sociology and Innovation Studies, SOI Discussion Papers 2017-01, University of Stuttgart, Institute for Social Sciences, Department of Organizational Sociology and Innovation Studies.
    14. Budzinski, Oliver, 2016. "Aktuelle Herausforderungen der Wettbewerbspolitik durch Marktplätze im Internet," Ilmenau Economics Discussion Papers 103, Ilmenau University of Technology, Institute of Economics.
    15. Dolata, Ulrich, 2018. "Privatisierung, Kuratierung, Kommodifizierung: Kommerzielle Plattformen im Internet," Research Contributions to Organizational Sociology and Innovation Studies, SOI Discussion Papers 2018-04, University of Stuttgart, Institute for Social Sciences, Department of Organizational Sociology and Innovation Studies.

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