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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.

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  • Haucap, Justus & Wenzel, Tobias, 2011. "Wettbewerb im Internet: Was ist online anders als offline?," DICE Ordnungspolitische Perspektiven 16, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    • Handle: RePEc:zbw:diceop:16
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    1. 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.
    2. 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.
    3. 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.
    4. 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.
    5. Hamelmann, Lisa & Haucap, Justus & Wey, Christian, 2015. "Die wettbewerbsrechtliche Zulässigkeit von Meistbegünstigungsklauseln auf Buchungsplattformen am Beispiel von HRS," DICE Ordnungspolitische Perspektiven 72, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    6. Haucap, Justus & Kehder, Christiane, 2014. "Stellen Google, Amazon, Facebook & Co. wirklich die marktwirtschaftliche Ordnung zur Disposition?," DICE Ordnungspolitische Perspektiven 62, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    7. Bartelt, Nadja, 2018. "Bundling in Internetmärkten: Ökonomische Besonderheiten, Wettbewerbseffekte und Regulierungsimplikationen," Ilmenau Economics Discussion Papers 120, Ilmenau University of Technology, Institute of Economics.
    8. 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.
    9. 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.
    10. Haucap, Justus, 2015. "Ordnungspolitik und Kartellrecht im Zeitalter der Digitalisierung," DICE Ordnungspolitische Perspektiven 77, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    11. 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.
    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. 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).
    14. Müller, Christine & Schweinsberg, Andrea, 2012. "Vom Smart Grid zum Smart Market: Chancen einer plattformbasierten Interaktion," WIK Discussion Papers 364, WIK Wissenschaftliches Institut für Infrastruktur und Kommunikationsdienste GmbH.
    15. Heiland, Heiner, 2020. "Workers' Voice in platform labour: An Overview," WSI Studies 21, The Institute of Economic and Social Research (WSI), Hans Böckler Foundation.
    16. 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.
    17. Haucap, Justus & Heimeshoff, Ulrich, 2017. "Ordnungspolitik in der digitalen Welt," DICE Ordnungspolitische Perspektiven 90, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    18. Budzinski, Oliver, 2016. "Aktuelle Herausforderungen der Wettbewerbspolitik durch Marktplätze im Internet," Ilmenau Economics Discussion Papers 103, Ilmenau University of Technology, Institute of Economics.

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