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Abgrenzung zweiseitiger Märkte am Beispiel von Internetsuchmaschinen
Dewenter, Ralf; Rösch, Jürgen; Terschüren, Anna - 2014
Google wird häufig als marktmächtig bezeichnet. Grund dafür ist ein mutmaßlicher Marktanteil von über 90% in manchen … Ländern. Eine gründliche Marktabgrenzung im wettbewerbsrechtlichen Sinne liegt dieser Aussage aber nicht zugrunde. Was umfasst … Debatte oft glaubhaft gemacht wird. Die Marktabgrenzung ist vielmehr abhängig von der zugrundeliegenden wettbewerblichen …
Persistent link: https://www.econbiz.de/10010419097
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Abgrenzung zweiseitiger Märkte am Beispiel von Internetsuchmaschinen
Dewenter, Ralf; Rösch, Jürgen; Terschüren, Anna - Fächergruppe Volkswirtschaftslehre, Helmut Schmidt … - 2014
Google is supposed to be the dominant player in most search markets around the world. But what is a search market? To …
Persistent link: https://www.econbiz.de/10010991240
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Market Definition as a Problem of Statistical Inference
Boshoff, Willem H. - 2015
Market definition is conducted under conditions of notable uncertainty, due to conceptual ambiguity and model uncertainty. Statistical decision theory can help to explain and improve the market definition decision. Specifically, a Bayesian decision rule can assist analysts in defining markets by...
Persistent link: https://www.econbiz.de/10014140124
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The Problem of Search Engines as Essential Facilities : An Economic & Legal Assessment
Manne, Geoffrey A. - 2012
accurately, Google, the policy scolds’ bête noir of the day) as an “essential facility,” and necessitating government … complex arguments in favor of their positions, and the European Commission has even opened a formal investigation into Google … has yet claimed that Google should offer up links to competing general search engines as a remedy for its perceived market …
Persistent link: https://www.econbiz.de/10014186711
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The ELI Model Rules on Online Platforms
Busch, Christoph; Dannemann, Gerhard; Schulte-Nölke, Hans - 2021
In March 2020, the membership of the European Law Institute adopted the ELI Model Rules on Online Platforms. These Model Rules are the result of a 5-year project during which a multinational working group drafted and developed rules for the relationship between online platforms and their users....
Persistent link: https://www.econbiz.de/10013220687
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The Rise of the Platform Economy : A New Challenge for EU Consumer Law?
Busch, Christoph - 2016
The aim of this paper is to reflect upon the need to adjust EU consumer contract law to take into account the changing market structure caused by the rise of online platforms such as Airbnb, Uber or Amazon Marketplace. It is argued that the existing regulatory framework is primarily focused on...
Persistent link: https://www.econbiz.de/10012996190
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Crowdsourcing Consumer Confidence : How to Regulate Online Rating and Review Systems in the Collaborative Economy
Busch, Christoph - 2016
The key argument of this contribution is that there is a case for harmonisation of the rules for online rating and review systems at the European level in order to create a level playing field for the collaborative economy. Following the model of the ‘new approach’ which has been efficient...
Persistent link: https://www.econbiz.de/10014126693
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Vertical Relations, Pass-Through, and Market Definition : Evidence from Grocery Retailing
Haucap, Justus; Heimeshoff, Ulrich; Klein, Gordon J.; … - 2021
We examine how different pass-through rates, from input- to final consumer prices, and different vertical contracts affect upstream market definition. Our theory model predicts that, under reasonable conditions, higher pass-through rates lead to definitions of larger upstream markets. Data from...
Persistent link: https://www.econbiz.de/10013314949
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Vertical relations, passthrough and market definition : evidence from grocery retailing
Haucap, Justus; Heimeshoff, Ulrich; Klein, Gordon J.; … - 2020
We examine how different pass-through rates, from input- to final consumer prices, and different vertical contracts affect upstream market definition. Our theory model predicts that, under reasonable conditions, higher pass-through rates lead to definitions of larger upstream markets. Data...
Persistent link: https://www.econbiz.de/10012313781