{"title":"Two-sided market definition: some common misunderstandings","authors":"Gunnar Niels, Helen Ralston","doi":"10.1080/17441056.2020.1851478","DOIUrl":null,"url":null,"abstract":"ABSTRACT Market definition remains an important step in competition cases. The European Commission is in the process of updating its 1997 Market Definition Notice. One hotly debated topic is defining markets for two-sided platforms. In this article we address some of the main questions and misunderstandings about two-sided market definition, We discuss how the hypothetical monopolist test and critical loss analysis apply to two-sided platforms, and address questions such as: Should there be one market for the platform, or two markets (one for each side)? Is there a distinction in market definition between transaction and non-transaction platforms? What if the externalities flow in only one direction? What if the price is zero on one side of the platform? And can the market include non-platform competitors?","PeriodicalId":52118,"journal":{"name":"European Competition Journal","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/17441056.2020.1851478","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Competition Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/17441056.2020.1851478","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Social Sciences","Score":null,"Total":0}
引用次数: 2
Abstract
ABSTRACT Market definition remains an important step in competition cases. The European Commission is in the process of updating its 1997 Market Definition Notice. One hotly debated topic is defining markets for two-sided platforms. In this article we address some of the main questions and misunderstandings about two-sided market definition, We discuss how the hypothetical monopolist test and critical loss analysis apply to two-sided platforms, and address questions such as: Should there be one market for the platform, or two markets (one for each side)? Is there a distinction in market definition between transaction and non-transaction platforms? What if the externalities flow in only one direction? What if the price is zero on one side of the platform? And can the market include non-platform competitors?
期刊介绍：
The European Competition Journal publishes outstanding scholarly articles relating to European competition law and economics. Its mission is to help foster learning and debate about how European competition law and policy can continue to develop in an economically rational way. Articles published in the Journal are subject to rigorous peer review by leading experts from around Europe. Topics include: -Vertical and Conglomerate Mergers -Enlargement of the Union - the ramifications for Competition Policy -Unilateral and Coordinated Effects in Merger Control -Modernisation of European Competition law -Cartels and Leniency.
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