Wettbewerbsrecht Blog

Official Blog of the European Competition and Regulatory Law Review (CoRe)

Der CoRe Blog bietet ein Austauschformat für aktuelle Analysen der Entwicklungen im EU-Wettbewerbsrecht. Er ist der Blog-Begleiter der vierteljährlich erscheinenden, mit einem doppelten Peer-Review-Verfahren versehenen European Competition and Regulatory Law Review (CoRe). Der CoRe-Blog füllt die Lücken, die eine viermal jährlich erscheinende Zeitschrift nicht schließen kann: unmittelbare Aktualisierungen und Analysen der neuesten Entwicklungen im EU-Wettbewerbs- und Regulierungsrecht und die Möglichkeit, diese Entwicklungen über unseren Kommentarbereich direkt mit anderen Experten zu diskutieren.

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Re-imagining the Abuse of Economic Dependence in a Digital World

As proven by the recent consultation on the Digital Services Act, the European Union is actively pursuing new solutions to cope with the challenges posed by digitalization. This post proposes a new approach to conducts taking place in the context of online commercial relationships, such as refusals to access platforms or datasets. Namely, it suggests that the European legislator should […]

Restrictions of competition by object and multi-sided platforms – insights from Budapest Bank

The judgment of the CJEU in Budapest Bank (Case C-228/18) is the most recent case that provides guidance with regard to the application of art. 101 TFEU in the context of multi-sided platforms. The CJEU explicitly confirmed the possibility of finding restrictions of competition by object by such players despite the complexities originating from their multi-sided nature. However, the manner in which […]

Business users vs. platforms – a (not entirely) new battle frontier

The recent complaint of Spotify against Apple is yet another case concerning the contractual relationship between online platforms and their business users that appear to arise quite often these days. In the context of these cases the business users of online platforms claim to be subject to undesired practices such discriminatory treatment and unreasonable pricing. The essence of most of these complaints […]

Market definition for two-(or multi) sided platforms – demand interdependence and substitution as guiding principles

The past year has led to a lot of discussion on the relation between competition law and (online) platforms and a lot of disagreement on how competition law should apply in such cases as displayed by comments on the major cases of Amex and Google. Unsurprisingly, one of the most contentious aspects of these cases was the market definition. It […]

Tales of two-sided markets, market definitions and anti-competitive effects – insights from Ohio v. American Express

  The case of Ohio v. Amex is the final phase of a long legal battle that started back in 2010 where Amex was accused of infringing section 1 of the Sherman Act for imposing its anti-steering provisions on merchants accepting Amex. While not delivering on all fronts, the case of Amex is an important one in the context of […]
Anja Naumann

Blog Editor

LL.M., PhD, currently legal trainee at the Higher Regional Court of Berlin.

>> Anja’s CoRe Blog posts >>

Daniel Mandrescu

Blog editor

Assistant Professor EU competition law, Europa Institute, Leiden University

>> Daniel’s CoRe blog posts >>

Friso Bostoen

Blog Editor

Assistant Professor of Competition Law and Digital Regulation, Tilburg University

Friso Bostoen is an assistant professor of competition law and digital regulation at Tilburg University. Previously, he was a Max Weber Fellow at the European University Institute. He holds degrees from KU Leuven (PhD, LLM) and Harvard University (LLM). Friso’s research focuses on antitrust enforcement in digital markets. His work has resulted in numerous international publications, presentations, and awards (including the AdC Competition Policy Award 2019 and the Concurrences PhD Award 2022). In addition, Friso edits the CoRe Blog and hosts the Monopoly Attack podcast.

>> Friso’s CoRe Blog posts >>

Nelly Stratieva

Head of Editorial Department and Data Protection Officer

Responsible for EStAL (European State Aid Law Quarterly), EPPPL (European Public Private Partnership Law Review) and CoRe (European Competition and Regulatory Law Review). Overseeing Lexxion Publisher’s privacy and data protection compliance.

Parsa Tonkaboni
Picture Rita Paukste
Rita Paukste

Former Blog Editor

Senior Associate, Motieka & Audzevicius PLP, Vilnius

>> Rita’s CoRe Blog posts >>

- platform ×

Re-imagining the Abuse of Economic Dependence in a Digital World

As proven by the recent consultation on the Digital Services Act, the European Union is actively pursuing new solutions to cope with the challenges posed by digitalization. This post proposes a new approach to conducts taking place in the context of online commercial relationships, such as refusals to access platforms or datasets. Namely, it suggests that the European legislator should […]

Restrictions of competition by object and multi-sided platforms – insights from Budapest Bank

The judgment of the CJEU in Budapest Bank (Case C-228/18) is the most recent case that provides guidance with regard to the application of art. 101 TFEU in the context of multi-sided platforms. The CJEU explicitly confirmed the possibility of finding restrictions of competition by object by such players despite the complexities originating from their multi-sided nature. However, the manner in which […]

Business users vs. platforms – a (not entirely) new battle frontier

The recent complaint of Spotify against Apple is yet another case concerning the contractual relationship between online platforms and their business users that appear to arise quite often these days. In the context of these cases the business users of online platforms claim to be subject to undesired practices such discriminatory treatment and unreasonable pricing. The essence of most of these complaints […]

Market definition for two-(or multi) sided platforms – demand interdependence and substitution as guiding principles

The past year has led to a lot of discussion on the relation between competition law and (online) platforms and a lot of disagreement on how competition law should apply in such cases as displayed by comments on the major cases of Amex and Google. Unsurprisingly, one of the most contentious aspects of these cases was the market definition. It […]

Tales of two-sided markets, market definitions and anti-competitive effects – insights from Ohio v. American Express

  The case of Ohio v. Amex is the final phase of a long legal battle that started back in 2010 where Amex was accused of infringing section 1 of the Sherman Act for imposing its anti-steering provisions on merchants accepting Amex. While not delivering on all fronts, the case of Amex is an important one in the context of […]

- platform ×

Re-imagining the Abuse of Economic Dependence in a Digital World

As proven by the recent consultation on the Digital Services Act, the European Union is actively pursuing new solutions to cope with the challenges posed by digitalization. This post proposes a new approach to conducts taking place in the context of online commercial relationships, such as refusals to access platforms or datasets. Namely, it suggests that the European legislator should […]

Restrictions of competition by object and multi-sided platforms – insights from Budapest Bank

The judgment of the CJEU in Budapest Bank (Case C-228/18) is the most recent case that provides guidance with regard to the application of art. 101 TFEU in the context of multi-sided platforms. The CJEU explicitly confirmed the possibility of finding restrictions of competition by object by such players despite the complexities originating from their multi-sided nature. However, the manner in which […]

Business users vs. platforms – a (not entirely) new battle frontier

The recent complaint of Spotify against Apple is yet another case concerning the contractual relationship between online platforms and their business users that appear to arise quite often these days. In the context of these cases the business users of online platforms claim to be subject to undesired practices such discriminatory treatment and unreasonable pricing. The essence of most of these complaints […]

Market definition for two-(or multi) sided platforms – demand interdependence and substitution as guiding principles

The past year has led to a lot of discussion on the relation between competition law and (online) platforms and a lot of disagreement on how competition law should apply in such cases as displayed by comments on the major cases of Amex and Google. Unsurprisingly, one of the most contentious aspects of these cases was the market definition. It […]

Tales of two-sided markets, market definitions and anti-competitive effects – insights from Ohio v. American Express

  The case of Ohio v. Amex is the final phase of a long legal battle that started back in 2010 where Amex was accused of infringing section 1 of the Sherman Act for imposing its anti-steering provisions on merchants accepting Amex. While not delivering on all fronts, the case of Amex is an important one in the context of […]

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