Competition law Blog

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

The CoRe Blog is the interactive online platform for up-to-date analysis of EU competition law developments. It’s the blog companion of the quarterly double-blind peer-reviewed European Competition and Regulatory Law Review (CoRe). The CoRe Blog fills in the gaps that a quarterly can’t address: immediate updates and analysis of breaking news in EU competition.

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- multi-sided markets ×

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 […]

The return of the MFN clauses – platform ranking as an enforcement mechanism for price parity

The MFN cases of the past few years have delivered a series of uncoordinated cases that created a fragmented approach towards MFN clauses. Nowadays it would appear that there is a growing consensus in Europe that wide MFN clauses should be prohibited which, also led major platform like Expedia to abandon these pricing strategies. The recent claim put forward by […]

App stores and (potential) abuses of dominance – an opportunity to reshape competition law enforcement in digital markets

During the past few weeks the number of complaints against Apple’s practices concerning the App Store has not gone unnoticed. While previous complaints by unhappy developers were perceived as isolated cases it would seem that now the flood gates have been opened, and the stream is primarily targeting Apple. In Europe, this development has been given quite some media coverage […]

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 […]
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 >>

- multi-sided markets ×

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 […]

The return of the MFN clauses – platform ranking as an enforcement mechanism for price parity

The MFN cases of the past few years have delivered a series of uncoordinated cases that created a fragmented approach towards MFN clauses. Nowadays it would appear that there is a growing consensus in Europe that wide MFN clauses should be prohibited which, also led major platform like Expedia to abandon these pricing strategies. The recent claim put forward by […]

App stores and (potential) abuses of dominance – an opportunity to reshape competition law enforcement in digital markets

During the past few weeks the number of complaints against Apple’s practices concerning the App Store has not gone unnoticed. While previous complaints by unhappy developers were perceived as isolated cases it would seem that now the flood gates have been opened, and the stream is primarily targeting Apple. In Europe, this development has been given quite some media coverage […]

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 […]

- multi-sided markets ×

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 […]

The return of the MFN clauses – platform ranking as an enforcement mechanism for price parity

The MFN cases of the past few years have delivered a series of uncoordinated cases that created a fragmented approach towards MFN clauses. Nowadays it would appear that there is a growing consensus in Europe that wide MFN clauses should be prohibited which, also led major platform like Expedia to abandon these pricing strategies. The recent claim put forward by […]

App stores and (potential) abuses of dominance – an opportunity to reshape competition law enforcement in digital markets

During the past few weeks the number of complaints against Apple’s practices concerning the App Store has not gone unnoticed. While previous complaints by unhappy developers were perceived as isolated cases it would seem that now the flood gates have been opened, and the stream is primarily targeting Apple. In Europe, this development has been given quite some media coverage […]

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 […]

How to Submit a Blog Post

Do you want to share your analysis of a competition law topic? We invite you to submit your post on, for example: recent European, national or international judgments or legislation with relevance to EU competition law; new developments, publications, hot topics in EU competition law. The recommended length of the post is 500-2,000 words incl. references (endnotes). Your analysis will be published under the category ‘Guest Blog’.

Here’s how you can publish a post on the Blog as a guest author:

Step 1: Submit your draft.

Step 2: We at Lexxion will review your draft to make sure its content and quality fit the blog. If needed, they will suggest what improvements you should make.

Step 3: Once your draft has been finalised and accepted, we will publish your post.

Submit your guest blog post

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