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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Case Digests ×

Challenges to Antitrust in a Changing Economy [conference report]

On November 9th, CPI and CCIA organized a conference on the topic of ‘Challenges to Antitrust in a Changing Economy’ at Harvard Law School. In the style of our previous conference recap on this blog, this post covers some of the salient issues discussed during the conference for those who could not make it (or want to relive it). Panel 1: Measuring Concentration Bruce […]

Recap of the 2nd CoRe conference, 24 Oct. 2018

Last week CoRe, CCIA and the VUB held their second (fully booked!) conference about the challenges of competition law policy in digital markets. During the conference some of the hottest cases and questions with regard to competition policy in digital markets were discussed by experts from practice and academia. This post brings you some of the key issues that were […]

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 […]

The Commission proposes a Regulation on platform-to-business trading practices

On 26 April 2018, the European Commission adopted its Proposal for a Regulation ‘on promoting fairness and transparency for business users of online intermediation services’. In short, the proposal seeks to regulate the relation between platforms and businesses by imposing a number of transparency obligations on the former. In this blog post, I will take a closer look at the […]

Online platforms and refusal to deal – Unlockd vs. Google – a seminal case in the making?

The recent standoff between advertisement application developer Unlockd and Google, concerning the removal of Unlockd from the Google Play Store and AdMob marketplace, may turn out to be one of the most important competition law cases of the year. This case, which will likely require a competition law review of Google’s terms and conditions for these platforms, provides the opportunity […]

Online platforms and abuse of dominance – the case of Funda Real Estate

The application of EU competition law to online platforms has been subject to much debate in the course of the past two years. The EU Commission and several national competition law authorities have launched multiple studies in order to identify the possible challenges in this context and establish an action plan. The distinguishing characteristics of online platforms including: the reliance […]
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 >>

Case Digests ×

Challenges to Antitrust in a Changing Economy [conference report]

On November 9th, CPI and CCIA organized a conference on the topic of ‘Challenges to Antitrust in a Changing Economy’ at Harvard Law School. In the style of our previous conference recap on this blog, this post covers some of the salient issues discussed during the conference for those who could not make it (or want to relive it). Panel 1: Measuring Concentration Bruce […]

Recap of the 2nd CoRe conference, 24 Oct. 2018

Last week CoRe, CCIA and the VUB held their second (fully booked!) conference about the challenges of competition law policy in digital markets. During the conference some of the hottest cases and questions with regard to competition policy in digital markets were discussed by experts from practice and academia. This post brings you some of the key issues that were […]

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 […]

The Commission proposes a Regulation on platform-to-business trading practices

On 26 April 2018, the European Commission adopted its Proposal for a Regulation ‘on promoting fairness and transparency for business users of online intermediation services’. In short, the proposal seeks to regulate the relation between platforms and businesses by imposing a number of transparency obligations on the former. In this blog post, I will take a closer look at the […]

Online platforms and refusal to deal – Unlockd vs. Google – a seminal case in the making?

The recent standoff between advertisement application developer Unlockd and Google, concerning the removal of Unlockd from the Google Play Store and AdMob marketplace, may turn out to be one of the most important competition law cases of the year. This case, which will likely require a competition law review of Google’s terms and conditions for these platforms, provides the opportunity […]

Online platforms and abuse of dominance – the case of Funda Real Estate

The application of EU competition law to online platforms has been subject to much debate in the course of the past two years. The EU Commission and several national competition law authorities have launched multiple studies in order to identify the possible challenges in this context and establish an action plan. The distinguishing characteristics of online platforms including: the reliance […]

Case Digests ×

Challenges to Antitrust in a Changing Economy [conference report]

On November 9th, CPI and CCIA organized a conference on the topic of ‘Challenges to Antitrust in a Changing Economy’ at Harvard Law School. In the style of our previous conference recap on this blog, this post covers some of the salient issues discussed during the conference for those who could not make it (or want to relive it). Panel 1: Measuring Concentration Bruce […]

Recap of the 2nd CoRe conference, 24 Oct. 2018

Last week CoRe, CCIA and the VUB held their second (fully booked!) conference about the challenges of competition law policy in digital markets. During the conference some of the hottest cases and questions with regard to competition policy in digital markets were discussed by experts from practice and academia. This post brings you some of the key issues that were […]

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 […]

The Commission proposes a Regulation on platform-to-business trading practices

On 26 April 2018, the European Commission adopted its Proposal for a Regulation ‘on promoting fairness and transparency for business users of online intermediation services’. In short, the proposal seeks to regulate the relation between platforms and businesses by imposing a number of transparency obligations on the former. In this blog post, I will take a closer look at the […]

Online platforms and refusal to deal – Unlockd vs. Google – a seminal case in the making?

The recent standoff between advertisement application developer Unlockd and Google, concerning the removal of Unlockd from the Google Play Store and AdMob marketplace, may turn out to be one of the most important competition law cases of the year. This case, which will likely require a competition law review of Google’s terms and conditions for these platforms, provides the opportunity […]

Online platforms and abuse of dominance – the case of Funda Real Estate

The application of EU competition law to online platforms has been subject to much debate in the course of the past two years. The EU Commission and several national competition law authorities have launched multiple studies in order to identify the possible challenges in this context and establish an action plan. The distinguishing characteristics of online platforms including: the reliance […]

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