A large proportion of our online activity takes place through a handful of platforms. With increased hostility towards the prevalence of vertical integration in tech markets and calls for the breaking up of profitable technology companies such as Amazon, Apple, Google and Microsoft, the time is...

The subject of vertical restraints is well-trod territory in antitrust. Most of the cases, and economic literature, have focused, however, on the physical world of manufacturers and distributors. This paper considers what's new and different about the digital world that matters for the antitrust...

14 January 2020: After months of speculation, Google finally announced its plan to phase out third-party cookies on Chrome within the next two years. As Chrome boasts a worldwide market share in excess of 64%, the news sent shockwaves in the online advertising industry, whose foundations are...

We present a model of a market failure based on a requirement provision by digital platforms in the acquisition of personal information from users of other products/services. We establish the economic harm from the market failure and the requirement using traditional antitrust methodology....

Recent claims that online platforms have secured permanent monopolies, protected by barriers to entry from network effects and stockpiles of data, and should be the focus of intense antitrust and regulatory scrutiny, are inconsistent with the economics, technology, and history of online...

Is the blockchain technology with its technical coordination mechanisms also posing new challenges to antitrust dogma? Are conventional principles transferable to platforms or do we need new approaches? This paper examines the applicability of the prohibition of concerted practices to blockchain...

This paper shows that two related aspects of attention platforms are important for the sound economic analysis of public policy including antitrust: First, attention platforms generate valuable content. Even though people often don't pay for content, we know from revealed preference that content...

Korean Abstract: 2020년 6월 2일, 유럽연합 집행위원회(European Commission)는 디지털 서비스법(Digital Services Act, “DSA”) 패키지와 새로운 경쟁법 툴(New Competition Tool, “NCT”)의 도입을 목표로 구체적인 로드맵을 담은...