The debate about the implications of algorithms on competition law enforcement has so far focused on multi-firm conduct in general and collusion in particular. The implications of algorithms on abuse of dominance have been largely neglected. This article seeks to fill the gap in the existing...

Aggregate concentration has recently been recognized as an important source of competitive constraints. The concerns raised by it are, however, particularly difficult to deal with, largely because they do not lend themselves to straightforward solutions. This chapter examines the use of abuse of...

While there has been extensive discussion in the antitrust literature on the procompetitive and anticompetitive effects of joint ventures, there is a lack of systematic analysis on the potential of a joint venture to have collusive harm beyond its home market. This article aims to fill the gap...

International attention on the People's Republic of China PRC Anti-Monopoly Law (AML) has mostly focused on merger control and abuse of dominance. Enforcement against restrictive agreements and concerted practice seems to have been overlooked so far. This article examines how the Chinese courts...

Abuse of superior bargaining position has long been a controversial area of Japanese competition law. Even though it is by no means unique to Japan — Korea, Taiwan, France, and Germany among others also have similar regulation — Japan's abuse regulation has tended to attract more attention...

Competition law is generally focused on competition in a market. Yet, as recent economic studies have clearly indicated, one of the main sources of competition concerns of jurisdictions around the world is the impact of high levels of aggregate concentration in their markets, when a small group...

This Article examines the agreement requirement in resale price maintenance (“RPM”) cases and the longstanding exception to the ban on RPM under the Colgate doctrine. It argues for the abolition of the doctrine for a number of reasons. First, there are no persuasive theoretical...

This is the first academic monograph on the new competition law in Hong Kong. It provides an overview of the historical background of the Competition Ordinance, highlighting the debate and the process that led to the adoption of the Ordinance. It offers detailed comparative and theoretical...

"Seven years after the passage of the Competition Ordinance (the Ordinance) and four years after it came into effect, it is easy to forget how remarkable the journey has been for the adoption of competition law in Hong Kong. Since the early 1990s, when the Consumer Council, a quasi-governmental...

This article explores a competition problem that has been long neglected in the two major competition law jurisdictions, the United States and the European Union, conglomerate dominance or aggregate concentration. With their continental scale, the U.S. or the EU economies are unlikely to be...