Antitrust Chronicle®

Dear Readers,   This Chronicle examines how competition authorities are increasingly confronting collaboration between market participants in areas shaped by technological change, shifting policy priorities, and evolving enforcement strategies. Across...

As climate imperatives and technological standardization increasingly demand corporate collaboration, multinational enterprises find themselves navigating treacherous legal terrain. Environmental, Social and Governance (“ESG”) sustainability collaborations have emerged as critical instruments...

The enforcement landscape surrounding no-poach and wage-fixing practices has undergone a marked shift in recent years, with competition authorities across the globe placing unprecedented emphasis on alleged labor market collusion. ...

One of the more confusing questions of antitrust law pertains to when buyers choose not to buy something.  Such activity, when done collectively, can violate antitrust law as a “group...

Driven by a predisposition towards seeing competition as the solution to, and not cause of, economic and social challenges, competition law authorities have historically viewed interactions between competitors with some...

Artificial intelligence’s rapid development and high input costs are accelerating collaboration among AI firms through research consortia, compute-pooling arrangements, cloud–model partnerships, safety initiatives, platform governance, and standards-setting. These types of...

This paper examines how competition authorities should approach strategic partnerships in the artificial intelligence (AI) ecosystem, where data, computing power, and technical expertise are key competitive inputs. As AI development...

In December 2025, President Donald Trump issued an Executive Order, titled “Addressing Security Risks from Price Fixing and Anti-Competitive Behavior in the Food Supply Chain,” signaling in no uncertain terms...

Antitrust enforcers in most advanced economies have sought to synthesize competition policy and climate policy, by endorsing some form of sustainability-minded cooperation between market competitors. U.S. enforcers have not followed...

Dear Readers,   This Chronicle focuses on data-driven competition and its implications for enforcement, merger control, and digital regulation. Across the contributions in this edition, a common theme emerges: as...

This article develops an economic framework for assessing how data affects competition and merger analysis. The authors explain that data has ambiguous competitive effects because it can both intensify competition...

Data-driven markets, where innovation costs decrease with accumulated user information, tip toward durable monopoly even absent predatory conduct. The EU's Digital Markets Act correctly mandates data sharing by gatekeepers but...