In recent years, the concept of “information fiduciaries” has surged to the forefront of debates on platform regulation. In a forthcoming essay, we question the wisdom of applying a fiduciary framework to dominant digital platforms.

I recently published two pieces assessing Ohio v. American Express, the Court’s most significant antitrust opinion in a decade. At Vox, I explained how the Court’s 5-4 decision ratified a new and troubling approach to antitrust. In short, the Court created a special rule for what it describes as “two-sided transaction platforms”—a term that encompasses, for example,…

Over the weekend, CVS announced a proposal to acquire Aetna. The $69 billion merger would be the biggest deal ever in the health insurance industry, consolidating in a single entity the role of insurer, pharmacy, and pharmacy benefit manager. There’s good reason to think the deal—if approved by the Justice Department—would harm the public. To…