The results of MOFCOM's review in Wal-Mart’s acquisition of control of Yihaodian is a reminder that non-competition factors play significant roles in AML merger control. MOFCOM’s decision in Wal-Mart/Yihaodian may be a striking "throw back" to the Coca-Cola/Huiyuan and Mitsubishi...

This comment is submitted by the Global Antitrust Institute (GAI) at Scalia Law School at George Mason University to the U.S. Federal Trade Commission regarding its Hearings on Competition and Consumer Protection in the 21st Century. The GAI Competition Advocacy Program discusses vertical...

Should internet era merger policy differ from industrial era merger policy? Platform ecosystems rely on economies of scale, data-driven economies of scope, high-quality algorithmic systems, and strong network effects that frequently promote winner-take-most markets. Their market dominance has...

This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each area, we select the most relevant portions of...

The importance of economics to the analysis and enforcement of competition policy and law has increased tremendously in the developed market economies in the past forty years. In younger and developing market economies, competition law itself has a history of twenty to twenty-five years at most...

Antitrust populists increasingly call on the government to “break up big tech.” But antitrust enforcers would face heavy evidentiary burdens if they sought to break a company up on the premise that a long-consummated merger was unlawful from the outset and should have been blocked years ago....

This paper looks at whether the standard unilateral effects model can be applied to non-price competition parameters such as innovation. This question arises because competition authorities are intervening in horizontal mergers that are found to give rise to a “significant impediment to...

This paper provides an economic analysis of recent vertical and horizontal mergers in the U.S. industry for audiovisual media content, including the AT&T-Time Warner and the Disney-Fox mergers. Using a theory-driven approach, we examine economic effects of these types of mergers on market...

While the Comcast/TWC merger is significant in size, it doesn’t give rise to any plausible theory of anticompetitive harm under modern antitrust analysis. Comcast and TWC don’t compete directly for subscribers in any relevant market; in terms of concentration and horizontal effects, the...

Should there be limits on startup acquisitions by dominant firms? Efficiency requires that startups sell their technology to the right incumbents, that they develop the right technology, and that they invest the right amount in R&D. In a model of differentiated oligopoly, we show distortions...