Mergers in the pharmaceutical sector warrant special scrutiny not only because of concerns over affordability of medicines, but also because the institutional details of pharmaceutical markets complicate the economic analysis of merger effects. Standard anti-trust analysis of mergers, in...

Pharmaceutical markets are complex. Multiple agents, including doctors, insurers, and pharmacies, play critical roles that affect competition between manufacturers and patient choice between drugs. This complexity, however, is neglected in standard antitrust analysis. In evaluating proposed...

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 article identifies certain problems faced by parties to transnational merger transactions in view of the global proliferation in recent years of competition (and, specifically, merger review) laws. After considering the pros and cons of merger remedies (both structural and behavioral) that...

We study competition in the German interurban bus industry two years after its liberalization in January 2013. In addition to a brief characterization of the liberalization process and several general market developments, we provide a detailed analysis of selected market characteristics such as...

On 26 March 2018, news broke that the global ride-hailing giant Uber agreed to sell its Southeast Asian operations to its local competitor Grab. Four days later, a CoRe Blog post put forward a first assessment of the potentially anti-competitive consequences of the merger as well as the related...

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...

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 paper identifies substantial flaws in how U.S. government agencies and courts assess the impact of proposed mergers by firms using broadband networks to reach consumers. Based on current market definitions, consumer impact assessments and economic doctrine, antitrust enforcement agencies...

Algorithms, especially those based on artificial intelligence, play an increasingly important role in our economy. They are used by market participants to make pricing, output, quality, and inventory decisions; to predict market entry, expansion, and exit; and to predict regulatory moves. In a...