Harold Demsetz once claimed that 'economics has no antitrust relevant theory of competition.' Demsetz offered this provocative statement as an introduction to an economic concept with critical implications for the antitrust enterprise: the multi-dimensional nature of competition. Competition...

This essay is the introduction to a forthcoming volume entitled, Regulating Innovation: Competition Policy and Patent Law Under Uncertainty (Cambridge U. Press 2009 forthcoming). In addition to introducing all of the papers in the volume, this essay introduces the organizing themes of the...

Blockchain technology has in recent years captured attention and funding based on its promise to build trust among multiple parties without the need for a trusted intermediary. Born out of government-funded research on game theoretic Byzantine consensus, it offers the prospect of a more...

The Federal Trade Commission recently voted unanimously to close the portion of its antitrust investigation into Google's search practices without filing a complaint. The agency apparently concluded that the firm's practice of favoring its own content in search results did not violate U.S....

This paper provides an economic and legal theory of harm applicable to the case against Google in Europe over search bias. So far, no clear legal and economic theory has yet been delineated by the European Commission, nor consensus in the literature has emerged with regard to the theory of...

Do you use Google.com? Familiar with “search,” “maps,” “news,” “calendar,” and more? How about if in that little black toolbar on Google’s homepage, there is also “yahoo,” “bing,” “yandex” and other search providers? This paper considers this argument in the context...

By serving as a key revenue source for online content providers, online advertising has been instrumental in the development of innovative websites. Continued innovation among content providers, however, depends critically on the competitive provision of online advertising. Suppliers of online...

The United States Department of Justice (“DOJ”) and three overlapping groups of states have filed federal antitrust cases alleging Google has monopolized internet search, search advertising, internet advertising technologies, and app distribution on Android phones. In this Article, we focus...

In tort litigation, delayed settlement or impasse imposes high costs on the parties and society. Litigation institutions might influence social welfare by affecting the likelihood of out-of-court settlement and the potential injurers' investment in product safety. An appropriate design of...

We explore the implications of the widely accepted understanding that competition law is common — or “judge-made” — law. Specifically, we ask how the rule of reason in antitrust law should be shaped and implemented, not just to guide correct application of existing law to the facts of a...