Very few industries are as profoundly influenced by regulation as the pharmaceutical industry. All aspects of the life-cycle of new drugs are regulated, from patent application, to marketing approval, commercial exploitation, patent expiration and competition with generics. The nature of demand...

Many online businesses, including most of the largest platforms, seek and provide attention. These online attention rivals provide products and features to obtain the attention of consumers and sell some of that attention, through other products and services, to merchants, developers and others...

Are dominant online search engines monopolies enjoying low contest-ability, due to high barriers to entry, or innovative first-movers? This paper argues that dominant online search engines maintain their leadership through an “innovation feedback loop”: a process whereby increasing R&D...

We study the design of online platforms that aggregate information and facilitate transactions. Two different designs can be observed in the market: revealing platforms that disclose the identity of transaction partners (e.g. Booking) and anonymous platforms that do not (e.g. Hotwire). To...

This paper studies how competition impacts innovative firms’ voluntary disclosure of product quality information. Our empirical context is the pharmaceutical industry, where firms must decide whether to disclose drug quality information acquired in clinical trials. Leveraging variation in...

Many oligopoly theories predict that there will be a positive correlation between market size and the equilibrium number of firms, and some also imply that competition is more intense in larger markets. We test these predictions with a sample of 535 driving schools in 249 markets. With an...

In this paper, we analyse the potential application to the cloud computing services sector of EU competition rules governing anti-competitive agreements and abuses of a dominant position. We argue that defining the relevant market for cloud services is a key threshold issue, with complex product...

Should the FTC have allowed Zillow to acquire its foremost rival, Trulia? It is increasingly well-accepted that digital platforms tend toward dominance in their immediately adjacent relevant-product markets. Google, for example, has long held a majority share of the markets for general-search...

The United States has state of the art technology and world renowned expertise in medical treatment, yet in terms of healthcare it shows a dramatically poor performance in relation to the other industrialized countries. This situation is surprising, since one would expect that a free market...

An important issue in many antitrust lawsuits involving professional sports leagues and their member teams is the extent to which franchises within the same, and across different, professional sports leagues compete with one another for fans and advertisers. Complicating the issue is the fact...