This paper examines how market competition affects the intensity and breadth of innovation. I assembled a unique dataset comprising all 461 prosecuted collusion cases in the U.S. from 1975-2016, where I match 1,818 collusive firms to firm-level data on innovation. Empirical results from a...

When is it appropriate for courts to second-guess decisions of private actors in shaping their business models, designing their networks, and configuring the (otherwise non-infringing) products that they offer to their customers? This theme appears periodically but persistently in intellectual...

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...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...

The IEEE-SA updated patent policy and the Business Review Letter issued by the US DoJ have caused much discussion in the US (Sidak, 2015). The purpose of this paper is to assess whether a similarly lenient antitrust approach to Standard Setting Organizations’ (“SSOs”) rate setting policies...

Antitrust law has entered a new phase of an always-controversial existence. The role of antitrust in moderating interfirm relationships depends both on the problems that arise in such relationships and the institutional capacity of antitrust decision-makers to respond to those problems...

The Austrian Federal Competition Authority (AFCA) invited comment on its draft guidelines for exempting “sustainability agreements” from condemnation under Austrian competition law. That law recently changed, allowing a specific exemption for otherwise anticompetitive horizontal agreements...

With the recent rejection of the last holdout state's objections to the federal settlement in Microsoft IV, the last shoe appears to have dropped in this mammoth litigation. After all the dust had settled, Microsoft had essentially written its own remedy, albeit under considerable pressure. This...