This article looks at the commonalities and disparities in the rules against single-firm market abuses in the US and in the EU and their enforcement. Despite they target the same type of business behaviour, the US and the EU have always followed divergent paths. This article will examine...

Using an empirical framework derived from models of nonlinear pricing, we estimate the degree of quality degradation in cable television markets. We find lower bounds on quality degradation ranging from 11% to 45% of observed service qualities. Furthermore, cable operators in markets with local...

In this paper, we describe the development and current status of anti-manipulation rules as they apply to wholesale electricity and natural gas markets in the United States and the European Union, including the institutions that are responsible for overseeing these rules. We then compare and...

In the second direct challenge to the NCAA's amateurism rules, the Northern District of California court rejected an attempt by the NCAA and 11 conferences to dismiss claims that defendants violated antitrust law by “conspiring to impose an artificial ceiling on the scholarships and benefits...

Theoretically, cross ownership may mitigate mergers, i.e. market concentrations. Holding a share in a competing firm before the acquisition of another firm, outsider-toehold, is more profitable in some market constellations, due to the positive externality on the outsider (competing) firm when a...

The seminal work of Fudenberg and Tirole (1985) on how preemption erodes the value of an option to wait raises general questions about the relation between models in discrete and continuous time and thus about the interpretation of its central result, relying on an "infinitely fine grid". Here...

The U.S. Federal Trade Commission opened an investigation into Google's search practices in 2012. The investigation responded to complaints that Google's “Universal Search” display favored its own web properties and demoted competing services. The Commission also investigated Google's...

We study cartels that operated in the US generic drug industry, leveraging quarterly Medicaid data from 2011-2018 and a difference-in-differences approach comparing the evolution of prices of allegedly collusive drugs with a group of competitive control drugs. Our analysis highlights (i) the...