The assessment of exclusionary abuses by dominant firms is by no means an easy task. This is particularly true for pricing abuses, as there is no clear-cut way of distinguishing a price cut that is abusive from one that instead is pro-competitive. We argue that there are several shortcomings in...

This article presents a competitive assessment of the global market for the provision of universal Internet connectivity (backbone market). We discuss the approach followed by the European Commission in two important merger cases. The main argument is for a restless evolution of the structure of...

In three identical laboratory markets, sellers possess products whose quality is both exogenously and endogenously determined. Buyers can observe products' quality only in the last session of each experiment. It is also assumed an uneven distribution of income among buyers. We study whether a...