In European competition law, econometric studies are an increasingly frequent resort to support decisions taken by EU authorities. However, in this area a solid doctrine about the criteria to provide reliability to the conclusions derived from these analysis is yet to be built. There is not a...

The paper provides an overview of the enforcement activity of the Spanish competition authority in the digital economy. It explores, in particular, (i) the authority's approach to market definition and the assessment of market power; (ii) the main theories of harm developed in its decisions; and...