On the notion of restriction of competition: What we know we don’t know and what we don’t know we don’t know.

Alfonso Lamadrid de Pablo (Garrigues) and Professor Pablo Ibáñez Colomo (London School of Economics and College of Europe) have written together a paper entitledOn the notion of restriction of competition: what we know and what we don’t know we know.[1]

The issue mentioned in the title is both fundamental and unsettled. Thus, one must applaud the authors for taking up this topic. Below are my comments.

After briefly discussing the subject matter and the perspective of the paper (1.), I will comment on how the authors deal with the delicate problems of proving restrictive effects (2.) and defining the notion of restriction of competition (3.).

In the conclusion I will reflect on the perceived gap between the authors’ acute criticisms and the surprising leniency of their final assessment (4.).

As usual, I will mainly focus on the points of disagreement.

I naturally invite any visitor to start by reading the paper (which happens to be available online) and to use the comment section (below) to discuss my article.

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