Harrington (2021) considers whether—based on economic theory—an agreement between competitors to exchange list price information can be presumed to harm competition. In support of the affirmative, he provides a novel narrative and supporting theoretical analysis based on the premise that,...

Mergers between competitors (i.e. horizontal mergers) come with two key theories of harm: unilateral effects and coordinated effects. In this paper, we review the appropriate economic framework for assessing coordinated effects in the context of a merger review. We focus on the three necessary...

This article reviews and critically assesses the ‘cost coordination’ theory of harm developed in a recent eponymous article, Harrington (2022), and its application to the EU trucks case. We conclude that, while the cost coordination theory is a valuable and interesting contribution to the...