Quantification of Damages in Exclusionary Practice Cases

In order to make better use of economic tools in assessing damages resulting from exclusionary conduct there needs to be greater consideration of the ‘theory of harm’, which sharpens the understanding of how and why a rival's profitability has been damaged. This article argues for the necessity of ensuring a complete theory of harm and suggests practical ways in which this can be arrived at when some, or all, of the information is missing.