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Ormosi, Peter L. 
ORCID: https://orcid.org/0000-0001-6472-6511, Padilla, Jorge and Perkins, Joe
(2026)
Damage Quantification in Exclusionary Abuse Cases.
Antitrust Bulletin, 71 (2).
pp. 143-170.
ISSN 0003-603X
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Abstract
The last decade has witnessed a changing scene of exclusionary abuse cases. As a result, competition authorities around the globe are now investigating new forms of exclusionary abuse in fast-evolving markets. These changes inevitably affect our understanding of the harm caused by exclusionary conduct and how redress is sought. Although there are many academic and practitioner papers on estimating damages in cartel and excessive pricing cases, they have limited applicability to exclusionary cases. This paper provides an overview of the main considerations that should apply in damage quantification in exclusionary abuse cases. We do this by giving a detailed account of the main characteristics of damage claims in these cases, reviewing the theories of harm and, building on these theories, discussing possible counterfactuals and methods for estimating the magnitude of harm.
| Item Type: | Article |
|---|---|
| Additional Information: | This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage). |
| Uncontrolled Keywords: | counterfactuals,damage claims,exclusionary abuse,theory of harm,economics and econometrics,law ,/dk/atira/pure/subjectarea/asjc/2000/2002 |
| Faculty \ School: | Faculty of Social Sciences > Norwich Business School |
| UEA Research Groups: | Faculty of Social Sciences > Research Groups > Responsible Business Regulation Group Faculty of Social Sciences > Research Centres > Centre for Competition Policy |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 15 Jul 2026 14:00 |
| Last Modified: | 19 Jul 2026 05:38 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/103859 |
| DOI: | 10.1177/0003603X261443672 |
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