What does the Digital Markets Act harmonize? – exploring interactions between the DMA and national competition laws

Jasper van den Boom

European Competition Journal, 2023, vol. 19, issue 1, 57-85

Abstract: This article focuses on the interactions between the Digital Markets Act (DMA) and the laws and competition frameworks of Member States. Specifically, the article sets out three different interpretations on the text of articles 1 (5) and (6) of the DMA, which govern interactions between the DMA and national law and competition policy. The article identifies a narrow, broader, and broadest interpretation of the legal interests protected under the DMA. Each interpretation creates different harmonization effects. The article argues that the narrow and broader interpretations allow for significant divergence between national rules, creating the risk of regulatory fragmentation. The broadest interpretation would allow competition authorities and courts to weigh the interests protected in the DMA against national interests and create greater convergence of laws and competition policy in the Digital Single Market. The article also proposes ways forward for the implementation and enforcement of the DMA and national competition laws.

Date: 2023
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DOI: 10.1080/17441056.2022.2156728

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