EU Merger Guidelines Consultation – Our Views on Assessing Market Power

September 29, 2025

As part of our response to the European Commission’s consultation on possible reforms to its merger guidelines, we provided our views on Topic Paper B – Assessing Market Power.

The Commission seeks to understand whether market power should play a larger role in the Revised Guidelines.  We caution against undue reliance on the existence of market power – and the structural features and other indicators used to assess it – in the substantive appraisal of mergers without a holistic assessment of whether such market power could harm consumer welfare.

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