National security considerations in competition enforcement - OECD Presentation

National security considerations in competition enforcement WP3 on Co-operation and Enforcement 23 June 2026 Beatriz Marques Yuichi Tominaga OECD Competition Division

OECD note and all related documents available at

oe.cd/nscce

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The evolving scope of national security

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Competition supports national security

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The boundary test

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The role of competition authorities

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Where national security enters competition analysis

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Assessing actual competitive constraints

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Merger control

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Co-ordinated conduct

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Unilateral conduct

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Remedy design

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Tools beyond enforcement

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Key takeaways

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Access the OECD note and all documents from this roundtable at oe.cd/nscce

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