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Sample size therefore varies by metric, and aggregate series with different samples should not be treated as a single balanced panel.","monetaryBasis":"Nominal monetary values converted to 2015 euros using 31 December 2015 exchange rates.","derivedInterventionRate":"Antitrust Radar derives the intervention rate only when merger decisions, Phase One remedies, Phase Two remedies, and prohibitions are all published for the same jurisdiction-year. It is an activity ratio, not an OECD score or a measure of enforcement quality."},"source":{"id":"oecd-competition-trends-2025","title":"A Decade of OECD Competition Trends, Data and Insights","publisher":"Organisation for Economic Co-operation and Development","url":"https://www.oecd.org/en/publications/2025/12/a-decade-of-oecd-competition-trends-data-and-insights_8aabb981/full-report.html","accessDate":"2026-07-24","profileHref":"/sources/oecd-competition-trends-2025"},"guardrail":"OECD Competition Trends counts describe reported authority resources and activity. 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