Evaluation of the market definition Notice
Commission staff working document
https://ec.europa.eu/competition-policy/system/files/2021-07/evaluation_market-definition-notice_en.pdf
Summary
https://ec.europa.eu/competition-policy/system/files/2021-07/evaluation_market-definition-notice_summary_en.pdf
The entire webpage
https://ec.europa.eu/competition-policy/public-consultations/2020-market-definition-notice_en#evaluation-results