https://www.consilium.europa.eu/media/ny3j24sm/much-more-than-a-market-report-by-enrico-letta.pdf
https://www.europarl.europa.eu/doceo/document/PEGA-PR-738492_EN.pdf
https://danielfreund.eu/wp-content/uploads/2021/07/220707_RoLCR_Report_digital.pdf
https://journals.sagepub.com/doi/epub/10.1177/14651165231193830