https://policyexchange.org.uk/wp-content/uploads/Government-Reimagined.pdf
https://www.oesterreich22.at/beitraege-2021/
http://www.bta.bg/en/c/DF/id/1731928
https://www.consilium.europa.eu/media/ny3j24sm/much-more-than-a-market-report-by-enrico-letta.pdf