https://www.libertyfund.org/250th/a-river-fed-by-many-streams/
http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:52017SC0201&from=EN
https://verfassungsblog.de/with-exclusive-competence-comes-great-responsibility/
https://www.oecd.org/corruption/anti-bribery/Switzerland-Phase-4-Report-ENG.pdf