http://bruegel.org/2015/05/corruptionomics-in-italy/
http://www.oecd.org/els/soc/Risks-That-Matter-2018-Main-Findings.pdf
https://www.lobbycontrol.de/wp-content/uploads/LobbyControl-Jahresbericht_2022-2023.pdf
https://lawliberty.org/having-hitler-home-for-supper/