https://arxiv.org/ftp/arxiv/papers/2004/2004.01014.pdf
https://www.oecd.org/daf/anti-bribery/italy-phase-4-report.pdf
https://europa.eu/eurobarometer/surveys/detail/2968
http://www2.assemblee-nationale.fr/documents/notice/15/europe/rap-info/i0596/(index)/rapports-information