https://static1.squarespace.com/static/5afc0bbbf79392ced8b73dbf/t/5b07d7ce1ae6cf2a4178f587/1527240672975/SGC_Full_Report.pdf
https://www.assemblee-nationale.fr/dyn/16/rapports/cion_fin/l16b1678_rapport-information#
https://www.aspistrategist.org.au/the-eu-needs-fiscal-union/