https://cepr.org/sites/default/files/policy_insights/PolicyInsight91.pdf
https://www.rtbf.be/info/monde/detail_la-taxe-tobin-doit-faire-partie-de-reformes-economiques-plus-larges-pour-charles-michel?id=9694965
https://www.socialeurope.eu/austerity-a-cyclical-tale
https://www.linkiesta.it/2020/05/macron-merkel-piano-iniziativa-500-miliardi/