https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-livret-seminaire-soutenabilite-covid-19-mai-2020.pdf
https://www.intergencommission.org/wp-content/uploads/2018/05/IC-inheritance-tax.pdf
https://www.project-syndicate.org/commentary/coronavirus-greater-great-depression-by-nouriel-roubini-2020-03