https://www.socialeurope.eu/2017/05/rethinking-german-economic-policy/
https://www.eca.europa.eu/Lists/ECADocuments/REW19_09/REW_EU-defence_EN.pdf
https://www.brookings.edu/wp-content/uploads/2023/03/20230504_TPC_Gale_FiscalOutlookUPDATE.pdf
https://gabriel-zucman.eu/files/TWZ2020b.pdf