https://zoe-institut.de/wp-content/uploads/2021/06/ZOE_Report_A-future-fit-recovery_FINAL.pdf
https://www.bis.org/publ/arpdf/ar2017e_ec.pdf
https://scholar.harvard.edu/files/rogoff/files/nber26760_why_is_euro_punching_below_its_weight.pdf
https://www.cer.eu/sites/default/files/pbrief_recovery_fund_11.11.21.pdf