https://www.socialeurope.eu/2017/07/european-safe-bond-handle-care/
https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-globalisation_en.pdf
https://www.ecb.europa.eu/pub/pdf/ecbu/eb201703.en.pdf?ea7747ab0ef3b038300a8d51a3a95313