https://www.ilriformista.it/come-litalia-ha-drogato-leconomia-dagli-anni-70-cosi-la-crescita-rimane-un-miraggio-415786/
https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-emu_en.pdf
https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf