
https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf

https://www.imf.org/~/media/Files/Publications/WEO/2018/October/English/c2.ashx?la=en

https://www.socialeurope.eu/2017/06/new-reforms-envisaged-brussels-path-towards-austerity-italy/