https://docs.house.gov/meetings/JU/JU05/20220517/114776/HHRG-117-JU05-Wstate-LynnB-20220517.pdf
https://wiiw.ac.at/the-euro-area-s-achilles-heel-reassessing-italy-s-long-decline-in-the-context-of-european-integration-and-globalisation-dlp-6622.pdf
https://www.europarl.europa.eu/RegData/etudes/IDAN/2021/699811/IPOL_IDA%282021%29699811_EN.pdf
https://www.esri.ie/system/files/publications/WP677_0.pdf