https://www.bti-project.org/en/data/rankings/status-index/
https://www.bruegel.org/sites/default/files/2024-09/PB%2019%202024.pdf
https://ecipe.org/blog/the-letta-report-the-good-and-the-bad/
https://www.ips-journal.eu/index.php?id=293&L=0&tx_news_pi1%5Bnews%5D=4405&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_791_20200605&cHash=931e8a12b80124885130def2e783b8db