http://www.transparency.org/news/feature/europe_and_central_asia_an_overall_stagnation
https://www.eib.org/attachments/publications/how_bad_is_the_ukraine_war_for_the_european_recovery_en.pdf
https://ukandeu.ac.uk/the-impact-of-brexit-on-bond-prices/?mc_cid=8002195303&mc_eid=815b1928ec