
https://www.imf.org/-/media/Files/Publications/PP/2023/English/PPEA2023001.ashx

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/680142/Chancellor_to_Governor_February_2018.pdf

http://www.transparency.org/news/feature/europe_and_central_asia_an_overall_stagnation