https://www.hesa.ac.uk/data-and-analysis/publications/finances-2015-16/introduction
https://www.bruegel.org/system/files/2024-05/PB%2008%202024_1.pdf
http://www.ips-journal.eu/regions/europe/article/show/game-set-and-match-2118/
https://cdn.obr.uk/March-2020_EFO_presentation_slides.pdf