https://www.socialeurope.eu/corporate-taxation-financing-state-and-welfare
https://www.boeckler.de/pdf/p_imk_study_55_2017.pdf
https://www.socialeurope.eu/2017/07/imfs-approval-principle-greeces-third-program-depth-look/
https://cdn.obr.uk/March-2020_EFO_presentation_slides.pdf