https://reformscotland.com/wp-content/uploads/2018/04/The-VAT-opportunity.pdf
https://www.brookings.edu/articles/house-republicans-want-to-cut-the-irs-budget-again/
https://www.boeckler.de/pdf/p_wsi_report_52_2019.pdf
https://www.socialeurope.eu/2017/07/imfs-approval-principle-greeces-third-program-depth-look/