https://www.esri.ie/system/files/publications/QEC2022WIN_0.pdf
https://www.taxpolicycenter.org/sites/default/files/publication/163549/report-taxing-business-incomes-evidence-from-the-survey-of-consumer-finances.pdf
https://www.wilsoncenter.org/blog-post/ukraines-budget-2024
https://www.socialeurope.eu/the-discreet-but-dubious-charm-of-tax-treaties