https://www.socialeurope.eu/germany-bows-to-keynes-again
https://www.taxpolicycenter.org/sites/default/files/publication/163549/report-taxing-business-incomes-evidence-from-the-survey-of-consumer-finances.pdf
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2020-point-de-vue-planification-juin.pdf
Procurement Bill [HL] – Hansard – UK Parliament