https://theconversation.com/ukraine-war-increasingly-seen-as-fought-by-the-poor-as-zelensky-raises-taxes-and-proposes-strict-mobilisation-laws-220433
https://www.socialeurope.eu/the-discreet-but-dubious-charm-of-tax-treaties
https://www.lobbycontrol.de/2021/03/klare-kante-gesetze-verschaerfen/?pk_campaign=20210311&pk_source=nl