https://publications.parliament.uk/pa/bills/cbill/58-03/0346/220346.pdf
https://assets.new.siemens.com/siemens/assets/api/uuid:f73908f8-d966-46a1-994a-89323de42f35/White-paper-Towards-A-Circular-Economy-The-Design-Challenge.pdf
http://www.oecd.org/eco/surveys/Boosting-productivity-and-wellbeing-OECD-economic-survey-Ireland-2018.pdf
https://www.economiesuisse.ch/de/artikel/kluge-steuerpolitik-bringt-wohlstand