https://www.diw.de/documents/publikationen/73/diw_01.c.578096.de/18-7-3.pdf
https://reformscotland.com/wp-content/uploads/2018/04/The-VAT-opportunity.pdf
https://www.bankofengland.co.uk/-/media/boe/files/speech/2018/how-monetary-policy-affects-your-gdp-speech-by-andy-haldane.pdf?la=en&hash=FCBD26BEE0C888B53856C099796780DED35190A4
https://www.cesifo-group.de/DocDL/EEAG-2018.pdf
https://cepr.org/sites/default/files/policy_insights/PolicyInsight92.pdf
https://www.raadvanstate.nl/publicaties/publicaties.html
http://www.sgi-network.org/2017/About
http://www.oecd.org/eco/surveys/Boosting-productivity-and-wellbeing-OECD-economic-survey-Ireland-2018.pdf
https://www.riksbank.se/en-gb/press-and-published/notices-and-press-releases/debate-articles/payments-in-the-future-and-legal-protection-for-the-swedish-krona/
https://www.eca.europa.eu/Lists/ECADocuments/Briefing_paper_MFF/Briefing_paper_MFF_EN.pdf