http://www.sgi-network.org/2017/About
http://www.oecd.org/eco/surveys/Boosting-productivity-and-wellbeing-OECD-economic-survey-Ireland-2018.pdf
http://www.parliament.uk/documents/commons-committees/Exiting-the-European-Union/17-19/Cross-Whitehall-briefing/EU-Exit-Analysis-Cross-Whitehall-Briefing.pdf
https://www.socialeurope.eu/eu-takes-beating-italian-elections-will-ever-learn
http://www.berkshirehathaway.com/letters/2017ltr.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://publications.parliament.uk/pa/cm201719/cmselect/cmintrade/520/520.pdf
https://www.keepeek.com//Digital-Asset-Management/oecd/science-and-technology/oecd-science-technology-and-industry-scoreboard-2017/growth-jobs-and-the-digital-transformation_sti_scoreboard-2017-5-en#page1
https://www.cesifo-group.de/DocDL/ifoDD_18-01_03-09_Ochsner.pdf
https://www.cesifo-group.de/DocDL/ifoDD_18-01_03-09_Ochsner.pdf