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http://www.economics-ejournal.org/economics/journalarticles/2017-18
https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/366/366.pdf
https://www.mckinsey.com/~/media/McKinsey/Global%20Themes/Meeting%20societys%20expectations/Solving%20the%20productivity%20puzzle/MGI-Solving-the-Productivity-Puzzle-Report-February-22-2018.ashx
http://www.pressgazette.co.uk/false-news-spreads-significantly-further-and-faster-than-the-truth-on-social-media-new-landmark-study-finds/
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