https://www.smmt.co.uk/wp-content/uploads/sites/2/SMMT-Sustainability-Report-2018.pdf
http://www.europeaninstitute.org/index.php/311-european-affairs/ea-october-2017/2242-as-chinese-investment-rises-in-europe-brussels-proposes-greater-scrutiny-of-foreign-purchases-of-eu-based-companies
https://www.project-syndicate.org/commentary/global-economy-downside-risks-by-nouriel-roubini-2017-06
https://itep.org/amazon-in-its-prime-doubles-profits-pays-0-in-federal-income-taxes/