https://www.esri.ie/system/files/publications/RS152.pdf
https://www.smmt.co.uk/wp-content/uploads/sites/2/SMMT-Sustainability-Report-2018.pdf
http://www.oxfamfrance.org/sites/default/files/file_attachments/vfrapport_oxfam_cac40_des_profits_sans_partage.pdf
http://berlinpolicyjournal.com/the-bottom-forty-percent-have-not-benefited/