
http://www.oecd.org/eco/outlook/Better-but-not-good-enough-oecd-economic-outlook-presentation-june-2017.pdf

https://papers.ssrn.com/sol3/Delivery.cfm/SSRN_ID3950757_code410506.pdf?abstractid=3909166&mirid=1

https://committees.parliament.uk/publications/7496/documents/78687/default/