https://www.mckinsey.com/mgi/our-research/the-complication-of-concentration-in-global-trade
https://publications.parliament.uk/pa/cm201719/cmselect/cmbeis/379/379.pdf
https://www.fdiintelligence.com/article/77393?utm_campaign=April%202nd%20newsletter&utm_source=emailCampaign&utm_medium=email&utm_content=
https://www.brookings.edu/articles/south-africa-agoa-and-nonalignment/