https://www.mckinsey.com/mgi/our-research/the-complication-of-concentration-in-global-trade
https://ec.europa.eu/commission/sites/beta-political/files/customs_controls_0.pdf
https://www.brookings.edu/blog/order-from-chaos/2017/11/15/the-new-geopolitics-of-trade-in-asia/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=58493399
https://www.southcentre.int/wp-content/uploads/2022/09/RP143_Brazilian-Competition-Law-and-Access-to-Health-in-Brazil_EN.pdf