https://www.bloomberg.com/news/articles/2019-09-11/world-s-oldest-customs-union-and-u-k-reach-a-post-brexit-deal
https://ecipe.org/wp-content/uploads/2020/08/ECI_20_PolicyBrief_06_2020_LY06.pdf
https://mailchi.mp/bruegel/zhnghu-mundus-while-africas-economic-relations-with-china-are-hyped-its-relationship-with-the-eu-is-more-favourable