https://www.britishcouncil.org/sites/default/files/the_value_of_trust.pdf
https://mailchi.mp/bruegel/zhnghu-mundus-while-africas-economic-relations-with-china-are-hyped-its-relationship-with-the-eu-is-more-favourable
https://www.cesifo-group.de/DocDL/ifoDD_18-01_03-09_Ochsner.pdf