On corporate tax avoidance in sub-Saharan Africa: https://www.imf.org/en/Publications/WP/Issues/2018/10/24/The-Cost-and-Benefits-of-Tax-Treaties-with-Investment-Hubs-Findings-from-Sub-Saharan-Africa-46264 … New IMF paper finds African countries who sign treaties with potential investors -- particularly Mauritius -- to avoid double taxation lose significant tax revenue, get no additional investment.pic.twitter.com/EUlfPP8d1I