Raise tax rates and the working rich will work less, defer income, and take more non-cash compensation while the idle rich will defer capital gains, shift their investments to more tax efficient securities like municipal bonds, and (yes) evade taxes.
"African policymakers need to steer urbanisation from its current non-sustainable path towards healthier cities that ensure food and nutrition security, decent work and income, and a clean environment for all their citizens, " says the FAO's Modibo Traore.