When the countries of Sub-Saharan Africa achieved independence in rapid succession starting with Ghana in 1957, there were high hopes for the region. A group of outstanding leaders would inspire to bring a new era to a sub-continent long suffering from colonial exploitation and developmental neglect. What has happened since has been disappointing: whilst standard economic theory predicts a convergence in economic outcomes, with those countries with lower per capita incomes growing faster than those with higher, there has been divergence, particularly for Sub-Saharan Africa, with incomes per capita in the region stagnating over 1960-2000 (as the gains of the first two decades of that period were wiped out in the next two) and poverty increas...