we showed how the experience of Gana's prime minister Kofi Busia in the early 1970s underscored the fact that the main obstacle to the adoption of policies that would reduce market failures and encourage economic growth is not the ignorance of politicians, but the incentives and constraints they face from the political and economic institutions in their societies. Nevertheless, the ignorance hypothesis still rules supreme in Western policymaking circles, which, almost to the exclusion of anythings else, focus on how to engineer prosperity.