Article: Why are some African countries improving and others not? What are some of the African countries that have done well in terms of increasing real per capita GDP (or put in another way, real income per person)? Which have seen little increase? What role do free markets seem to have played in helping African countries grow or not? What role do institutions seem to play in growth? Does it seem that natural resources in Madagascar have played a large role in how the economy of this country has performed