"Africa has been at the margins of the global economy for much of the post-independence period. In terms of trade, it has been one of the least integrated regions of the world. Africa's share of world trade has actually dropped from 4% to 1.5% over the last 40 years. Growth rates were down through the 1970s, '80s and '90s. They weren't able to attract private capital. People didn't think of it as a serious investment destination. "
