More on Africa as the latest hot investment trend, amid growing concern about continued economic slowing in the U.S. and elsewhere in the developed world:

In a new proprietary paper, Roubini Global Economics notes the growing interest in Africa as a global investment destination, as well as a location for organic business start-up: "Low cost labor, a fast growing population and an abundance of natural resources are among the benefits of investing on the continent. According to analysts, the return on investment is the highest in the developing world."