Cheetahs vs Hippos ~ New Africa Entrepreneurs

I just read a most interesting column by Senegalese beverages entrepreneur Magatte Wade on Jeffrey Sachs' Misguided Foreign Aid Efforts where she rails against how Sachs bears his burden and instead asserts that...

"...we need to work together to identify and support the up-and-coming new Cheetah cohort of honest, hard-working Africans [named] in honor of Ghanaian economist George Ayittey's distinction between the older generation of Hippo rulers dependent on aid and the younger Cheetah generation of fast-moving entrepreneurs."

First time I'd heard of that picturesque distinction, but that's because I hadn't paid enough attention to TED talks, specifically this essential and vigorous one by Ayittey himself...