According to Ian C. MacMillan, director of the Snider Center, and James D. Thompson, associate director of Wharton Entrepreneurial Programs, the Botswana project illustrates a new concept they have developed in a study called "Societal Wealth Creation via Experimental Entrepreneurship." The idea is to promote philanthropy which supports business entrepreneurship under a for-profit model that attacks social problems and creates new societal wealth.
http://knowledge.wharton.upenn.edu/index.cfm?fa=printArticle&ID=1376