"Animal feed in Zambia. Cookies in South Africa. Medical records systems in Botswana. Peanut processing in sub-Saharan Africa and Latin America. In regions scarred by intractable poverty, innovative programs to build new sources of wealth through these four businesses are providing lessons for entrepreneurs hoping to create new markets and economic opportunity. In a paper titled, 'Business Models: Creating New Markets and Societal Wealth,' leaders of Wharton's Societal Wealth Program outline the critical elements of entrepreneurial wealth building based on nearly 10 years of field research supported by Wharton alumni."