1. Economic development with endogenous political participation;A Ades;Economics and Politics,1995
2. Trade and circuses: Explaining urban giants;A Ades;Quarterly Journal of Economics,1995
3. African Development Indicators 2005
4. The figures for urban growth rates were computed from the Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat (2004); from the World Urbanization Prospects: The 2003 Revision; and from UNWUP2003 (POP/DB/WUP/Rev.2003/Data set 1/File 6), data set in digital form;The figures for the GDP growth rates were obtained from the World Development Report,2000