A. N. Pratt and B. Yu, “An Updated Look at the Recovery of Agricultural Productivity in Sub-Saharan Africa,” IFPRI Discussion Paper No. 787, Washington DC, 2008.
 FAO, FAOSTAT Database, 2006.
 FAO (Food and Agriculture Organization of the United Nations), “Agriculture’s Contributions to Economic and Social Development,” The Electronic Journal of Agricultural and Development Economics, Vol. 1, No. 1, 2004, pp. 1-5.
 NEPAD Secretariat, CAADP, “CAADP Country Level Implementation Process,” Concept Note Prepared by the NEPAD Secretariat Based on the Outcome of the NEPAD Implementation Retreat, Pretoria, 24-25 October 2005.
 H. P. Binswanger-Mkhize and A. F. McCalla, “The Changing Context and Prospects for Agricultural and Rural Development in Africa,” International Fund for Agricultural Development and African Development Bank, Rome and Tunis, 2009.
 R. Stringer and P. Pingali, “Agriculture’s Contributions to Economic and Social Development,” Journal of Agricultural and Development Economics, Vol. 1, No. 1, 2004, pp. 1-5.
 DFID, “Agriculture and Poverty Reduction: Unlocking the Potential,” DFID Policy Paper, London, 2003.
 F. Ellis, “A Livelihoods Approach to Migration and Poverty Reduction,” Paper commissioned by DFID, London, 2003.
 M. Fafchamps, F. Teal and J. Toye, “Towards a Growth Strategy for Africa,” Centre for the Study of African Economies, University of Oxford, Oxford, 2001.
 T. Reardon, J. Bergegué and Escobar, G., “Rural Nonfarm Employment and Incomes in Latin America: Overview and Policy Implications,” World Development, Vol. 29, No. 3, 2001, pp. 395-409.
 UNECA (United Nations Economic Commission for Africa) Economic Report on Africa, “Accelerating Africa’s Development through Diversification,” Addis Ababa, Ethiopia, 2007.
 A. Wambo, “Regional Integration in Africa and Its Implications for Rural Development,” UN Economic Commission for Africa Report No. 2, Addis Ababa, 2006.
 F. Etro, “International Policy Coordination with Economic Unions,” Harvard University Manuscript, Boston, 2001.
 A. D. Janvry and E. Sadoulet, “Agriculture for Development in Africa: Business-as-Usual or New Departures,” Journal of African Economies, Vol. 19, Suppl. 2, 2010, pp. ii7-ii39
 A. Dorward, S. Fan, J. Kydd, H. Lofgren, J. Morrison, C. Poulton, N. Rao, L. Smith, H. Tchale, S. Thorat, I. Urey and P. Wobst, “Institutions and Economic Policies for Pro-Poor Agricultural Growth,” DSGD Discussion Paper No. 15, IFPRI and Centre for Development and Poverty Reduction, Washington DC and London, 2004.
 J. A. Berdegué, “Cooperating to Compete. Peasant Associative Business Firms in Chile,” Published Doctoral Dissertation, Wageningen University and Research Centre, Department ofSocial Sciences, Communication and Innovation Group, Wageningen, 2001.
 K. Felgenhauer and P. Labella, “Global Agro-Food Supply Chain: Is there space for Africa?” In: Turning African Agriculture into a Business: A Reader, OECD Development Center, Paris, 2008.
 M. Kherallah, C. Delgado, E. Gabre-Madhin, N. Minot and M. Johnson, “Reforming Agricultural Markets in Africa: Achievements and Challenges,” Johns Hopkins University Press, Baltimore, 2002.
 T. S. Jayne, J. Govereh, A. Mwanaumo, J. K. Nyoro and A. Chapoto, “False Promise or False Premise? The Experience of Food and Input Market Reform in Eastern and Southern Africa,” World Development Vol. 30, No. 11, 2002, pp. 1967-1985.
 X. Diao, P. Hazell, D. Resnick and J. Thurlow, “The Role of Agriculture in Development: Implications for Sub-Saharan Africa,” Research Report 153, International Food Policy Research Institute, Washington DC, 2007.
 O. Badiane, S. Odjo and J. Ulimwengu, “Emerging Policies and Partnerships under CAADP: Implications for Long-Term Growth, Food Security, and Poverty Reduction,” IFPRI Discussion Paper No. 1145, 2011.
 A. Alesina, I. Angeloni and F. Etro, “The Political Economy of International Unions,” NBER Working Paper No. 8645, Cambridge, 2001.
 J. P. Lesage and M. M. Fisher, “Spatial Growth Regressions: Model Specification, Estimation and Interpretation,” Spatial Economic Analysis, Vol. 3, No. 3, 2008, pp. 275-304. doi:10.1080/17421770802353758
 R. J. Barro and X. Sala-i-Martin, “Economic Growth Theory,” MIT Press, Cambridge, 1995.
 K. O. Fuglie, “Is a Slowdown in Agricultural Productivity Growth Contributing to the Rise in Commodity Prices?” Agricultural Economics, Vol. 39, No. s1, 2008, pp. 431-441. doi:10.1111/j.1574-0862.2008.00349.x
 C. L. Delgado, “Agricultural Diversification and Export Promotion in Sub-Saharan Africa,” Food Policy, Vol. 20, No. 3, 1995, pp. 225-243.
 P. L. Pingali, Y. Bigot and H. P. Binswanger, “Agricultural Mechanization and the Evolution of Farming in Sub-Saharan Africa,” Johns Hopkins University Press, Baltimore, 1987.
 G. C. Mrema, D. Baker and D. Kahan, “Agricultural Mechanization in Sub-Saharan Africa: Time for a New Look,” Agricultural Management, Marketing and Finance Occasional Paper 22, Rome, 2008.
 J. Robinson, “Essays on the Theory of Employment,” Blackwell, Oxford, 1937.
 G. Corsetti and P. Pesenti, “Welfare and Macroeconomic Interdependence,” Quarterly Journal of Economics, Vol. 116, No. 2, 2001, pp. 421-46.