Introduction / Jean-Claude Berthélemy -- The impact of stabilisation and structural adjustment programmes (SSAPs) on performance in sub-Saharan Africa / Erik Thorbecke and Solomane Koné -- Sub-Saharan Africa : its prospects for growth / Jeffrey C. Fine -- Development policy for Africa / Jean-Paul Azam -- Experiences and lessons from research in Tanzania / Alexander H. Sarris -- Causes of African development stagnation / Erik Thorbecke -- Synthesis / Jean-Claude Berthélemy and Jacques Lecaillon