Fofack, Hippolyte Nonperforming loans in sub-saharan Africa: causal analysis and macroeconomic implications by Hippolyte Fofack - Washington, D.C. World Bank 2005 - 35p. - Policy research working paper; no. 3769 . Subjects--Topical Terms: Banks and banking --Africa, Sub-SaharanLoans --Africa, Sub-SaharanFinancial crises --Africa, Sub-Saharan