Bayoumi, Tamim Macroeconomic shocks and trade flows within Sub-Saharan Africa : implications for optimum currency arrangements / Tamim Bayoumi & Jonathan D. Ostry - Washington : UN, IMF , 1995 - iii, 29p. : ill. ; 30 cm. - IMF, Working paper No. 95/142 . Includes bibliographical references and index. Subjects--Topical Terms: TradeCurrenciesMacroeconomics Gov. Doc. Class. No.: UN IMF WP-95/142