Tower, Edward The theory of optimum currency areas and exchange-rate flexibility / Edward Tower & Thomas D. Willett - New Jersey. : International Finance Section (IFS) , 1976 - 94p. : ill. ; 23 cm. - (Special papers in international economics No. 11 . Includes bibliographical references. Subjects--Topical Terms: Monetary unionsForeign exchange Gov. Doc. Class. No.: US Pri. U IFS SPIE-11