Balassa, Bela A. Estimating the shadow price of foreign exchange in project appraisal / Bela Balassa. - Washington, D.C. : World Bank, 1974. - 147-168 p. ; 25 cm. - World Bank reprint series ; no. 15 . "Reprinted from oxford Economic papers 26 (July 1974) Includes bibliographical references. Open access. Subjects--Topical Terms: Shadow prices--Estimates.Foreign exchange--Prices--Estimates.