Farzin, Yeganeh Hossein The effect of discount rate and substitute technology on depletion of exhaustible resources By Yeganeh hossein Farzin - Washington, D.C. IBRD 1982 - 51p. Paper - World Bank Staff Working Paper No.516 . Subjects--Topical Terms: Energy Resources - U.S.A. Dewey Class. No.: Y26x73 In8