Satyanarayan, Sudhakar Tradeoffs from hedging oil price risk in ecuador by Sudhakar Satyanarayan and Eduardo Somensatto - Washington, D.C. World Bank 1997 - 18p. - Policy research and working paper 1792 . Subjects--Topical Terms: Oil industriesOil industries - Prices - Law and legislation Dewey Class. No.: T2 Sa81