Alier, Max Nonrenewable resources : a case for persistent fiscal surpluses / Max Alier & Martin Kaufman - Washington : International Monetary Fund (IMF) , 1999 - 29p. : ill. ; 30 cm. - IMF Working Paper No. 99/44 . Includes bibliographical references. Subjects--Topical Terms: Fiscal policyEconometric modelsSurpluses Gov. Doc. Class. No.: UN IMF WP-99/44