Pestieau, Pierre The Political economy of redistributive social security / Pierre Pestieau - Washington : International Monetary Fund (IMF) , 1999 - 22p : ill. ; 30 cm. - IMF Working Paper No. 99/180 . Includes bibliographical references. Subjects--Topical Terms: EconomicsAgingSocial security Gov. Doc. Class. No.: UN IMF WP-99-180