Texte intégral
SWP792 On Shadow Pricing Edward Tower Garry Pursell WORLD BANK STAFF WORKING PAPERS Number 792 i .. -M - - . ., , i ." ld792 1 I WORLD BANK STAFF WORKING PAPERS Number 792 On Shadow Pricing Edward Tower Garry Pursell The World Bank Washington, D.C., U.S.A. Copyright (