The Imf Working Papers Series Is Designed To Make Imf Staff Research Available To A Wide Audience. Almost 300 Working Papers Are Released Each Year, Covering A Wide Range Of Theoretical And Analytical Topics, Including Balance Of Payments, Monetary And Fiscal Issues, Global Liquidity, And National And International Economic Developments. Elhanan Helpman, David Coe. Bibliographic Level Mode Of Issuance: Monograph English