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...

Presents a new research program that is transforming the study of international trade. Until a few years ago, models of international trade did not recognize the heterogeneity of firms and exporters, and could not provide good explanations of international production networks. Now such models...

Intro -- Contents -- Preface -- Introduction -- 1. Contractual Frictions and Global Sourcing -- 2. The Boundaries of the Multinational Firm: An Empirical Analysis -- 3. Contract Enforcement, Comparative Advantage, and Long-Run Growth -- 4. The Dynamics of Firm-Level Adjustment to Trade...