We revisit the role of vertical specialization and supply constraints during the �great trade collapse� with new data and a new model that allows us to resolve some of the conceptual and data limitations faced by previous studies. We find that (i) demand factors explain a smaller (than previously understood) fraction of the collapse in trade during 2008�9; and (ii) models tend to…

The Executive's Guide to Information Technology is a sophisticated and comprehensive guide to running a cost-effective, efficient, and business delivery-focused corporate Information Technology (IT) unit. Eschewing the theoretical for the practical, the book gives managers the guidance they need to handle any problem effectively. It provides specific policies, approaches, and tools for each cri…