The IDB's Integration & Trade Journal includes articles on the different aspects of integration in Latin America and the Caribbean, on hemispheric integration and, furthermore, on similar processes in other parts of the world. The aim is to address the topics included herein from a remarkably conceptual viewpoint, adding information to the knowledge of the topics, ensuring that they are useful for those responsible for adopting governmental policies in the region as well as for those integration scheme bodies in the fields of integration, cooperation and international trade. This issue contains the following articles: Some Empirical Results from Economic Geography and Their Regional Policy Implications: The European Experience; Trade, Proximity and Growth: The Impact of Economic Integration on Mexico's Regional Disparities; Internal Transport Infrastructure in Argentina and Its Impact on Provincial Exports; and, Freight Logistics in Latin America and the Caribbean: An Agenda to Improve Performance. This issue also contains selections from the Call for Papers: "Physical Integration for the International Insertion and Regional Connectivity of Latin America and the Caribbean," as well as interviews, statistical indicators, book and essay reviews