Globalization, characterized as enhanced trade integration among countries, has make nations vulnerable to forces emanating from their borders. The following essays contribute to the understanding of how forces of globalization interact with national economies. The first two chapters focus on a specific feature of globalization: the fragmentation of the production process across borders. The first chapter finds a novel way of solving a multistage version of Eaton and Kortum (2002)\u27s trade model, which contradicts previous findings that trade barriers have a larger impact when, not only final goods are traded, but also inputs along the production chain. Previous findings where based on unrealistic assumptions, that in this chapter are not...