Due to advancements in information and communication technologies as well as reductions in transportation costs, cross-border economic interactions have intensified. This resulted in the formation of global value chains (GVCs). GVCs capture the phenomenon whereby production process is unbundled across national borders. The focus in the economic literature on GVCs has been to measure and analyze domestic value added in exports. While insightful, they do not inform on the functions that are undertaken, such as assembly, design, and marketing. This thesis studies offshoring, functional specialization, and their relation with economic performance. I use a variety of quantitative approaches and data, including unique business function data, to c...