We develop a unified framework to trace value added along global supply chains in the presence of foreign direct investment by decomposing either GDP based on forward linkages or final production based on backward linkages. The new framework accounts for the presence of foreign invested...

This paper investigates whether "natural" trade barriers of a country due to geography and other factors outside the country's control stimulate more or less policy barriers such as tariffs. Our theory predicts that the politician's relative weight on private benefits over social welfare in a...