Thesis advisor: Fabio GhironiChapter 1: Foreign Direct Investment and Contract Enforcement Many developing countries are financially constrained and therefore have to rely on international capital flows to finance economic activity. Empirical evidence shows that Foreign Direct Investment (FDI) as a percentage of total capital flows is higher for less developed countries compared to more developed countries. This chapteruses a dynamic contracting model with human capital to explain why less developed countries receive a greater percentage of capital flows as FDI. I analytically show that countries that are financially constrained have a higher share of FDI in total capital flows, and that the share of FDI in total capital flows is increasi...