This dissertation consists of three theoretical essays on immigration, international trade and political economy. The first two essays analyze the political economy of immigration in developed countries. The third essay explores new ground on the effects of labor liberalization in developing...

This study considers the role of demand-driven changes arising from population aging and how they affect the pattern of international trade as well as trade and immigration policy. An aging society can see a welfare-reducing reduction in its share of manufacturing output and this reduction is...

This paper proposes a theory of free movement of goods and labor between two large economies with imperfect labor contracts. Each country is incompletely specialized in producing two final goods that differ in their complexity of production. The most complex good is produced by workers and...