When we think about the legal drivers of globalization, why does the free movement of people lag so far behind the free movement of goods and services? While agreements to lower barriers to cross-border trade are enforced by global legal rules and institutions, national governments indisputably control and limit cross-border labor migration. However, the relationship between trade and labor migration in international law is anything but clear-cut and simple. Rather, as this Article shows, it is ad hoc, decentralized, and pluralistic. This Article focuses on the use of Special Economic Zones (SEZs) as an illuminating example. SEZs enable countries to selectively open borders to higher-skilled foreign workers while maximizing economic returns and minimizing socio-political costs. While advantageous to individual countries, this Article argues that the pluralistic status quo hinders comprehensive initiatives to harmonize the liberalization of trade and labor and promote freedom of movement in international labor markets. Full article.