literature. In contrast, studies on relative location tend to be weakly linked to theory, but apply relatively sophisticated … appropriateness of such models, and identify areas of potential concern. The rather weak linkage between theory and operational models …

According to recent UN projections more than 50 percent of the growth in world population over the next half century … significant impact on the world distribution of income. In this paper we discuss the potential for migration policies to affect … more or less restrictive/selective migration policies and derive their implications for the evolution of world inequality. …