In this paper, we study how unilateral policies concerning certain conflict raw materials influence prices, illegal mining activities, and welfare. Firms in the North import natural resources from the South to produce final consumption goods. In one of the countries in the South, local groups...

This paper analyzes the relationship between the size of an economic union and the degree of policy centralization. We consider a political economy setting in which elected representatives bargain about the degree of centralization within the union. In our model strategic delegation affects the...

This paper sets up a model of endogenous product differentiation to analyze the variety effects of international trade. In our model multi-product firms decide not only about the number of varieties they supply but also about the degree of horizontal differentiation between these varieties....

In this note we analyze how aging affects immigration policy. We set up a dynamic political-economy model of representative democracy in which the government of the destination country sets the immigration level to maximize aggregate welfare of the constituency. Aging, i.e. a decline in the...