We construct a model in which a number of equally powerful ethnic groups compete for power by engaging in civil war. In non-redistributive equilibrium, ethnically homogeneous and ethnically diverse countries face a lower probability of civil war than countries with a moderate degree of ethnic...

Market exchange is subject to an endogenously-determined level of predation which impedes specialization and gains from trade. Utility-maximizing agents opt between careers in specialized production and careers in predation. Three types of equilibria may emerge, autarky (with no predation and no...

The paper examines the constraint import competition imposes on the price-cost margins in Swedish manufacturing industries. It addresses two questions. Has the free trade agreement between the EC and EFTA reinforced the disciplinary effect of imports? Are there differences between imports of...