We document that rules for leadership succession in ethnic societies that antedate the modern state predict contemporary political regimes; leadership selection by election in indigenous societies is associated with contemporary representative democracy. The basic association, however, is...

How does the interplay of geography and political-economic forces affect the shape of nations? This paper presents a quantitative framework for characterizing the equilibrium evolution of national boundaries in a world with a rich geography. The framework delivers simple equilibrium conditions...

The French Revolution of 1789 had a momentous impact on neighboring countries. The French Revolutionary armies during the 1790s and later under Napoleon invaded and controlled large parts of Europe. Together with invasion came various radical institutional changes. French invasion removed the...

There are some striking similarities between the pre 1914 gold standard and EMU today. Both arrangements are based on fixed exchange rates, monetary and fiscal orthodoxy. Each regime gave easy access by financially underdeveloped peripheral countries to capital from the core countries. But the...

Are states led by women less prone to conflict than states led by men? We answer this question by examining the effect of female rule on war among European polities over the 15th-20th centuries. We utilize gender of the first born and presence of a female sibling among previous monarchs as...

We investigate the extent to which conflicts between Native American tribes and U.S. Army troops were caused by poor economic conditions in Europe from 1869 to 1890. We hypothesize that contractions in economic activity pushed many Europeans to move to the western United States in search of...

This paper formalizes the principle that persecution power of government may generate violent contests over it. We show that this principle yields a large set of theoretical insights on different separation-of-powers institutions that can help to preempt such contests under different...

How persistent are cultural traits? This paper uses data on anti-Semitism in Germany and finds continuity at the local level over more than half a millennium. When the Black Death hit Europe in 1348-50, killing between one third and one half of the population, its cause was unknown. Many...