We interpret the psychology literature on social identity and examine its implications in a population partially composed of such agents. We model a population of agents from two exogenous and well defined social groups. Agents are randomly matched to play a reduced form bargaining game. We show...

We interpret the social identity literature and examine its economic implications. We model a population of agents from two exogenous and well defined social groups. Agents are randomly matched to play a reduced form bargaining game. We show that this struggle for resources drives a conflict...

Afghanistan, Somalia und die Demokratische Republik Kongo sind Beispiele für Entwicklungsländer, die unter den Folgen von Krieg, Armut und instabilen demokratischen Strukturen leiden. Diese Länder sehen sich in Sicherheitsfragen einer sehr schwierigen Herausforderung gegenüber und brauchen...

We study escalation and aggression in an experimental first-strike game in which two participants play multiple rounds of a money-earning task. In each round, both players can spend money to accumulate weapons. The player with more weapons can spend money to strike against the other player,...

Using a new, global data base covering the years 1950 to 2015, we study the impact of sanctions on international trade and welfare. We make use of the rich dimensionality of our data and of the latest developments in the structural gravity literature. Starting with a broad evaluation by sanction...

The rise of a new power may lead the dominant power to seek a preventive war. We study this scenario in an experimental two-stage bargaining game. In each stage, the rising power makes a bargaining offer and the declining power must choose whether to accept it or fight. Between the two stages,...

The Russian invasion of Ukraine has caused disruptions in international trade and highlighted the dependency of small open economies in Europe on imports, especially of energy. These events may have changed Europeans' attitude towards globalization. We study two waves of representative...

The Russian invasion of Ukraine has caused disruptions in international trade and highlighted the dependency of small open economies in Europe on imports, especially of energy. These events may have changed Europeans' attitude towards globalization. We study two waves of representative...

The Russian invasion of Ukraine has caused disruptions in international trade and highlighted the dependency of small open economies in Europe on imports, especially of energy. These events may have changed Europeans' attitude towards globalization. We study two waves of representative...