Studien über die institutionellen Determinanten innerstaatlicher Gewalt legen nahe, dass die Präsenz multipler politischer Parteien das Konfliktpotential innerhalb der Länder reduziert. Es wird behauptet, dass Parteien oppositionelle Gruppierungen in eine institutionalisierte politische Arena...

Using a data set of historical battles from 1600 to 1973, this paper analyzes the empirical determinants of tactical success in modern war. Based on a reduced form approach we consider key elements of military theory as factors in the production of combat success, formalized in a military...

We analyze a large dataset of commercial records produced by Assyrian merchants in the 19th Century BCE. Using the information collected from these records, we estimate a structural gravity model of long-distance trade in the Bronze Age. We use our structural gravity model to locate lost ancient...