Im Juni dieses Jahres bekundeten die in Afghanistan engagierten Staaten auf der Pariser Konferenz ihre Absicht, der Kabuler Regierung die volle Verantwortung für den Aufbau des Landes zu übertragen. Diese Politik erscheint zwar alternativlos, führt angesichts der schwindenden Unterstützung,...

Conflicts in North and West Africa have become more violent and widespread than in the past. They have also become more difficult to resolve due to the complex relationships between a growing number of belligerents with diverging agendas. Building on a dataset of more than 36 000 violent events...

We study from both a theoretical and an empirical perspective how a network of military alliances and enmities affects the intensity of a conflict. The model combines elements from network theory and from the politico-economic theory of conflict. We obtain a closed-form characterization of the...