Im Zuge der sukzessiven Verknappung des Erdöls als Energierohstoff durch sinkende Fördermengen und steigende Nachfrage in Schwellenländern - dazu der drohende Klimawandel - findet bei Stadt- und Raumplanung eine verstärkte Auseinandersetzung mitdem Thema der "post-fossilen" Lebensweise...

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 postulate a Tullock contest success function...

We consider a dynamic model of network formation where agents form and sever links based on the centrality of their potential partners. We show that the existence of capacity constrains in the amount of links an agent can maintain introduces a transition from dissortative to assortative...