In Part I, we argue that Economics must outgrow the narrow confines of Neo-Classical Economics to embrace ‘sociality’ first championed by Herbert Simon in the mid-1950s and now by a growing number of economists under the banner of Social Economics. We contend here that Neo-Classical...

In social and economic networks linked agents often share additional links in common. There are two competing explanations for this phenomenon. First, agents may have a structural taste for transitive links - the returns to linking may be higher if two agents share links in common. Second,...

We study the group stability of collective decision making when society is organized according to a non directed graph, and groups' payoff possibilities are given by a partition function. We focus on the stability properties of hierarchical organizations, formally described by minimally...

Das Ausbildungsgeschehen in Deutschland lässt sich als kollektive Handlung betrachten. Zur Überwindung des grundsätzlich vorliegenden Trittbrettfahrerproblems tragen Betriebe, die unabhängig von ihrem Fachkräftebedarf rentabel ausbilden können, einen maßgeblichen Anteil bei....