While existing studies usually model promotion as a bilateral interaction between promoter and promotee, it is not uncommon that the promoter is under the influence of a third-party. For instance, authoritarian rulers may consider how their interactions with local agents change the way that...

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...

Power is a core concept in the analysis and design of organizations. One of the problems with the extant literature on positional power in hierarchies is that it is mainly restricted to the analysis of power in terms of the bare positions of the actors. While such an analysis informs us about...