When an agent decides whether to join a coalition or not, she must consider both i) the expected strength of the … coalition and ii) her position in the vertical structure within the coalition. We establish that there exists a positive … formed. When coalition size is unrestricted, in all stable systems the endogenous coalitions must be mixed and balanced in …

This paper models the coalition formation process among primates as a sequential game. The population consists of … of the population is interested in gaining access to a food resource, either individually or via a coalition. At any … given stage of the game, a player can either propose a specific coalition or he can be proposed to in order to join one …

value of a coalition-based on the best or worst roommate in the coalition. In all cases, we determine the complexity of …