Various approaches used in Agent-based Computational Economics (ACE) to model endogenously determined interactions between agents are discussed. This concerns models in which agents not only (learn how to) play some (market or other) game, but also (learn to) decide with whom to do that (or not).

This paper characterizes the asymptotic behavior of an ongoing society facing a repeated coordination problem. This society has a certain demographic structure: generations of individuals asynchronously supercede their "parents," creating an entry/exit process that allows individuals with...