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).

The oligopolistic market used in Fouraker and Siegel's experiments is as simple as it can be, the purpose comparing the results of two treatments is clearly stated, while the problems confronted and the solutions applied are not different from today's. It is instructive to note how in a matter...