0. SummaryThe theory of repeated games is concerned with the analysis of behavior in long-term interactions as opposed to one-shot situations; in this framework new objects occur in the form of threats, cooperative plans, signals, etc. that are deeply related to "real life" phenomena like...

In interactive contexts such as games and economies, it is important to take account not only of what the players believe about substantive matters (such as payoffs), but also of what they believe about the beliefs of other players. Two different but equivalent ways of dealing with this matter,...