Game theory
6 pieces
The Long GameWhy a future changes the arithmetic of the present.The Stag HuntThe trap is doubt rather than greed. Two equilibria, and only one of them is good.The UltimatumFairness as a force in real bargaining rather than a preference.The CommonsThe tragedy as a result about rules rather than about people.The Beauty ContestHow deep you should reason about other people.Matching PenniesSometimes the only unexploitable strategy is to be unpredictable.