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| In game theory, a repeated game (or iterated game) is an
extensive form game which consists in some number of repetitions
of some base game (called a stage game). The stage game is
usually one of the well studied 2 person games. The repeated
game can have different equilibrium properties because the
threat of retaliation is real, since one will play the game
again with the same person. Single stage game or single shot
game are names for non-repeated games. Infinitely repeated
gamesEdit Repeated games may be repeated finitely or infinitely
many times, the latter are called supergames. The most widely
studied repeated games are games that are repeated a possibly
infinite number of times. These games are modeled by applying a
discount factor to each future stage. This discount factor has
two primary interpretations. First, it might be that at each
stage there is some finite probability th