Robert Axelrod's book The Evolution of Cooperation describes a number of di erent strategies for this game, and concludes that they must be nice, retaliating, forgiving, and non-envious.
A team from Southampton University made 60 entries into a competition for this game, which colluded with one another to ensure that a few of them would sweep the top spots. Robert Axelrod's book The Evolution of Cooperation describes a number of di erent strategies for this game, and concludes that they must be nice, retaliating, forgiving, and non-envious. William H. Press and Freeman Dyson developed the theory of   zero-determinant strategies for the stochastic version of this game. Win-stay lose-switch, also known as Pavlov, and Anatol Rapaport's tit-for-tat are two strategies for, for ten points, what game in which a certain scenario about defecting or cooperating is played out repeatedly?
A team from Southampton University made 60 entries into a competition for this game, which colluded with one another to ensure that a few of them would sweep the top spots.
iterated prisoner's dilemma [prompt on prisoner's dilemma, accept answers that consist of repeatedly saying the words  prisoner's dilemma ]