Chapter 12 is the most interesting chapter because it introduces the game, Prisoner's Dilemma and explains how it applies to Darwinism and the survival of the genes. The title of the chapter states something no one believes because nice guys (genes) tend to get stepped on and left behind. But Axelrod proves this is not correct by recollecting strategies for prisoner's dilemma and then making them compete against each other and amongst themselves. The first time he did it nice strategies won. Therefore he concluded that to win the strategy needs 'niceness and forgiveness'. The second time the strategies were divided in two groups: the very nice and forgiving and the very nasty. Niceness won again. although extreme niceness didn't. He then made it a survival game. After many generations nice strategies were the only survivors and all the nasty ones became extinct.
Reciprocal Altruism: Helping, but receiving help in return.
Prisoner's Dilemma: A game in which two players have two cards, they can either defect or cooperate. If they both defect they do fairly bad if the both cooperate they do fairly good and if one defects and the other one cooperates the sucker (the one who cooperates) does terribly and the other one does very well. Therefore the best move is always to defect but it will never benefit as much as mutual cooperation. The game is a dilemma.
The evolutionary stable strategies states that those strategies that reach an equilibrium will remain constant throughout evolution.
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