Some links on ethical and political aspect of the Prisoner's Dilemma.
A complete description of the problem and its variations.
A simple yet powerful model for the problem of cooperation versus conflict in groups. The JAVA applet demonstrates the spread of 'altruism' and 'exploitation for personal gain.'
This site offers a way to learn how to study the evolution of cooperation through 3 models, based on the Prisoner's Dilemma. (Java applets included).
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