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Game theory is ultimately a drastic oversimplification (a model) of human agency. It happens to coincide with certain popular simplifications nicely, but ultimately it's flawed. In situations where it tries to prove either cooperation or competition is the superior behavior it often sets up its actors in such a way that it begs the question (the answer is baked into how the variables are set up and how the agents are made to optimize those variables). I wouldn't take it too seriously as an authority on ethical questions. It's most useful as a model to reason about average outcomes in a limited set of situations. It tends to get into trouble elsewhere [1]

[1]: http://www.amazon.com/The-Misbehavior-Markets-Financial-Turb...




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