In the iterated Prisoner's Dilemma the optimal strategy, under certain circumstances, is Tit for Tat.
The idea is, you can only every cooperate with someone, or defect from them. If you start with cooperation, and they defect, you defect until after they cooperate. If they're using- essentially- the same strategy, you'll never cooperate again. It's slightly more complex than that; go read the articles and see.
Every choice can be broken into some number of Prisoner's Dilemmas.
This never published, and I just went a cleaning- and found it- so if it seems out of context: it is.
Tuesday, March 10, 2009
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