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Behavioral Mathematics for Game AI by Dave Mark

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Bounded Rationality

So, through an analysis of the Guess Two-Thirds Game, we have discovered that it is sometimes illogical to be perfectly rational—even when we can be. The reason for this is that we can’t count on superrationality. We know superrationality does not exist because, even despite our best intentions, humans are not always rational in their decision making. Of course, humans are not completely random either. If perfect rationality is the pinnacle of the mountain, random decisions are the boulders strewn around the base. Someplace along the slope between these two extremes is where the bulk of human decision making is positioned.

But what makes up these decisions? What keeps us from making perfectly rational choices, even when we ...

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