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We consider decision problems under complete ignorance and extend the minimax regret principle to situations where … also extend the framework to encompass the possibility of less than the extreme pessimism that characterizes the minimax …
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We provide an evolutionary foundation to evidence that in some situations humans maintain either optimistic or pessimistic attitudes towards uncertainty and are ignorant to relevant aspects of the environment. Players in strategic games face Knightian uncertainty about opponents' actions and...
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