Abstract
Several decision rules, including the minimax regret rule, have been posited to suggest optimizing strategies for an individual when neither objective nor subjective probabilities can be associated to the various states of the world. These all share the shortcoming of focusing only on extreme outcomes. This paper suggests an alternative approach of ‘tempered regrets’ which may more closely replicate the decision process of individuals in those situations in which avoiding the worst outcome tempers the loss from not achieving the best outcome. The assumption of total ignorance of the probabilities associated with the various states is maintained. Applications and illustrations from standard neoclassical theory are discussed.
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Acker, M.H. Tempered Regrets Under Total Ignorance. Theory and Decision 42, 207–213 (1997). https://doi.org/10.1023/A:1004907110913
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DOI: https://doi.org/10.1023/A:1004907110913