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Unite and Conquer: A Multiplicative Inequality for Choice Probabilities
Shmuel Sattath
Amos Tversky
Abstract
Two probabilistic theories of choice behavior (the model of independent random utility and the model of elimination by aspects) imply a testable property, the multiplicative inequality, according to which the probability of selecting an alternative x from an offered set A @? B is at least as large as the product of the probabilities of selecting x from A and from B.
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