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- W1977883956 abstract "The computer programs for utility assessments present some drawbacks due to the difficult questionning by the decision-maker, and mainly to an exaggerated requirement in the precision of the answers. The main originality of MARS, a support for ranking and evaluating uncertain prospects by means of the subjective expected utility theory, is the addition of the relational system of preferences (P,Q,I,R) by Roy and Vincke into a classical interview process proposed by the multiattribute utility theory. This allows the acceptance of imprecise answers and the treatment of ambiguity in the interview process. Moreover, a degree of confidence in the independence conditions among attributes, and general propensities for aversion or preference towards risk are computed. MARS contains two submembers: PUMA and UPEP. The set of programs PUMA ( p rogram for u tility with m ultiple a ttributes) firstly determines the degree of confidence in a mutual utility independence or in an additive independence between the attributes, and advises a specific form of the utility function; other subsets of PUMA help construct the uniattribute utility functions, scale the constants and, finally, rank the uncertain prospects in a decreasing order of expected multiattribute utility. The set of programs UPEP ( u tility and p robability e ncoding p rogram) sensitizes the user to his risk attitude and computes his personal utility function in a confidence band. It also allows the construction of a univariate continuous distribution of subjective probabilities and its adjustment by a beta distribution." @default.
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- W1977883956 date "1989-01-01" @default.
- W1977883956 modified "2023-10-14" @default.
- W1977883956 title "Mars: A multiattribute utility ranking support for risk situations with a “P,Q,I,R” relational system of preferences" @default.
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- W1977883956 doi "https://doi.org/10.1016/0895-7177(89)90368-3" @default.
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