Signed orders in linear and nonlinear utility theory |
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Authors: | Peter C Fishburn Irving H La Valle |
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Institution: | (1) AT&T Bell Laboratories, 07974 Murray Hill, NJ, USA;(2) Tulane University, 70118 New Orleans, LA, USA |
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Abstract: | Self-reflecting signed orders on a set A and its anti-set A
* were introduced previously as a way to account for negative as well as positive feelings about the inclusion of items in A in potential subsets of choice. The present paper extends the notion of signed orders to lotteries on A A
*, describes reflection axioms for the lottery context, and shows how these axioms simplify utility representations for preference between lotteries. The simplified representations are then used to guide procedures for extending preferences from A A
* and its lotteries to preferences between subsets of items. |
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Keywords: | Signed order subset choice risk |
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