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Rational Choice Using Imprecise Probabilities and Utilities.
・ISBN 978-1-108-71350-4 paper GB£ 18.00
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電子版あり 大学・学術機関向け電子ブック（eBook）ISBN 978-1-108-58220-9
| 著者・編者 | Weirich, Paul, |
|---|---|
| シリーズ | Elements in Decision Theory and Philosophy |
| 出版社 | (Cambridge U. Pr., UK) |
| 出版年月 | 2021.02 |
| ページ数 | 75 pp. |
| 言語 | ENG |
| ニュース番号 | ＜661-L189 661-P320＞ |
解説
An agent often does not have precise probabilities or utilities to guide resolution of a decision problem. I advance a principle of rationality for making decisions in such cases. To begin, I represent the doxastic and conative state of an agent with a set of pairs of a probability assignment and a utility assignment. Then I support a decision principle that allows any act that maximizes expected utility according to some pair of assignments in the set. Assuming that computation of an option's expected utility uses comprehensive possible outcomes that include the option's risk, no consideration supports a stricter requirement.