Relating incomplete preferences to other decision-theoretic models and its application
| Project/Area Number |
18K01511
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 07010:Economic theory-related
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| Research Institution | Iwate Prefectural University |
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Principal Investigator |
Koida Nobuo 岩手県立大学, 総合政策学部, 教授 (30363724)
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| Project Period (FY) |
2018-04-01 – 2022-03-31
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| Project Status |
Completed (Fiscal Year 2021)
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| Budget Amount *help |
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Keywords | 意思決定理論 / 不完備選好 / メニュー選好 / 非推移的無差別関係 / 確率的選択 / 柔軟性への選好 / リスク / 不確実性 |
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| Outline of Final Research Achievements |
This research project has mainly (1) analyzed the relationship between preference for flexibility and incomplete preferences and (2) axiomatized a general model of intransitive indifferencce. The former study relates the two seemingly unrelated models by proposing a new axiom, which also clarifies the relationship between these frameworks with other decision-theoretic models, such as stochastic choice. The latter study axiomatizes an intransitive indifference model that has a close connection to incomplete preferences. A major contribution of this approach is to distinguish two different classes of intransitive preference, one of which is relevant to an incomplete preference and the other of which is not.
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| Academic Significance and Societal Importance of the Research Achievements |
本研究課題で得られた研究成果の大きな特徴は、二点ある。一つめは、従来の経済学の枠組みを生かしながら、より現実の行動を記述できるような新しい意思決定モデルを構築したことである。二つめは、従来無関係あるいは関係が不明確であった複数の意思決定モデルを関連づけ、その類似点と相違点を明らかにしたことである。また、いずれについても、モデルが満たすべき行動を「公理」と呼ばれる数学的法則で特徴づける「公理化」という手法で分析することにより、より現実的な選択行動の性質を明らかにし、複数のモデルの関係をより明確化することができた点が大きな貢献だと考えられる。
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Report
(5 results)
Research Products
(7 results)
