2011 Fiscal Year Final Research Report
Trust and Diversity : A Game Theoretic Approach to Social Norms in a Voluntary Transaction Society
| Project/Area Number |
21530171
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Economic theory
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| Research Institution | Komazawa University |
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Principal Investigator |
SUZUKI Nobue 駒澤大学, 経済学部, 准教授 (90365536)
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| Co-Investigator(Kenkyū-buntansha) |
FUJIWARA Takako (FUJIWARA GREVE Takako) 慶應義塾大学, 経済学部, 教授 (10219040)
HUJIWARA Masahiro (HUJIWARA OKUMO Masahiro) 流通経済大学, 経済学部, 教授 (40114988)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 自発的継続繰り返しゲーム / 囚人のジレンマ / 信頼形成 / 情報 / 多様性 |
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| Research Abstract |
We studied how trust and social norms work in the voluntarily separable Prisoner's Dilemma models. We have shown that costly and voluntary information transmission using reference letters improves equilibrium efficiency. We also have shown that, when a certain condition holds, equilibrium involving both cooperative and non-cooperative strategies is more efficient than equilibrium with cooperative strategies only.
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