2012 Fiscal Year Final Research Report
Role of Social Capital and its Construction
| Project Area | Experimental Social Sciences: Toward Experimentally-based New Social Sciences for the 21st Century |
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| Project/Area Number |
19046002
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Review Section |
Humanities and Social Sciences
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| Research Institution | Waseda University (2008-2012)
Tokyo Institute of Technology (2007) |
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Principal Investigator |
SHIMIZU Kazumi 早稲田大学, 政治経済学術院, 准教授 (20308133)
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| Co-Investigator(Kenkyū-buntansha) |
SHEN Junyi 広島市立大学, 国際学部, 准教授 (10432460)
SERIZAWA Shigehiro 大阪大学, 社会経済研究所, 教授 (90252717)
YAMATO Takehiko 東京工業大学, 社会理工学研究所, 教授 (90246778)
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| Co-Investigator(Renkei-kenkyūsha) |
WATABE Motoki 早稲田大学, 日米研究機構, 主任研究員・研究員准教授 (40241286)
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| Project Period (FY) |
2007 – 2012
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| Keywords | 社会関係資本 / メカニズム・デザイン / 環境 / 公共財供給 / 実験 |
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| Research Abstract |
1. Social capital measurements primarily include behavioral and attitudinal survey questionnaires, like General Social Survey (GSS). However the relationship between trust attitudes measured in surveys and trust behavior measured in experiments is not clear. Our research states that to measure social capital it is very important to take into account seriously that relation provided that trust have a positive correlation with voluntary cooperation, risk preferences and opinions of others' trusting behavior, all of which are indispensable to economic prosperity.
2. Although definitions of social capital vary, the general consensus is that its main components include cooperation, trust, trustworthiness and risk preference. Our research shows that trusting behavior in male participants significantly increased in relation to the perceived attractiveness of the female partner, but that attractiveness did not impact trusting behavior in the minocycline group. Animal studies have shown that min
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ocycline inhibits microglial activities. Therefore, this minocycline effect may shed new light on the unknown roles microglia play in human mental activities.
3. We examine three tools that can enhance coordination success in a repeated multiple choice stag hunt game, namely gradualism, endogeneity, and modification. Gradualism means that the game starts as an easy coordination problem and moves gradually to a more difficult but profitable one. Endogeneity implies that a gradual increase in the upper limit of coordination occurs only if coordination with the Pareto superior equilibrium in a stage game is attained. Modification requires that in the case of coordination failure, the level of the next coordination game should be adjusted to an easier one at which participants have successfully coordinated in previous periods. Based on experimental results generated in a laboratory setting, we find that a mechanism that combines these three tools, termed herein the GEM mechanism, is beneficial not only to achieve coordination success but also to enhance cooperative behavior in a social dilemma. Less
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[Journal Article] Minocycline, a microglial inhibitor, reduces 'honey trap' risk in human economic exchange2013
Author(s)
Watabe, M., Kato, T. A., Tsuboi, S., Ishikawa, K., Hashiya, K., Monji, A, Utsumi, H., & Kanba, S
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Journal Title
Scientific Reports
Volume: (in press)
Peer Reviewed
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[Journal Article] Implication of silence in a Japanese psychotherapy context: A preliminary study using quantitative analysis of silence and utterance of a therapist and a client2013
Author(s)
Nagaoka, C., Kuwabara, T., Yoshikawa, S., Watabe, M., Komori, M., Oyama, Y., & Hatanaka, C
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Journal Title
Asia Pacific Journal of Counselling and Psychotherapy
Volume: (in press)
Peer Reviewed
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[Journal Article] Minocycline modulates human social decision-making: Possible impact of microglia on personality-oriented social behaviors2012
Author(s)
Kato, T. A., Watabe, M., Tsuboi, S., Ishikawa, K., Hashiya, K., Monji, A Utsumi, H., & Kanba, S
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Journal Title
PLoS ONE
Volume: 7(7)
Pages: e40461
DOI
Peer Reviewed
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[Journal Article] Does minocycline, an antibiotic with inhibitory effects on microglial activation, sharpen a sense of trust in social interaction?2012
Author(s)
Watabe, M., Kato, T. A., Monji, A., Horikawa, H., & Kanba, S
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Journal Title
Psychopharmacology
Volume: 220
Pages: 551-557
DOI
Peer Reviewed
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[Presentation] Prosocial Effects of Minocycline, an Antibiotic with Neuroprotective Properties, on Human Decision-Making: Interpretation from the MICROGLIA Hypothesis2011
Author(s)
Kato,A. T., Watabe, M., Tsuboi, S., Ishikawa, K., Hashiya, K., Utsumi, H., and Kanba, S
Organizer
Poster presented at the Annual Meeting of the Society for Neuroscience
Place of Presentation
Washington DC, USA
Year and Date
2011-11-13
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