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Experimental Investigations on Group Decision in Strategic Environments

Research Project

Project/Area Number 26285047
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Economic theory
Research InstitutionKochi University of Technology

Principal Investigator

KAMIJO Yoshio  高知工科大学, 経済・マネジメント学群, 教授 (40453972)

Co-Investigator(Kenkyū-buntansha) 三船 恒裕  高知工科大学, 経済・マネジメント学群, 准教授 (00708050)
岡野 芳隆  高知工科大学, 経済・マネジメント学群, 講師 (20513120)
舛田 武仁  高知工科大学, 公私立大学の部局等, 研究員 (80725060)
Project Period (FY) 2014-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2017: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2014: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Keywords集団意思決定 / 実験経済学 / 利他的選好 / 社会的選好 / リスク選好 / 時間選好 / 戦略的状況 / 持続可能性 / 集計ルール / 投票ルール / ゲーム理論 / 実験 / 利他選好 / 実験室実験
Outline of Final Research Achievements

This study examined the preference changes of individuals through forming a group using experimental methods. It became clear that by becoming a group, people would like more selfish choices and risk averse choices. We also found that the determinants of group time preference tend to reflect the influence of those who emphasize short-term benefits more than those who emphasize long-term benefits. From experiments using a task (preemptive attack game) wherein participants consider whether or not to make defensive preemptive attacks from fear that an opponent may attack, it became clear that preemptive attacks from a group to an individual was higher than the other conditions.

Academic Significance and Societal Importance of the Research Achievements

本研究は、人は集団となることにより、利己的・リスク回避的・短期利益指向的、となり、そのような変化は集団となった事実そのものから生じうることを明らかにした。このような集団を形成した際の変質は、長期的利益の追求や将来世代のための資源の確保などといった持続可能な選択を促進していく上での阻害要因となることが予想される。そのような障害を乗り越えていくためには、既存の制度の見直しや新たな社会的な役割の創出などのアプローチが必要であり、そのような研究や取り組みが今後ますます重要となることを本研究は示唆している。

Report

(6 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • 2014 Annual Research Report
  • Research Products

    (8 results)

All 2019 2017 2016 2015 2014

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results,  Open Access: 3 results,  Acknowledgement Compliant: 1 results) Presentation (5 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Time preferences between individuals and groups in the transition from hunter-gatherer to industrial societies2019

    • Author(s)
      Yayan Hernuryadin, Koji Kotani and Yoshio Kamijo
    • Journal Title

      Sustainability

      Volume: 11 Issue: 2 Pages: 395-395

    • DOI

      10.3390/su11020395

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Negotiating with the future: Incorporating imaginary future generation into negotiations2017

    • Author(s)
      Yoshio Kamijo, Asuka Komiya, Nobuhiro Mifune, Tatsuyoshi Saijo
    • Journal Title

      Sustainability Science

      Volume: 12 Issue: 3 Pages: 409-420

    • DOI

      10.1007/s11625-016-0419-8

    • NAID

      40021177838

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Parochial altruism: Does it explain modern human group psychology?2016

    • Author(s)
      Yamagishi, T., & Mifune, N.
    • Journal Title

      Current Opinion in Psychology

      Volume: 7 Issue: 5 Pages: 39-43

    • DOI

      10.1371/journal.pone.0154859

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] How does proxy vote on behalf of future generation affect the voting behavior of present generation? A laboratory experiment2017

    • Author(s)
      Yoshio Kamijo
    • Organizer
      2017 ESA European Meeting
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Hearing the Voice of Future Generations: A Laboratory Experiment of ‘Demeny Voting'2016

    • Author(s)
      上條良夫
    • Organizer
      Econometric Society
    • Place of Presentation
      Kyoto
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Hearing the Voice of Future Generations: A Laboratory Experiment of ‘Demeny Voting'2016

    • Author(s)
      上條良夫
    • Organizer
      Human Development and Capability Association
    • Place of Presentation
      Tokyo
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Hearing the Voice of Future Generations: A Laboratory Experiment of ‘Demeny Voting'2015

    • Author(s)
      上條良夫
    • Organizer
      第9回日仏先端科学シンポジウム
    • Place of Presentation
      京都
    • Year and Date
      2015-01-22 – 2015-01-25
    • Related Report
      2014 Annual Research Report
  • [Presentation] Hearing the Voice of Future Generations: A Laboratory Experiment of ‘Demeny Voting'2014

    • Author(s)
      Yoshio Kamijo
    • Organizer
      14th SAET Conference on Current Trends in Economic
    • Place of Presentation
      Tokyo
    • Year and Date
      2014-08-19
    • Related Report
      2014 Annual Research Report

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Published: 2014-04-04   Modified: 2020-09-08  

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