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2017 Fiscal Year Annual Research Report

高次報酬懲罰系による社会的ジレンマの解決

Research Project

Project/Area Number 16H03120
Research InstitutionThe University of Tokyo

Principal Investigator

鳥海 不二夫  東京大学, 大学院工学系研究科(工学部), 准教授 (30377775)

Co-Investigator(Kenkyū-buntansha) 秋山 英三  筑波大学, システム情報系, 教授 (40317300)
岡田 勇  創価大学, 経営学部, 准教授 (60323888)
山本 仁志  立正大学, 経営学部, 教授 (70328574)
Project Period (FY) 2016-04-01 – 2019-03-31
Keywords社会システム / 社会的ジレンマ
Outline of Annual Research Achievements

高次の報酬・懲罰系社会構造を提案し,社会的ジレンマ問題を解決し,持続可能な協調的社会を達成するための制度設計を行った.高次報酬懲罰系社会構造に関して:(1) 被験者実験による理論解の実現可能性評価(2) エージェントベースモデリングによる理論解との乖離の原因解明(3) 実社会システムにおける行動データ分析,を行った.
被験者実験においては,これまで解析およびシミュレーションで求められていた解が被験者実験においても再現されるかどうかを確認した.その結果,これまでの解析,シミュレーション結果はおおむね支持されることが明らかとなった.
また,高次報酬系を持つ社会システムであるソーシャルメディアを対象とし,データ分析によって高次報酬系システムが理論通りに有効であるかを確認した.その結果,実社会のソーシャルメディにおいても高次報酬系システムが協調の維持に有効であることが示された.一方で,実社会システムが従来のモデルと異なるシステムによって運用されていることを考慮し,その違いを考慮した新しいモデリングを試みた.実社会システムを表現する新しい高次の報酬・懲罰系社会構造モデルの構築を行いシミュレーションを行った.その結果,従来のモデルでは協調的社会が実現できる条件においても,実社会システムでは協調的社会が実現できないことが明らかとなった.そこで,高次報酬系実社会システムでもあるソーシャルメディアにおける,協調的社会実現に必要な条件を明らかにするため,モデルの改良を行った.今後提案モデルにおいて協調的社会実現の必要条件を探っていく予定である.

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

実験,データ分析,シミュレーションいずれも予定通り進捗している.

Strategy for Future Research Activity

・引き続き被験者実験を実施する.より複雑なパターンについて実験を行う.得られた結果は,解析解と被験者実験の乖離を説明するモデル構築に利用する.
・引き続き実社会の高次懲罰報酬計社会システムのデータ分析を実施する.また,明らかになった現実社会とモデルとの乖離をシミュレーションによってさらに精緻に分析することで,より協調的社会実現に適した社会システムの構築を目指す.

  • Research Products

    (21 results)

All 2018 2017

All Journal Article (5 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 3 results,  Open Access: 3 results) Presentation (15 results) (of which Int'l Joint Research: 13 results,  Invited: 1 results) Funded Workshop (1 results)

  • [Journal Article] Effect of direct reciprocity and network structure on continuing prosperity of social networking services2018

    • Author(s)
      Osaka Kengo、Toriumi Fujio、Sugawara Toshihauru
    • Journal Title

      Computational Social Networks

      Volume: 4 Pages: 273-290

    • DOI

      10.1186/s40649-017-0038-2

    • Peer Reviewed / Open Access
  • [Journal Article] A Theoretical Approach to Norm Ecosystems: Two Adaptive Architectures of Indirect Reciprocity Show Different Paths to the Evolution of Cooperation2018

    • Author(s)
      Uchida Satoshi、Yamamoto Hitoshi、Okada Isamu、Sasaki Tatsuya
    • Journal Title

      Frontiers in Physics

      Volume: 6 Pages: -

    • DOI

      10.3389/fphy.2018.00014

    • Int'l Joint Research
  • [Journal Article] Behavioral uncertainty and the dynamics of traders’ confidence in their price forecasts2018

    • Author(s)
      Hanaki Nobuyuki、Akiyama Eizo、Ishikawa Ryuichiro
    • Journal Title

      Journal of Economic Dynamics & Control

      Volume: 88 Pages: 121~136

    • DOI

      doi.org/10.1016/j.jedc.2018.01.020

    • Peer Reviewed / Open Access
  • [Journal Article] Effects of different ways of incentivizing price forecasts on market dynamics and individual decisions in asset market experiments2018

    • Author(s)
      Hanaki Nobuyuki、Akiyama Eizo、Ishikawa Ryuichiro
    • Journal Title

      Journal of Economic Dynamics & Control

      Volume: 88 Pages: 51~69

    • DOI

      doi.org/10.1016/j.jedc.2018.01.018

  • [Journal Article] Tolerant indirect reciprocity can boost social welfare through solidarity with unconditional cooperators in private monitoring2017

    • Author(s)
      Okada Isamu、Sasaki Tatsuya、Nakai Yutaka
    • Journal Title

      Scientific Reports

      Volume: 7 Pages: -

    • DOI

      10.1038/s41598-017-09935-2

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] An Laboratory Experiment on Social Dilemmas - The Effect of 2nd Order Punishment/Sanction2018

    • Author(s)
      Akiyama, E. (with T. Nishikawa, I. Okada, F. Toriumi, and H. Yamamoto)
    • Organizer
      Hawaii International Conference on System Sciences
    • Int'l Joint Research / Invited
  • [Presentation] Social Simulation on Social Dilemmas, Computational Social Science Meets Social Dilemmas: Integrating Simulations, Experiments, and Big Data Analyses2018

    • Author(s)
      Yamamoto, H
    • Organizer
      HICSS2018
    • Int'l Joint Research
  • [Presentation] ソーシャルメディアにおける二次報酬可視化の効果2018

    • Author(s)
      鳥海 不二夫,山本 仁志,岡田 勇
    • Organizer
      第15回社会システム部会&第59回システム工学部会 合同研究会
  • [Presentation] Effect of Network Structure for Meta-Sanctions Game2017

    • Author(s)
      Fujio Toriumi, Isamu Okada, Hitoshi Yamamoto
    • Organizer
      The 2017 International Symposium on Nonlinear Theory and its Applications
    • Int'l Joint Research
  • [Presentation] Expectation for responses encourages social media participation: simulation study2017

    • Author(s)
      Fujio Toriumi, Isamu Okada, Hitoshi Yamamoto
    • Organizer
      Social Simulation Conference 2017
    • Int'l Joint Research
  • [Presentation] The Effect of Second-order Reward and Punishment in Public goods Game - An Experiment2017

    • Author(s)
      Eizo Akiyaam, Isamu Okada, Fujio Toriumi, Hitoshi Yamamoto
    • Organizer
      International Conference on Social Dilemmas 2017
    • Int'l Joint Research
  • [Presentation] Effects of eliciting long-run price forecasts on market dynamics in asset market experiments2017

    • Author(s)
      Akiyama, E. (with Hanaki, H. and Ishikwawa, R.)
    • Organizer
      BEAM Kyoto International Conference
    • Int'l Joint Research
  • [Presentation] Effects of eliciting long-run price forecasts on market dynamics in asset market experiments2017

    • Author(s)
      Akiyama, E. (with Hanaki, H. and Ishikwawa, R.)
    • Organizer
      第21回実験社会科学カンファレンス
  • [Presentation] he Effect of Second-order Rewards and Punishment in Public Goods Game --- An Experiment2017

    • Author(s)
      Akiyama, E. (with T. Nishikawa, I. Okada, F. Toriumi, and H. Yamamoto)
    • Organizer
      International Conference on Social Dilemmas
    • Int'l Joint Research
  • [Presentation] Is an unsung hero necessary? An analysis of social norms required for the transition to cooperative societies2017

    • Author(s)
      Yamamoto, H., Okada, I., Uchida, S. & Sasaki, T
    • Organizer
      Social Simulation Conference
    • Int'l Joint Research
  • [Presentation] Development of a norm ecosystem to understand different roles of social norms in indirect reciprocity2017

    • Author(s)
      Yamamoto, H., Okada, I., Uchida, S. & Sasaki, T
    • Organizer
      Mathematical Models in Ecology and Evolution
    • Int'l Joint Research
  • [Presentation] Underestimating of reward and overestimating of punishment in public good game2017

    • Author(s)
      Yamamoto, H. & Suzuki, T.
    • Organizer
      17th International Conference on Social Dilemmas
    • Int'l Joint Research
  • [Presentation] Justification Dilemma in private observation and its solution.2017

    • Author(s)
      Okada I, Sasaki T, Nakai Y.
    • Organizer
      17th International Conference on Social Dilemmas
    • Int'l Joint Research
  • [Presentation] Costly reputation systems and the evolution of indirect reciprocity in the donation game2017

    • Author(s)
      Sasaki T, Okada I, Nakai Y.
    • Organizer
      Mathematical Models in Ecology and Evolution
    • Int'l Joint Research
  • [Presentation] Staying: a new norm of indirect reciprocity with private information2017

    • Author(s)
      Okada I, Sasaki T, Nakai Y.
    • Organizer
      Social Simulation Conference 2017
    • Int'l Joint Research
  • [Funded Workshop] Computational social science meets social dilemmas: Integrating simulations, experiments and big data analyses in Hawaii International Conference on System Sciences2018

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Published: 2018-12-17  

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