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A Mathematical Sociological Analysis toward Clarifying Mechanisms of Social Inequality and Redistribution

Research Project

Project/Area Number 22730405
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Sociology
Research InstitutionShibaura Institute of Technology

Principal Investigator

MUTO Masayoshi  芝浦工業大学, システム理工学部, 准教授 (00553231)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywordsゲーム理論 / チキンゲーム / ネットワーク / 不平等 / 再分配 / 格差 / 貨幣 / コミュニティ / 社会的価値志向 / ジニ係数 / マクシミン原理 / アマルティア・セン / 評価関数 / 社会的効率性
Research Abstract

The main results of this research are the following three points. (1) In order to explicating mechanisms of social gap, the two types of three-person game theory model were built; one is concretely a model of division of work and money generation, the other is generally three-person chicken games. The features of the equilibria in these games were clarified. (2) The integrated evaluation principle of social efficiency and egalitarianism was proposed. Specifically, the principle that considers the lower payoff individuals deeply isderived from a natural assumption of the social value orientation toward equality in two-person relation. (3) A model in which the gap and the community were formed simultaneously from heterogeneous actors was built. Specifically, a twelve-person network game model was built, and it was clarified what kind of gap arises as the equilibrium network in the games.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (12 results)

All 2013 2012 2011 2010 Other

All Presentation (12 results)

  • [Presentation] 異質な行為者によるコミュニティと格差の同時形成--ネットワークゲーム分析2013

    • Author(s)
      武藤正義
    • Organizer
      第55回数理社会学会大会
    • Place of Presentation
      第55回数理社会学会大会
    • Related Report
      2012 Final Research Report
  • [Presentation] 複合マクシミン--多人数状況における平等と効率の統合指標2013

    • Author(s)
      武藤正義
    • Organizer
      第53回数理社会学会大会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2012 Final Research Report
  • [Presentation] 異質な行為者によるコミュニティと格差の同時形成──ネットワークゲーム分析2013

    • Author(s)
      武藤正義
    • Organizer
      第55回数理社会学会大会
    • Place of Presentation
      東北学院大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 複合マクシミン-多人数状況における平等と効率の統合指標2012

    • Author(s)
      武藤正義
    • Organizer
      第53回数理社会学会大会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2011 Annual Research Report
  • [Presentation] Emergence of Friendly Group with Friend Selection Strategies2011

    • Author(s)
      MUTO, Masayoshi, NAKAI, Yutaka
    • Organizer
      Japan-Swiss Joint Workshop on Agent Based Model in Sociology
    • Place of Presentation
      ETH Zurich, Switzerland
    • Year and Date
      2011-09-15
    • Related Report
      2011 Annual Research Report
  • [Presentation] トライアドにおける格差のゲーム理論的分析2011

    • Author(s)
      武藤正義
    • Organizer
      第52回数理社会学会大会
    • Place of Presentation
      信州大学松本キャンパス
    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Presentation] 貨幣の成立条件についてのゲーム理論的分析2011

    • Author(s)
      武藤正義
    • Organizer
      第51回数理社会学会大会
    • Place of Presentation
      沖縄国際大学
    • Related Report
      2012 Final Research Report 2010 Annual Research Report
  • [Presentation] Social Order due to Friend Selection Strategies Based on Tag and Reputation in Group2011

    • Author(s)
      NAKAI, Yutaka, MUTO, Masayoshi
    • Organizer
      ESSA 2011 (The 7th Conference of The European Social Simulation Association)
    • Place of Presentation
      Montpellier, France
    • Related Report
      2011 Annual Research Report
  • [Presentation] 分業ネットワークのゲーム理論的定式化2010

    • Author(s)
      武藤正義
    • Organizer
      第50回数理社会学会大会
    • Place of Presentation
      獨協大学
    • Related Report
      2012 Final Research Report 2010 Annual Research Report
  • [Presentation] Liberty, Equality and Efficiency on Simple Redistribution System: A Game Theoretic Analysis of Modern Social Values2010

    • Author(s)
      Masayoshi Muto
    • Organizer
      XVII ISA World Congress of Sociology
    • Place of Presentation
      Gothenburg, Sweden
    • Related Report
      2012 Final Research Report
  • [Presentation] Liberty, Equality and Efficiency on Simple Redistribution System

    • Author(s)
      Muto, Masayoshi
    • Organizer
      International Sociological Association(国際社会学会)
    • Place of Presentation
      Gothenburg, Sweden
    • Related Report
      2010 Annual Research Report
  • [Presentation] 再分配における自由・平等・効率の関係:ゲーム理論的分析

    • Author(s)
      武藤正義
    • Organizer
      第6回現象数理若手シンポジウム
    • Place of Presentation
      明治大学・生田(招待講演)
    • Related Report
      2010 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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