外生的資源制約を課した環境ジレンマゲームの普遍モデルに関する研究

  • 谷本 潤
    九州大学大学院総合理工学研究院
  • 脇山 宗也
    九州大学大学院総合理工学府 修士課程
  • 相良 博喜
    九州大学大学院総合理工学府 博士課程,日本学術振興会

書誌事項

タイトル別名
  • A RESEARCH ON THE UNIVERSAL MODEL OF ENVIRONMENTAL DILEMMA GAME BASED ON 2×2 GAME CONSTRAINED WITH THE EXOGENOUS RESOURCE RESTRICTION
  • ガイセイテキ シゲン セイヤク オ カシタ カンキョウ ジレンマ ゲーム ノ フヘン モデル ニ カンスル ケンキュウ

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抄録

To induce whether we can obtain a sustainable society shifting our paradigm from the materialism to the eco-conscious idea, a 'universal' prototype model for Environmental Dilemma Game was established, which is one of the authors' series study for the modeling of Human-Environmental-Social System. The meaning of 'universal' comes from the fact that the presented model is obviously different from the previous environmental dilemma games in two points. The first feature is that the recourse restriction is exogenously defined from the inherent game structure (payoff structure) so that the environmental recovery rate can be estimated in time varying way, which differs from n-Chicken type or Tragedy of Commons (TOC) game. The second point is that the game played by agents is defined by a 2×2 game that is standard, well known, widely researched as a prototype game. A series of simulations reveals that a sustainable strategy allowing behavior-shifting to adjust environmental capability can be evolved in a limited region of the 2×2 game world, where game's dilemma is rather weak. Whereas, a set of dangerous strategies always trying to obtain resources has been prevailed.

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