Simulation Study on the Social Dilemma Model with the Exit Option

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  • 所属集団を変更できる社会的ジレンマモデルの計算機実験
  • ショゾク シュウダン オ ヘンコウ デキル シャカイテキ ジレンマ モデル ノ ケイサンキ ジッケン

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<p>This paper describes the results of the social dilemma simulation game where players can change parties to interact with and assess the effectiveness of the Exit-TFT strategy, whose existence has been confirmed in experiments with university students. We conducted simulations in which Exit-TFT, Fixed-TFT, Move-AllD, and Fixed-AllD competed, tested whether the cooperative strategies could weed out the non-cooperative strategies depending on initial distribution of strategies, and drew a phase diagram. The results indicated: 1) there were areas in which cooperative strategies won the competition against non-cooperative strategies, and 2) dominance relationships circulated among the four strategies near bifurcation points.</p>

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