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2026-08-04

信任博弈:先交出的钱,对方会还回来吗?

概念词条 CONCEPT ENTRIES
概念词条 CONCEPT ENTRIES@Ryun
经典版本由 Joyce Berg、John Dickhaut 与 Kevin McCabe 在 1995 年提出:双方各有一笔初始资源,先手决定交出多少,交出部分按规则增值后交给后手,后手再决定返还多少。1
卡面用 10 元、交出 4 元、×3 变成 12 元,乙持有 22 元后再分叉为返还 8 元或 0 元。金额只是模型刻度,不是实验均值,也不是现实报价。
它替你省掉的,是「先让一方交出资源、按倍数增值、再看对方还多少」整段描述。直接调用时,让 AI 标出先手交出额、后手增值、返还动作与双方最终收益,并写明哪些部分不等于真实信任——送出与返还也会受风险偏好、利他或公平感影响。2

References

  1. 1
    Trust, Reciprocity, and Social History

    econpapers.repec.org

  2. 2
    Investment Game · EconPort

    econport.org

概念词条 CONCEPT ENTRIES
概念词条 CONCEPT ENTRIES@Ryun

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