从时间不一致性到时间一致性,以实现最佳停止问题.
1School of Data Science, The Chinese University of Hong Kong, Shenzhen, Guangdong Province, China.
PloS one
|November 12, 2024
概括
我们通过测量幼稚的行为者采取复杂策略所需的时间来量化决策中的时间不一致性. 在累积前景理论中,更高的概率扭曲与更大的时间不一致性和更长的适应时间有关.
科学领域:
- 决策理论 决策理论
- 行为经济学是一种行为经济学.
- 数学心理学 数学心理学
背景情况:
- 时间不一致的偏好在最佳停止问题上带来了挑战.
- 纯粹的代理人经常因不断变化的偏好而偏离最初的计划.
- 累积前景理论 (CPT) 解释了概率扭曲,这是时间不一致的来源.
研究的目的:
- 开发一个指标来量化时间不一致的水平.
- 调查CPT中概率扭曲与时间不一致的严重程度之间的关系.
- 为了确定天真策略转向复杂策略所需的时间.
主要方法:
- 建模最佳的停止问题与时间不一致的偏好.
- 引入一个重复的实验框架,其中代理人观察和调整他们的行为.
- 分析了天真策略与基于观察到的行动的复杂策略的融合时间.
主要成果:
- 从天真到复杂的策略过渡所需的时间是时间不一致性的衡量标准.
- 对于CPT偏好,增加的概率扭曲导致更大的时间不一致.
- 更高程度的概率扭曲需要更多的时间来实现战略趋同.
结论:
- 提出的基于时间的指标有效量化了固有的时间不一致性.
- 在CPT中概率扭曲是增加时间不一致性的直接驱动因素.
- 了解这种关系对于在动态决策场景中预测和管理代理行为至关重要.
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