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折扣和欲望的投资组合
1Department of Psychology, Arizona State University.
Psychological review
|September 14, 2023
概括
本研究将折扣的附加效用理论扩展到概率和商品,解释商品价值如何影响延迟折扣. 它统一了延迟,概率和跨商品折扣,提供了对动机和认知影响的见解.
科学领域:
- 行为经济学是一种行为经济学.
- 决策科学 决策科学 决策科学
- 认知心理学 认知心理学
背景情况:
- 折扣的附加效用理论解释了个人如何重视延迟的奖励.
- 现有的理论努力统一延迟,概率和商品折扣.
- 大小效应和负大小效应需要在折扣框架内进一步解释.
研究的目的:
- 将折扣的附加效用理论扩展到概率和商品上下文.
- 开发一种统一各种折扣现象的通用折扣理论 (GTD).
- 解释资产价值,认知状态和激励因素对折扣的影响.
主要方法:
- 使用联合测量来确定货币和概率的主观价值函数.
- 扩展了附加效用理论,将概率和商品折扣纳入其中.
- 分析了资产效用,流动性和认知操纵等因素如何影响折扣梯度.
主要成果:
- 货币的主观价值遵循对数函数;主观概率遵循Prelec (1998) 的权重函数.
- 折扣的一般理论 (GTD) 解释了大小效应和负大小效应.
- 增加资产效用 (例如,通过未来思考) 会使折扣梯度变平,而降低效用 (例如,压力) 会使其变.
结论:
- GTD为理解延迟,概率和跨商品折扣提供了一个统一的框架.
- 该理论解释了动机状态和认知操纵如何影响折扣.
- 提高延迟货物的感知价值有效地减少了折扣.
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