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损失规避、禀赋效应和得失框架影响非工具性信息偏好。

Loss aversion, the endowment effect, and gain-loss framing shape preferences for noninstrumental information.

机构信息

Department of Banking and Finance, University of Innsbruck, Innsbruck, Austria, 6020.

Department of Social and Decision Sciences, Carnegie Mellon University, Pittsburgh, PA 15213.

出版信息

Proc Natl Acad Sci U S A. 2022 Aug 23;119(34):e2202700119. doi: 10.1073/pnas.2202700119. Epub 2022 Aug 16.

Abstract

We often talk about interacting with information as we would with a physical good (e.g., "consuming content") and describe our attachment to personal beliefs in the same way as our attachment to personal belongings (e.g., "holding on to" or "letting go of" our beliefs). But do we in fact value information the way we do objects? The valuation of money and material goods has been extensively researched, but surprisingly few insights from this literature have been applied to the study of information valuation. This paper demonstrates that two fundamental features of how we value money and material goods embodied in Prospect Theory-loss aversion and different risk preferences for gains versus losses-also hold true for information, even when it has no material value. Study 1 establishes loss aversion for noninstrumental information by showing that people are less likely to choose a gamble when the same outcome is framed as a loss (rather than gain) of information. Study 2 shows that people exhibit the endowment effect for noninstrumental information, and so value information more, simply by virtue of "owning" it. Study 3 provides a conceptual replication of the classic "Asian Disease" gain-loss pattern of risk preferences, but with facts instead of human lives, thereby also documenting a gain-loss framing effect for noninstrumental information. These findings represent a critical step in building a theoretical analogy between information and objects, and provide a useful perspective on why we often resist changing (or losing) our beliefs.

摘要

我们常常用对待实体物品的方式来描述我们与信息的互动(例如,“消费内容”),并且用与我们对待个人财物相同的方式来描述我们对个人信仰的执着(例如,“坚持”或“放弃”我们的信仰)。但是,我们实际上是否像对待物品一样重视信息呢?货币和物质商品的估值已经得到了广泛的研究,但令人惊讶的是,该文献中的很少有见解被应用于信息估值的研究。本文表明,在我们对货币和物质商品的估值中体现的两个基本特征——损失厌恶和对收益与损失的不同风险偏好——也适用于信息,即使信息没有物质价值。研究 1 通过表明当相同的结果被表述为信息的损失(而不是收益)时,人们不太可能选择一个赌博,从而确立了非工具性信息的损失厌恶。研究 2 表明,人们表现出非工具性信息的禀赋效应,因此仅仅因为“拥有”它就更看重信息。研究 3 提供了经典的“亚洲疾病”收益-损失风险偏好模式的概念复制,但使用的是事实而不是人类生命,从而也记录了非工具性信息的收益-损失框架效应。这些发现代表了在建立信息和物体之间的理论类比方面的重要一步,并提供了一个有用的视角,说明为什么我们经常抵制改变(或失去)我们的信仰。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c899/9407664/1c90a219e44a/pnas.2202700119fig01.jpg

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