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On the value of information: Why people reject medical tests

机译:关于信息的价值:人们为什么拒绝医学检查

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摘要

We use a model of reference-dependent preferences proposed by Koszegi and Rabin (2009) to derive the value of information when a decision-maker is loss averse over changes in beliefs. This allows to model the anticipation of potential disappointment when receiving bad news. We show that this emotional impact depends on whether information is instrumental, i.e. whether it affects the decision about a subsequent action. The desirability of information in emotional terms can thus not be analyzed separately from its desirability in material terms. We apply the model to a patient's choice problem to undergo medical screening. The availability of effective cure and the timing of testing are predicted to be significant determinants of test uptake. This is in line with empirical research concerning patients' motives to decline testing. (C) 2015 Elsevier Inc. All rights reserved.
机译:我们使用Koszegi和Rabin(2009)提出的参考依赖型偏好模型来推导当决策者对信念的改变感到厌恶时的信息价值。这样可以在收到坏消息时对潜在失望的预期进行建模。我们证明了这种情感影响取决于信息是否有用,即信息是否影响后续行动的决策。因此,不能将情感方面的信息需求与物质方面的需求分开进行分析。我们将模型应用于患者的选择问题以进行医学筛查。预计有效治愈的有效性和测试的时机是测试摄入量的重要决定因素。这与关于患者拒绝测试动机的实证研究一致。 (C)2015 Elsevier Inc.保留所有权利。

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