Barcelona Economics Working Paper Series a Measure of Rationality and Welfare a Measure of Rationality and Welfare *
Barcelona Economics Working Paper Series a Measure of Rationality and Welfare a Measure of Rationality and Welfare *
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巴塞罗那经济学工作论文系列 理性与福利的衡量 理性与福利的衡量 *
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通讯作者：
Miguel A. Ballester
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作者：
Jose Apesteguia;Miguel A. Ballester;Miguel A. Ballester
有充分的证据表明，选择行为往往偏离经典的最大化原则。这一证据至少提出了两个重要问题：（一）偏离的严重程度;（二）为了福利分析的目的，从个人的选择中提取相关信息的最佳方法。在本文中，我们解决这两个问题，提出了一套基本条件，在此基础上建立一个适当的措施，合理的个人，并使个人福利分析潜在的不一致的科目，所有的基础上标准的显示偏好数据。在我们的第一个结果中，我们证明了有一个唯一的合理性度量满足所有提出的公理：加权损失指数。本文的第二部分研究了加权损失指数的相关性质。
There is ample evidence to show that choice behavior often deviates from the classical principle of maximization. This evidence raises at least two important questions: (i) how severe the deviation is and (ii) which method is the best for extracting relevant information from the choices of the individual for the purposes of welfare analysis. In this paper we address these two questions by proposing a set of foundational conditions on which to build a proper measure of the rationality of individuals, and enable individual welfare analysis of potentially inconsistent subjects , all based on standard revealed preference data. In our first result, we show that there is a unique measure of rationality that satisfies all of the proposed axioms: the weighted-loss indices. In the second part of the paper, we study some relevant properties of weighted-loss indices.