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首页> 外文期刊>Environmental & Resource Economics >Addressing Preference Heterogeneity, Multiple Scales and Attribute Attendance with a Correlated Finite Mixing Model of Tap Water Choice
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Addressing Preference Heterogeneity, Multiple Scales and Attribute Attendance with a Correlated Finite Mixing Model of Tap Water Choice

机译：用自来水选择的相关有限混合模型解决偏好异质性，多尺度和属性出勤问题

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摘要

Unobserved heterogeneity of error scale in choice models is a recent extension of the better investigated issue of heterogeneity of taste intensity. It is achieved by fitting choice panel data with specifications that simultaneously handle inter-personal variation in scale and taste. The aim is to separate differences in preference intensities across respondents from differences in the degree of consistency in choice behaviour, or 'preference discrimination', while accounting for correlation between the two. Another recent substantive issue in choice data analysis is attribute non-attendance. We develop a finite mixing model to address simultaneously the three issues above. We empirically prove the concept on stated preference data related to tap water attributes in a study for industry regulation.
机译：选择模型中未观察到的误差量表的异质性是对味道强度异质性进行更好研究的最新延伸。通过将选择面板数据与同时处理人际规模和品味差异的规范相匹配来实现。目的是将受访者的偏好强度差异与选择行为或“偏好歧视”的一致性程度差异区分开来，同时考虑两者之间的相关性。选择数据分析中的另一个近期实质性问题是属性缺勤。我们开发了一个有限混合模型来同时解决上述三个问题。在行业监管研究中，我们通过经验证明了与自来水属性相关的指定偏好数据的概念。

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