Review of hedonic quality adjustment in UK consumer price statistics and internationally

Hedonic quality adjustment was first introduced in the Consumer Prices Index (CPI) in 2003 for PCs. Since then the use of hedonics has expanded in UK consumer price statistics to include a further five technology products; digital cameras, laptops, mobile phones, pay as you go phones, smartphones and tablet PCs. This article reviews the use of hedonic quality adjustment in consumer price indices in the UK and internationally. It also details the reasons for changing the method of quality adjustment for pay-as-you-go phones and digital cameras, from hedonic adjustment to class mean imputation, from March 2014 onwards.

Source agency: Office for National Statistics

Designation: National Statistics

Language: English

Alternative title: Review of hedonic quality adjustment

享乐质量调整最初于2003年应用于消费者价格指数（CPI）中的个人电脑评估。自此，享乐调整法在英国消费者价格统计数据中的应用范围得以拓展，涵盖了包括数码相机、笔记本电脑、移动电话、预付费手机、智能手机和平板电脑在内的五种更多技术产品。本文对英国及国际范围内消费者价格指数中享乐质量调整的应用进行了综述，并详细阐述了自2014年3月起，对预付费手机和数码相机质量调整方法从享乐调整法转向类别平均值插补法的变更原因。