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Parameterizing standard measures of income and health inequality using choice experiments
Health Economics ( IF 2.1 ) Pub Date : 2021-07-22 , DOI: 10.1002/hec.4395
Hjördis Hardardottir 1 , Ulf-G Gerdtham 2 , Erik Wengström 2
Affiliation  

When measuring inequality using conventional inequality measures, ethical assumptions about distributional preferences are often implicitly made. In this paper, we ask whether the ethical assumptions underlying the concentration index for income-related health inequality and the Gini index for income inequality are supported in a representative sample of the Swedish population using an internet-based survey. We find that the median subject has preferences regarding income-related health inequality that are in line with the ethical assumptions implied by the concentration index, but put higher weight on the poor than what is implied by the Gini index of income inequality. We find that women and individuals with a poorer health status put higher weight on the poor than men and healthier individuals. Ethically flexible inequality measures, such as the s-Gini index and the extended concentration index, imply that researchers have to choose from a toolbox of infinitely many inequality indices. The results of this paper are indicative of which indices (i.e. which parameter values) reflect the views of the population regarding how inequality should be defined.

中文翻译:

使用选择实验参数化收入和健康不平等的标准措施

当使用传统的不平等措施来衡量不平等时,关于分配偏好的伦理假设通常是隐含的。在本文中,我们使用基于互联网的调查询问瑞典人口的代表性样本是否支持收入相关健康不平等集中指数和收入不平等基尼指数背后的伦理假设。我们发现中位数受试者对与收入相关的健康不平等有偏好,这与集中指数暗示的伦理假设一致,但对穷人的重视程度高于收入不平等的基尼指数所暗示的。我们发现,与男性和健康个体相比,健康状况较差的女性和个人对穷人的重视程度更高。道德上灵活的不平等措施,例如 s-Gini 指数和扩展集中指数,意味着研究人员必须从无限多个不平等指数的工具箱中进行选择。本文的结果表明哪些指数(即哪些参数值)反映了人口对如何定义不平等的看法。
更新日期:2021-09-09
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