GDP在收入不平等与预期寿命关系中的中介作用

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2021-12-01 DOI:10.21315/aamj2021.26.2.5

Chia-Chang Chuang

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引用次数: 0

摘要

本研究基于经济合作与发展组织（OECD）23个国家2004年至2014年的数据，考察了国内生产总值（GDP）对预期寿命和收入不平等之间关系的中介作用。为了形成理论框架，采用了普雷斯顿曲线和库兹涅茨曲线。该研究建立了一个中介模型，将预期寿命作为结果变量，GDP作为中介变量，并将收入不平等的三个变量作为预测变量：基尼指数、最高20%的收入份额和每天1.90美元的贫困人口比例。研究发现，GDP显然介导了预测变量对预期寿命的影响，尽管影响的程度各不相同。这项研究为探索GDP对预期寿命和收入不平等之间关系的中介作用迈出了重要的第一步。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Mediating Roles of GDP on the Relationship Between Income Inequality and Life Expectancy

This study examined the mediation effect of gross domestic product (GDP) on the relationship between life expectancy and income inequality based on data from 23 Organisation for Economic Co-operation and Development (OECD) countries for 2004 through 2014. To form a theoretical framework, Preston curve and Kuznets curve were employed. The study set up a mediation model with life expectancy as an outcome variable, GDP as a mediator variable, and three variables characterising income inequality as predictor variables: Gini index, income share held by highest 20%, and poverty headcount ratio at US$1.90 a day. The study found that GDP clearly mediates the effects of the predictor variables on life expectancy, although the magnitudes of the effects vary. This study takes an important initial step in exploring the mediation effect of GDP on the relationship between life expectancy and income inequality.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.