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The inequality of nutrition intake among adults in China

机译:中国成年人营养摄入的不平等

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This paper constructs a multidimensional Theil Index to estimate and decompose the inequality of nutrition intake among the adult population in China. Using 1991-2009 China Health and Nutrition Surveys (CHNS), this paper features two major findings. First, we show that the nutrition inequality has remained small in contrast to the large and increasing inequality in population income. Second, using Theil decompositions and Oaxaca-Blinder (O-B) decompositions, we find that, unlike income inequality, nature factors (such as age and gender) and regional factors play a more important role than socioeconomic factors in nutrition inequality. This finding provides a plausible explanation to the different time trends of nutrition inequality and income inequality. Moreover, it suggests that policies that aim to reduce the socioeconomic disparities may not automatically transfer to closing the gap in nutrition intake, which in turn is a potentially important determinant of population health and the long-term economic development.
机译:本文构建了一个多维泰尔指数,以估计和分解中国成年人口营养摄入的不平等。本文使用1991-2009年中国健康与营养调查(CHNS),具有两个主要发现。首先,我们证明,与人口收入中日益严重的不平等现象相比,营养不平等现象仍然较小。其次,使用泰尔分解和瓦哈卡-布莱德(O-Baca)分解,我们发现,与收入不平等不同,自然因素(例如年龄和性别)和区域因素在营养不平等方面比社会经济因素更重要。这一发现为营养不平等和收入不平等的不同时间趋势提供了合理的解释。此外,它表明旨在减少社会经济差异的政策可能不会自动转移到弥补营养摄入差距上,而这反过来又可能成为人口健康和长期经济发展的重要决定因素。

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