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英文文献：Income and Price Elasticities of Food Demand and Nutrient Consumption in Malawi-马拉维粮食需求和营养消费的收入和价格弹性
英文文献作者：Ecker, Olivier,Qaim, Matin
英文文献摘要：
Widespread malnutrition in developing countries calls for appropriate interventions, presupposing good knowledge about the nutritional impacts of policies. Little previous work has been carried out in this direction. We present a comprehensive analytical framework, which we apply for Malawi. Using household data and a demand systems approach, we estimate income and price elasticities of food, calorie, and micronutrient consumption. These estimates are used for policy simulations. Given multiple nutrient deficiencies, income-related policies are better suited than price policies to improve nutrition. While consumer subsidies for maize increase calorie and mineral consumption, they contribute to a higher prevalence of vitamin deficiencies.
发展中国家普遍存在的营养不良要求采取适当的干预措施，前提是充分了解政策对营养的影响。在这方面进行的前期工作很少。我们提出了一个全面的分析框架，我们将其应用于马拉维。利用家庭数据和需求系统方法，我们估计了收入和食品、热量和微量营养素消费的价格弹性。这些估计用于政策模拟。考虑到多种营养缺乏，与收入相关的政策比价格政策更适合改善营养。虽然消费者对玉米的补贴增加了热量和矿物质的消耗，但也导致了维生素缺乏的更普遍现象。
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