新冠肺炎对国内生产总值、粮食价格和粮食安全的影响

Q open Pub Date : 2021-01-01 DOI:10.1093/qopen/qoab005
Jayson Beckman, F. Baquedano, Amanda M. Countryman
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引用次数: 22

摘要

摘要新冠肺炎引发了大量研究,研究了可能的影响;然而,对粮食安全的潜在影响却很少受到关注。我们使用可计算的一般均衡模型来模拟新冠肺炎的潜在影响,使用2020年(9月)以来观察到的失业率、贸易、油价和生产的变化来为我们的模型提供信息。然后,估计的国内生产总值和粮食价格变化被用作国际粮食安全评估(IFSA)模型的输入,该模型估计发展中国家的粮食消费变化和粮食缺口。结果表明,新冠肺炎封锁导致全球国内生产总值下降7.2%,粮食价格下降9%。这些变化导致2020年粮食不安全人口增加2.11亿(增加27.8%)。我们还进行了敏感性分析,提供了新冠肺炎潜在影响的下限和上限。
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The Impacts of COVID-19 on GDP, food prices, and food security
Abstract COVID-19 has led to a wealth of research examining possible impacts; however, potential impacts to food security have received much less attention. We use a computable general equilibrium model to simulate the potential impacts of COVID-19 using observed changes from 2020 (September) in unemployment, trade, oil prices, and production to inform our model. Estimated GDP and food price changes are then used as inputs into the International Food Security Assessment (IFSA) model which estimates changes in food consumption, and food gaps in developing countries. Results indicate that the COVID-19 lockdowns lead to a decrease in global GDP of 7.2 per cent, and a decrease in grain prices of 9 per cent. These changes lead to an increase in the number of food-insecure people in 2020 of 211 million (a 27.8 per cent increase). We also perform a sensitivity analysis, providing a lower and upper bound of potential impacts from COVID-19.
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