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农业在经济中的重要性:来自新冠疫情的影响。

The Importance of Agriculture in the Economy: Impacts from COVID-19.

作者信息

Beckman Jayson, Countryman Amanda M

出版信息

Am J Agric Econ. 2021 Oct;103(5):1595-1611. doi: 10.1111/ajae.12212. Epub 2021 Mar 7.

Abstract

Much of the attention from COVID-19 has been on the impacts on tourism and other service sectors; but there has been a growing interest in some agricultural and food topics, such as the decline in food away from home (FAFH) expenditures. Our work considers the importance of FAFH in the overall economy, and we also consider changes in agricultural production and trade that have occurred because of COVID-19. We gather data on actual changes to these components, as well as similar shocks to non-agricultural sectors, and employ a simulation model to estimate the impacts on gross domestic product (GDP). Results indicate that changes from agriculture due to COVID-19 have had a larger effect on the overall U.S. economy than the share of agriculture in the economy at the beginning of COVID-19. But the non-agricultural shocks still outweigh the impacts from agriculture by a magnitude of 3. Breaking the results down along the components, we find that the loss in FAFH expenditures is the largest contributor to the change in GDP resulting from shocks to agricultural markets and conclude that agricultural production/trade markets have been very resilient during the pandemic. Our results also indicate that our model (computable general equilibrium) does reasonably well in estimating GDP compared to actual changes due to the inclusion of data on actual demand, supply, and fiscal responses to COVID-19.

摘要

新冠疫情引发的诸多关注都集中在其对旅游业和其他服务业的影响上;但人们对一些农业和食品话题的兴趣也与日俱增,比如外出就餐(FAFH)支出的下降。我们的研究考量了外出就餐在整体经济中的重要性,同时也考量了因新冠疫情而发生的农业生产和贸易变化。我们收集了这些组成部分实际变化的数据,以及非农业部门受到的类似冲击的数据,并运用一个模拟模型来估算对国内生产总值(GDP)的影响。结果表明,新冠疫情导致的农业变化对美国整体经济的影响,比新冠疫情初期农业在经济中的占比所产生的影响更大。但非农业冲击对经济的影响仍比农业冲击大3倍。按各组成部分细分结果后,我们发现外出就餐支出的减少是农业市场冲击导致GDP变化的最大因素,并得出结论,在疫情期间农业生产/贸易市场具有很强的韧性。我们的结果还表明,与因纳入新冠疫情实际需求、供应和财政应对数据而产生的实际变化相比,我们的模型(可计算一般均衡模型)在估算GDP方面表现相当不错。

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