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饥饿救助:一项关于新冠疫情期间补充营养援助计划额外福利的自然实验。

Hunger relief: A natural experiment from additional SNAP benefits during the COVID-19 pandemic.

作者信息

Bryant Andrew, Follett Lendie

机构信息

Department of Marketing, Drake University, 2507 University Ave, Des Moines, IA 50311, United States.

Department of Information Management and Business Analytics, Drake University, 2507 University Ave, Des Moines, IA 50311, United States.

出版信息

Lancet Reg Health Am. 2022 Jun;10:100224. doi: 10.1016/j.lana.2022.100224. Epub 2022 Mar 8.

Abstract

BACKGROUND

COVID-19 has directly affected millions of people. Others have been indirectly affected; for example, there has been a startling increase in hunger brought about by the pandemic. Many countries have sought to relieve this problem through public policy. This research examines the effectiveness of enhanced Supplemental Nutrition Assistance Program (SNAP) benefits in the U.S. to alleviate hunger.

METHODS

Using a biweekly cross-sectional survey and corresponding population weights from the U.S. Census Bureau, we estimate the effects of enhanced SNAP benefits on hunger in the U.S. as measured by food insufficiency. We use a Bayesian structural time series analysis to predict counterfactual values of food insufficiency. We supplement these findings by examining the effect of enhanced SNAP benefits on observed visits to a food pantry network in a midsized U.S. city.

FINDINGS

Our primary finding estimates that nationwide a total 850,000 (95% credible interval 0·24-1·46 million) instances of food insufficiency were prevented per week by the 15 percent increase in SNAP benefits enacted in January 2021. Secondarily, we find similar effects associated with SNAP benefit increases and local food pantry visits. Specifically, enhanced SNAP benefits resulted in fewer visits to the food pantry network than were predicted in the counterfactual model.

INTERPRETATION

These results not only indicate that the policies enacted to mitigate hunger caused by the COVID-19 pandemic helped, but also quantifies how much these benefits helped on a national scale. As a result, policymakers can use this data to benchmark future policy actions at scale.

FUNDING

None.

摘要

背景

新冠疫情直接影响了数百万人。其他人则受到了间接影响;例如,疫情导致饥饿现象急剧增加。许多国家试图通过公共政策来缓解这一问题。本研究考察了美国补充营养援助计划(SNAP)提高福利对缓解饥饿的有效性。

方法

我们使用双周横断面调查以及美国人口普查局相应的人口权重,以食物匮乏衡量美国补充营养援助计划提高福利对饥饿的影响。我们使用贝叶斯结构时间序列分析来预测食物匮乏的反事实值。我们通过考察补充营养援助计划提高福利对美国一个中等城市食品救济站网络实际访问量的影响来补充这些发现。

研究结果

我们的主要发现估计,2021年1月补充营养援助计划福利提高15%,在全国范围内每周总共预防了850,000例(95%可信区间为240,000 - 146万例)食物匮乏情况。其次,我们发现补充营养援助计划福利增加与当地食品救济站访问量之间存在类似影响。具体而言,补充营养援助计划提高福利导致食品救济站网络的访问量低于反事实模型中的预测值。

解读

这些结果不仅表明为缓解新冠疫情导致的饥饿而制定的政策起到了作用,还量化了这些福利在全国范围内的帮助程度。因此,政策制定者可以利用这些数据来为未来大规模的政策行动设定基准。

资金来源

无。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf1/9903621/f8b824d81f7e/gr1.jpg

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