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Food Insecurity in the United States: Measurement, Economic Modeling, and Food Assistance Effectiveness 美国的粮食不安全:测量、经济模型和粮食援助的有效性
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-12 DOI: 10.1146/annurev-resource-101422-090409
Travis A. Smith, Christian A. Gregory
We first discuss the genesis and development of the Food Security Module in the United States. We then present a conceptual model of food insecurity, drawing on consumer choice theory. The model shows how food insecurity exhibits a quality–quantity trade-off and has linkages to policy levers. Next, we present new stylized facts pertaining to food consumption for those who report food insecurity versus those who do not. Adults residing in food-insecure households consume lower-quality diets across the entire distribution of diet quality and experience more volatility in caloric intake. Males younger than 20 years in food-insecure households exhibit no differences in diet quality but consume fewer calories, while the opposite is true for younger females. We review the literature pertaining to the effects of federal food assistance programs on food insecurity. The Supplemental Nutrition Assistance Program tends to reduce household food insecurity, while having little to no effect on nutritional quality. Federal programs pertaining to children (i.e., the school food programs and the Special Supplemental Nutrition Program for Women, Infants, and Children) tend to reduce food insecurity while also increasing the nutritional quality of children's diet. Expected final online publication date for the Annual Review of Resource Economics, Volume 15 is October 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
我们首先讨论美国食品安全模块的起源和发展。然后,我们提出了粮食不安全的概念模型,借鉴消费者选择理论。该模型显示了粮食不安全如何表现出质量与数量之间的权衡关系,并与政策杠杆存在关联。接下来,我们为那些报告粮食不安全的人与那些没有报告粮食不安全的人提供有关粮食消费的新风格化事实。在整个膳食质量分布中,生活在粮食不安全家庭的成年人所食用的膳食质量较低,热量摄入的波动性更大。在粮食不安全家庭中,20岁以下的男性在饮食质量上没有差异,但摄入的卡路里较少,而年轻女性则相反。我们回顾了有关联邦食品援助计划对食品不安全影响的文献。补充营养援助计划倾向于减少家庭粮食不安全,而对营养质量几乎没有影响。与儿童有关的联邦计划(即学校食品计划和妇女、婴儿和儿童特别补充营养计划)倾向于减少粮食不安全,同时也提高儿童饮食的营养质量。《资源经济学年度评论》第15卷的最终在线出版日期预计为2023年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 3
Inferential and Behavioral Implications of Measurement Error in Agricultural Data 农业数据测量误差的推论和行为意义
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-07 DOI: 10.1146/annurev-resource-101422-090049
K. Abay, T. Wossen, G. Abate, James Stevenson, H. Michelson, C. Barrett
An evolving literature evaluates the inferential and behavioral implications of measurement error (ME) in agricultural data. We synthesize findings on the nature and sources of ME and potential remedies. We provide practical guidance for choosing among alternative approaches for detecting, obviating, or correcting for alternative sources of ME, as these have different behavioral and inferential implications. Some ME biases statistical inference and thus may require econometric correction. Other types of ME may affect (and shed light on) farmers’ decision-making processes even if farmers’ responses are objectively incorrect. Where feasible, collecting both self-reported and objectively measured data for the same variable may enrich understanding of policy-relevant agricultural and behavioral phenomena. Expected final online publication date for the Annual Review of Resource Economics, Volume 15 is October 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
不断发展的文献评估了农业数据测量误差(ME)的推论和行为影响。我们综合研究结果的性质和来源的ME和潜在的补救措施。我们为在检测、排除或纠正替代ME来源的替代方法中进行选择提供实用指导,因为这些方法具有不同的行为和推论含义。一些ME偏向统计推断,因此可能需要计量经济学校正。其他类型的ME可能会影响(并揭示)农民的决策过程,即使农民的反应客观上是不正确的。在可行的情况下,收集同一变量的自我报告和客观测量数据可以丰富对与政策相关的农业和行为现象的理解。《资源经济学年度评论》第15卷的最终在线出版日期预计为2023年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 6
Heterogeneous Effects of Obesity on Life Expectancy: A Global Perspective 肥胖对预期寿命的异质性影响:全球视角
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-07 DOI: 10.1146/annurev-resource-022823-033521
S. Bansal, Yanhong Jin
Based on an extensive literature review and publicly available data, this article provides insights into the differences in prevalence, sociodemographics, contributing factors, socioeconomic consequences, health effects, and public policies related to obesity between developed and developing countries. Most importantly, it explores the relationship between obesity and life expectancy and identifies potential mechanisms through which obesity affects mortality, highlighting the differences between developed and developing countries and by gender. It also examines how the associations between obesity and life expectancy differ at the population level compared with the individual level. The evidence shows a negative association between obesity and longevity, as well as an increased risk of various diseases with the rising rates of obesity. The findings contribute to a better understanding of the heterogenous effects of obesity on life expectancy between developed and developing countries and by gender. The article also discusses the effectiveness of various policies adopted to address obesity and provides suggestions to address obesity problems and improve health and well-being in these countries. Expected final online publication date for the Annual Review of Resource Economics, Volume 15 is October 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
基于广泛的文献综述和公开可用的数据,本文提供了发达国家和发展中国家之间与肥胖相关的患病率、社会人口统计学、影响因素、社会经济后果、健康影响和公共政策差异的见解。最重要的是,它探讨了肥胖与预期寿命之间的关系,并确定了肥胖影响死亡率的潜在机制,突出了发达国家和发展中国家之间以及性别之间的差异。它还研究了肥胖与预期寿命之间的关系在群体水平与个人水平上的差异。有证据表明,肥胖与寿命之间存在负相关关系,而且随着肥胖率的上升,各种疾病的风险也会增加。这些发现有助于更好地理解肥胖对发达国家和发展中国家以及性别之间预期寿命的异质性影响。文章还讨论了解决肥胖问题所采取的各种政策的有效性,并提供了解决肥胖问题和改善这些国家的健康和福祉的建议。《资源经济学年度评论》第15卷的最终在线出版日期预计为2023年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 1
Economics of Ecosystem Restoration 生态系统恢复经济学
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-05-30 DOI: 10.1146/annurev-resource-101422-085414
A. Mirzabaev, David Wuepper
Restoration of degraded ecosystems is essential for having a stable climate, reducing weather extremes and disease burden, producing enough food to feed growing populations, and generally keeping the world livable. However, we are currently rapidly degrading ecosystems worldwide, thus destroying the very basis of life. There is a major gap between what investments are needed to restore degraded ecosystems and prevent further degradation and what is actually being invested. In addition, most governments are still learning how to design and implement ecosystem restoration policies that are effective and efficient. Ecosystem restoration should be among our main scientific endeavors. This review fills a critical gap in the existing literature by providing a theory-informed understanding of the findings emerging from this highly policy-relevant strand of resource economics. The article also suggests key areas for future research. Expected final online publication date for the Annual Review of Resource Economics, Volume 15 is October 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
恢复退化的生态系统对于保持气候稳定、减少极端天气和疾病负担、生产足够的粮食养活不断增长的人口以及总体上保持世界宜居至关重要。然而,我们目前正在全球范围内迅速退化生态系统,从而破坏了生命的基础。恢复退化的生态系统和防止进一步退化所需的投资与实际投资之间存在重大差距。此外,大多数政府仍在学习如何设计和实施有效和高效的生态系统恢复政策。生态系统恢复应成为科学研究的重点。这篇综述填补了现有文献中的一个关键空白,它从理论上了解了资源经济学这一与政策高度相关的领域的研究结果。文章还提出了未来研究的重点领域。《资源经济学年度评论》第15卷的最终在线出版日期预计为2023年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 2
Food Fraud: Causes, Consequences, and Deterrence Strategies 食品欺诈:原因、后果和威慑策略
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-05-17 DOI: 10.1146/annurev-resource-101422-013027
K. Giannakas, A. Yiannaka
Food fraud represents a serious threat to the integrity of the global agri-food marketing system and has received considerable attention by policy makers, academics, and the public at large. This review presents the conditions that enable fraudulent activity in agri-food supply chains (such as asymmetric information, imperfect certification processes, supply chain complexity, and weak monitoring and enforcement systems) and discusses recent efforts to document and deter food fraud and the growing theoretical and empirical literature on the economics of food fraud. The article concludes by identifying some gaps in the literature and provides suggestions for future research. Expected final online publication date for the Annual Review of Resource Economics, Volume 15 is October 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
食品欺诈是对全球农业食品营销体系完整性的严重威胁,已受到政策制定者、学术界和广大公众的广泛关注。本综述介绍了导致农业食品供应链中欺诈活动的条件(如信息不对称、认证过程不完善、供应链复杂性以及薄弱的监测和执法系统),并讨论了最近为记录和阻止食品欺诈所做的努力,以及关于食品欺诈经济学的越来越多的理论和实证文献。文章最后指出了文献中的一些空白,并对未来的研究提出了建议。《资源经济学年度评论》第15卷的最终在线出版日期预计为2023年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 5
Slow Magic: Agricultural Versus Industrial R&D Lag Models 慢魔法:农业与工业研发滞后模型
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-05-17 DOI: 10.1146/annurev-resource-111820-034312
J. Alston, P. Pardey, D. Serfas, Shanchao Wang
R&D is slow magic. It takes many years before research investments begin to affect productivity, but then they can affect productivity for a long time. Many economists get this wrong. Here, we revisit the conceptual foundations for R&D lag models used to represent the temporal links between research investments and impact, review prevalent practice, and document and discuss a range of evidence on R&D lags in agriculture and other industries. Our theory and evidence consistently support the use of longer lags with a different overall lag profile than is typically imposed in studies of industrial R&D and government compilations of R&D knowledge stocks. Many studies systematically fail to recognize the many years of investment and effort typically required to create a new technology and bring it to market and the subsequent years as the technology is diffused and adopted. Consequential distortions in the measures and economic understanding are implied. Expected final online publication date for the Annual Review of Resource Economics, Volume 15 is October 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
研发是缓慢的魔术。在研究投资开始影响生产力之前,需要很多年的时间,但它们可以长期影响生产力。许多经济学家都错了。在此,我们回顾了研发滞后模型的概念基础,该模型用于表示研究投资与影响之间的时间联系,回顾了普遍的实践,并记录和讨论了农业和其他行业研发滞后的一系列证据。我们的理论和证据一致地支持使用较长的滞后,其总体滞后概况与工业研发研究和政府研发知识储备汇编中通常施加的滞后不同。许多研究系统地没有认识到创造一项新技术并将其推向市场通常需要多年的投资和努力,以及随着技术的传播和采用,随后的几年。由此隐含了对措施和经济理解的相应扭曲。《资源经济学年度评论》第15卷的最终在线出版日期预计为2023年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 0
Social protection and rural transformation in Africa 非洲的社会保护和农村转型
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-03-30 DOI: 10.4060/cc5112en
J. Correa, S. Daidone, B. Davis, N. Sitko
This article develops a conceptual framework on pathways through which noncontributory social protection can support resilient and inclusive agricultural growth in rural Africa. It draws insights from a review of rigorous empirical evidence on the impacts of cash transfers and multifaceted cash plus programs on a range of relevant productive outcomes, including accumulation of productive assets, inputs and farm management practices, off-farm labor and nonfarm enterprises, and farm production and income. This review demonstrates an emerging consensus in the literature: that access to social protection programs contributes positively to increasing the productive asset holdings of rural people, increasing the use of improved inputs and farm practices, and shifting away from casual wage labor arrangements. Moreover, there is limited evidence on heterogeneous effects across different baseline characteristics (income, sex, and labor-constrained households, among others). Finally, the article highlights how social protection programs should be considered an integral part of broader rural and agricultural development strategies in order to achieve a more productive, resilient, and equitable rural transformation in rural Africa. Expected final online publication date for the Annual Review of Resource Economics, Volume 15 is October 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
本文提出了一个概念性框架,阐述了非缴费型社会保护支持非洲农村地区有韧性和包容性农业增长的途径。报告通过对现金转移支付和多方面现金+计划对一系列相关生产成果(包括生产性资产积累、投入物和农场管理实践、非农劳动力和非农企业以及农场生产和收入)影响的严格实证证据进行审查,得出了深刻见解。这篇综述表明了文献中一个正在形成的共识:获得社会保护计划有助于增加农村人口的生产性资产持有量,增加对改良投入品和农业实践的使用,并从临时雇佣劳动安排中转移。此外,关于不同基线特征(收入、性别和劳动力受限家庭等)的异质性影响的证据有限。最后,本文强调了如何将社会保护计划视为更广泛的农村和农业发展战略的组成部分,以便在非洲农村实现更高效、更有弹性和更公平的农村转型。《资源经济学年度评论》第15卷的最终在线出版日期预计为2023年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 0
Resource Economics and Modern Science to the Rescue 资源经济学与现代科学的救星
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2022-10-05 DOI: 10.1146/annurev-re-14-072722-100001
G. Rausser, D. Zilberman
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引用次数: 3
Methodological Advances in Food Choice Experiments and Modeling: Current Practices, Challenges, and Future Research Directions 食物选择实验和建模的方法学进展:当前实践、挑战和未来研究方向
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2022-10-05 DOI: 10.1146/annurev-resource-111820-023242
Vincenzina Caputo, R. Scarpa
In recent decades, discrete choice experiment research applied to food choices has grown rapidly. Empirical applications include investigations of consumer preferences and demand for various food attributes, labeling programs, novel products and applications, and new food technologies. Methodological contributions include advances in the form of new theories, elicitation methods, and modeling. This study focuses on the latter and ( a) reviews recent methodological contributions in the food choice experiment literature, ( b) examines existing knowledge gaps, and ( c) discusses possible future research directions.
近几十年来,应用于食物选择的离散选择实验研究发展迅速。实证应用包括调查消费者对各种食品属性的偏好和需求,标签计划,新产品和应用,以及新的食品技术。方法论上的贡献包括新理论、启发方法和建模方面的进步。本研究的重点是后者,并(a)回顾了最近在食物选择实验文献中的方法学贡献,(b)检查了现有的知识空白,(c)讨论了可能的未来研究方向。
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引用次数: 15
The Future, Now: A Review of Social Discounting 未来,现在:对社会折扣的回顾
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2022-07-14 DOI: 10.1146/annurev-resource-111920-020721
Ben Groom, Moritz A. Drupp, Mark C. Freeman, Frikk Nesje
Governments across the world are coming under increasing pressure to invest heavily in projects that have maturities of decades or even centuries. Key areas of concern include climate change mitigation, environmental and biodiversity protection, nuclear decommissioning, enhancing infrastructure and coastal defenses, and long-term health care management. Whether such projects are evaluated as being economically justifiable depends on the social discount rate (SDR) that the government deploys. This variable converts the future costs and benefits of public policy into their value today, thereby facilitating the comparison of social investments with different maturities. Critically, the result of such analysis is extremely sensitive to small changes in the choice of the SDR, yet policy guidelines differ widely across countries and international institutions. In this article, we provide a review of the academic literature on long-term SDRs, with particular emphasis on how these insights have been integrated into governmental guidance. Expected final online publication date for the Annual Review of Resource Economics, Volume 14 is October 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
世界各国政府正面临越来越大的压力,要求它们大举投资于期限长达数十年甚至数百年的项目。主要关切领域包括减缓气候变化、环境和生物多样性保护、核退役、加强基础设施和海岸防御以及长期保健管理。这些项目是否具有经济合理性取决于政府使用的社会贴现率(SDR)。这一变量将公共政策的未来成本和收益转换为其今天的价值,从而便于对不同期限的社会投资进行比较。至关重要的是,这种分析的结果对特别提款权选择的微小变化极为敏感,但各国和国际机构的政策指导方针差异很大。在本文中,我们对长期特别提款权的学术文献进行了回顾,特别强调了这些见解是如何融入政府指导的。《资源经济学年度评论》第14卷的最终在线出版日期预计为2022年10月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 19
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Annual Review of Resource Economics
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