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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
The Economics of Wildlife Trade and Consumption 野生动物贸易与消费经济学
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2022-06-29 DOI: 10.1146/annurev-resource-111920-010503
R. Prasad, G. Rausser, D. Zilberman
The global wildlife trade dates to antiquity. Recently, its harms to endangered species, animal welfare, and public health have become critical to address. The complexities of the wildlife trade are numerous, including the fact that much of the economic activity is illegal and unobserved. We find that wildlife products are used for sustenance, signaling status, medicine, and entertainment. There is vast heterogeneity in products and species traded. Supply chains extend from biodiverse, low-income regions to richer countries or urban centers. Empirically, we use data findings from the literature to rank countries in terms of intensity of the wildlife trade and identify factors that contribute to wildlife trade. We also identify supply-side and demand-side interventions that can control abuse in wildlife trade. Innovative techniques for observation, econometric analysis, and enforcement are sorely needed to support effective policies to preserve the world's wildlife. 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.
全球野生动物贸易可以追溯到古代。最近,它对濒危物种、动物福利和公众健康的危害已成为亟待解决的问题。野生动物贸易的复杂性是多方面的,包括许多经济活动是非法的和未被观察到的。我们发现野生动物产品被用于维持生计、传递身份信息、医药和娱乐。交易的产品和物种存在巨大的异质性。供应链从生物多样性的低收入地区延伸到较富裕的国家或城市中心。从经验上看,我们利用文献中的数据发现对各国的野生动物贸易强度进行了排名,并确定了促进野生动物贸易的因素。我们还确定了可以控制野生动物贸易滥用的供应方和需求方干预措施。为了支持保护世界野生动物的有效政策,迫切需要创新的观察、计量经济分析和执法技术。《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: 1
The Economic Impacts of Walmart Supercenters 沃尔玛超级中心的经济影响
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2022-06-29 DOI: 10.1146/annurev-resource-111820-032827
R. Volpe, M. Boland
Our purpose is to review the economic impacts of Walmart's disruption of the food retailing industry. This review synthesizes the extant knowledge and research findings related to the economic impacts of Walmart's entry into, and subsequent domination of, food retailing in the United States and more broadly globally. The findings suggest five broad generalizations: ( a) Walmart's physical growth in the United States has slowed considerably, but the company is growing rapidly in terms of total assets, digital capabilities, international presence, and sales per square foot; ( b) Walmart's entry and presence are associated with lower food prices for households; ( c) Walmart has considerable negative impacts on large competitors, particularly supermarkets, but the evidence for Walmart's deleterious impacts on small businesses is limited; ( d) there is no consensus on the impact of Walmart on local employment, but most studies on the topic point to a modest increase in retail employment; and ( e) Walmart likely increases food access but does not improve dietary quality. 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.
我们的目的是回顾沃尔玛对食品零售业的破坏所带来的经济影响。这篇综述综合了现有的知识和研究成果,涉及沃尔玛进入的经济影响,并随后主导,食品零售在美国和更广泛的全球范围内。调查结果提出了五大结论:(a)沃尔玛在美国的实体增长大幅放缓,但在总资产、数字能力、国际影响力和每平方英尺销售额方面,该公司增长迅速;(b)沃尔玛的进入和存在与较低的家庭食品价格有关;(c)沃尔玛对大型竞争对手,特别是超市有相当大的负面影响,但沃尔玛对小企业有害影响的证据有限;(d)关于沃尔玛对当地就业的影响没有达成共识,但大多数关于这一主题的研究都指出零售业就业适度增加;(e)沃尔玛可能增加了食品供应,但没有改善饮食质量。《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: 3
Environmental Policies Benefit Economic Development: Implications of Economic Geography 环境政策有利于经济发展:经济地理学的启示
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2022-06-29 DOI: 10.1146/annurev-resource-111920-022804
Seth Morgan, A. Pfaff, J. Wolfersberger
For over a century, starting with the work of Alfred Marshall (and also in resource economics), economic geography has emphasized the productivity of dense urban agglomerations. Yet little attention is paid to one key policy implication of economic geography's core mechanisms: Environmental policies can aid economic development, per se—not hurting the economy to help the environment but advancing both objectives. We review mechanisms from economic geography that imply that environmental policies can deliver such win-wins: influences upon agglomeration of long-standing natural conditions, like usable bays, which long were perceived as fixed yet now are being shifted by global environmental quality; agglomeration's effects on other influential conditions, like urban environmental quality; and the effects of rural environmental quality on the flows to cities of people and environmental quality. Finally, we consider a geographic policy typology in asking why society leaves money on the table by failing to promote environmental policies despite the potential win-wins that we highlight. 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.
一个多世纪以来,从阿尔弗雷德·马歇尔(Alfred Marshall)(以及资源经济学)的研究开始,经济地理学一直强调密集城市群的生产力。然而,很少有人关注经济地理学核心机制的一个关键政策含义:环境政策本身可以帮助经济发展,而不是损害经济来帮助环境,而是促进两个目标的实现。我们回顾了经济地理学的机制,这些机制表明环境政策可以实现这样的双赢:对长期存在的自然条件(如可用的海湾)集聚的影响,这些自然条件长期被认为是固定的,但现在正被全球环境质量所改变;集聚对城市环境质量等其他影响条件的影响;以及农村环境质量对城市人口流动和环境质量的影响。最后,我们考虑地理政策类型,询问为什么社会不推动环境政策而把钱留在桌面上,尽管我们强调了潜在的双赢。《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: 2
This Is Air: The “Nonhealth” Effects of Air Pollution 这是空气:空气污染的“非健康”影响
IF 5.8 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2022-06-28 DOI: 10.1146/annurev-resource-111820-021816
Sandra Aguilar-Gomez, Holt Dwyer, J. Zivin, Matthew Neidell
A robust body of evidence shows that air pollution exposure is detrimental to health outcomes, often measured as deaths and hospitalizations. This literature has focused less on subclinical channels that nonetheless impact behavior, performance, and skills. This article reviews the economic research investigating the causal effects of pollution on nonhealth end points, including labor productivity, cognitive performance, and multiple forms of decision-making. Subclinical effects of pollution can be more challenging to observe than formal health care encounters but may be more pervasive if they affect otherwise healthy people. The wide variety of possible impacts of pollution should be informed by plausible mechanisms and require appropriate hypothesis testing to limit false discovery. Finally, any detected effects of pollution, in both the short and long run, may be dampened by costly efforts to avoid exposure ex ante and remediate its impacts ex post; these costs must be considered for a full welfare analysis. 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.
大量证据表明,接触空气污染对健康有害,通常以死亡和住院来衡量。这些文献较少关注影响行为、表现和技能的亚临床渠道。本文回顾了调查污染对非健康终点的因果影响的经济研究,包括劳动生产率、认知表现和多种形式的决策。污染的亚临床效应可能比正式的医疗护理更难以观察,但如果它们影响到健康的人,可能会更加普遍。污染可能产生的各种各样的影响应该有合理的机制,并需要适当的假设检验,以限制错误的发现。最后,任何已发现的污染的短期和长期影响,都可以通过事前避免接触和事后补救其影响的昂贵努力加以抑制;在进行全面的福利分析时,必须考虑到这些成本。《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: 16
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Annual Review of Resource Economics
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