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Fed dairy cattle market reporting: Changing marketing methods, regional variation, and hedonic modeling 美联储奶牛市场报告:不断变化的营销方法、区域差异和享乐模型
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-07-21 DOI: 10.1017/age.2023.25
T. Schroeder, G. Tonsor, Brian K. Coffey
Fed dairy cattle represent an important and growing component of the U.S. fed cattle market. However, little is known about factors affecting fed dairy cattle transaction prices. This study analyzes confidential transaction-level data collected by United States Department of Agriculture Agricultural (USDA) Marketing Service (AMS) under Livestock Mandatory Reporting to determine how data collected for price reporting explains price variation. Hedonic models are developed to illustrate potential use to enhance fed dairy cattle price reporting. However, important price variation remains unexplained suggesting factors not available in AMS data are associated with fed dairy cattle price variation. We suggest AMS collect and utilize additional data to enhance price reporting.
饲养的奶牛是美国饲养牛市场中一个重要且不断增长的组成部分。然而,对影响饲养奶牛交易价格的因素知之甚少。本研究分析了美国农业部(USDA)营销服务部(AMS)根据牲畜强制报告收集的机密交易级别数据,以确定为价格报告收集的数据如何解释价格变化。Hedonic模型是为了说明增强饲养奶牛价格报告的潜在用途而开发的。然而,重要的价格变化仍然无法解释,这表明AMS数据中没有的因素与喂养奶牛的价格变化有关。我们建议AMS收集并利用额外的数据来加强价格报告。
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引用次数: 0
Contaminated water and the Food Safety Modernization Act 受污染的水和食品安全现代化法案
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-07-18 DOI: 10.1017/age.2023.22
Marziyeh Bahalou Horeh, L. Elbakidze, R. Garth
We develop a theoretical framework and presents a corresponding empirical analysis of the Food and Drug Administration’s irrigation water quality regulatory standard under the Food Safety Modernization Act using lettuce as a case study. We develop a stochastic price endogenous partial equilibrium model with recourse to examine the standard’s efficacy under various scenarios of foodborne illness severity, standard implementation, demand response to foodborne outbreaks, and irrigation costs. The stringency of regulation is evaluated with endogenous producer response to regulatory requirements and corresponding implications for economic surplus. The baseline results show that in the case of the lettuce market, the proposed microbial irrigation water quality regulation in the Food Safety Modernization Act (FSMA) is not cost effective relative to the existing Leafy-Greens Marketing Agreements relying on water treatment for mitigation of microbial contamination. However, FSMA can be cost effective if water treatment is sufficiently expensive.
我们以生菜为例,建立了一个理论框架,并对美国食品药品监督管理局根据《食品安全现代化法案》制定的灌溉水质监管标准进行了相应的实证分析。我们开发了一个随机价格内生部分均衡模型,以考察该标准在食源性疾病严重程度、标准实施、对食源性疫情的需求反应和灌溉成本等各种情况下的有效性。监管的严格性是通过内生生产者对监管要求的反应以及对经济盈余的相应影响来评估的。基线结果表明,就生菜市场而言,《食品安全现代化法案》(FSMA)中拟议的微生物灌溉水质监管与现有的依靠水处理来缓解微生物污染的Leafy Greens营销协议相比,并不具有成本效益。然而,如果水处理足够昂贵,FSMA可能具有成本效益。
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引用次数: 0
Trade-offs between indigenous forest and exotic production forest in New Zealand 新西兰原生森林和外来生产森林之间的权衡
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-30 DOI: 10.1017/age.2023.7
P. Walsh, T. Soliman, A. Daigneault
Abstract With its varied landscape of hills and mountains, New Zealand has an abundance of marginal land on its slopes. This land is currently used in a variety of enterprises, such as pasture and farmland. However, marginal land is typically associated with higher rates of erosion, shallow topsoil, expensive fencing, and other issues like livestock deaths from falls. There is currently interest in deploying these marginal lands to different uses to align with several environmental and production-related goals. This paper contributes to the discussion on marginal land by exploring three different scenarios related to afforestation in the Manawatu catchment area. To analyze these scenarios, we bring together several complex and spatially explicit data sets which are linked using economic modeling tools and benefits transfer methods. The combination of these tools and data sets allows us to produce several important quantitative and qualitative outputs. Where possible, quantitative predictions are monetized, allowing a benefit-cost analysis of the proposed scenarios.
摘要新西兰的丘陵和山脉景观千姿百态,山坡上有大量的边缘土地。这片土地目前被各种企业使用,如牧场和农田。然而,边缘土地通常与更高的侵蚀率、浅表层土、昂贵的围栏以及其他问题有关,如牲畜因坠落而死亡。目前,人们有兴趣将这些边缘土地用于不同的用途,以符合几个与环境和生产相关的目标。本文通过探索与马纳瓦图流域造林相关的三种不同情景,为边缘土地的讨论做出了贡献。为了分析这些场景,我们将几个复杂且空间明确的数据集结合在一起,这些数据集使用经济建模工具和利益转移方法进行链接。这些工具和数据集的结合使我们能够产生一些重要的定量和定性产出。在可能的情况下,量化预测是货币化的,允许对拟议情景进行效益成本分析。
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引用次数: 0
Intergenerational livelihood dependence on ecosystem services: A descriptive analysis of the ivory palm in coastal Ecuador – ERRATUM 代际生计对生态系统服务的依赖:厄瓜多尔沿海象牙棕榈的描述性分析-勘误
Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-27 DOI: 10.1017/age.2023.23
Jorge Salgado, Rommel Montúfar, Jacob Gehrung, Shady S. Atallah
An abstract is not available for this content. As you have access to this content, full HTML content is provided on this page. A PDF of this content is also available in through the ‘Save PDF’ action button.
此内容没有摘要。当您可以访问此内容时,该页上会提供完整的HTML内容。此内容的PDF也可以通过“保存PDF”操作按钮获得。
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引用次数: 0
Eliciting policy-relevant stated preference values for water quality: An application to New Zealand 阐明与政策相关的既定水质偏好值:在新西兰的应用
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-15 DOI: 10.1017/age.2023.20
P. Walsh, Dennis Guignet, Pamela L. Booth
Abstract Governments need tools to analyze trade-offs for freshwater policy, yet valuation estimates from the literature can be difficult to deploy in a policy setting. Obstacles to benefit transfer include (i) difficulties in scaling up local estimates, (ii) water quality attributes that cannot be linked to policy, and (iii) surveys positing large, unrealistic water quality changes. Focusing on freshwater rivers and streams in New Zealand, we develop and implement a nationwide discrete choice stated preference study aimed at future benefit transfer. The stated provision mechanism and environmental commodity being valued are specified at the regional council level, which is the administrative unit for policy implementation. The survey is administered on a national scale with three attributes – nutrients, water clarity, and E. coli levels – which were chosen to align with government policy levers and salience to the public. Estimation results demonstrate positive and significant willingness to pay values for improvements in each attribute, with magnitudes that are comparable to a recent referendum vote on a water quality tax. To illustrate the utility of our study, we apply the results to a recent policy analyzed by New Zealand’s Ministry for the Environment and estimate nationwide annual benefits of NZ $115 million ($77 million USD).
摘要政府需要工具来分析淡水政策的权衡,但文献中的估价估计可能很难在政策环境中使用。利益转移的障碍包括(i)难以扩大当地估计,(ii)无法与政策挂钩的水质属性,以及(iii)假设水质发生重大、不切实际的变化的调查。我们以新西兰的淡水河和溪流为重点,制定并实施了一项全国性的离散选择声明偏好研究,旨在实现未来的利益转移。规定的供应机制和正在估价的环境商品由地区理事会一级规定,这是政策执行的行政单位。这项调查是在全国范围内进行的,有三个属性——营养素、水质透明度和大肠杆菌水平——选择这些属性是为了与政府的政策杠杆和对公众的突出程度保持一致。估计结果表明,人们积极而显著地愿意为每个属性的改进付出代价,其幅度与最近对水质税的全民公投相当。为了说明我们研究的效用,我们将研究结果应用于新西兰环境部最近分析的一项政策,并估计全国每年的收益为1.15亿新西兰元(7700万美元)。
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引用次数: 0
Public attitudes and preferences for green rooftop technologies in the US: a choice experiment 美国公众对绿色屋顶技术的态度和偏好:一项选择实验
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-06 DOI: 10.1017/age.2023.17
Natalie Meyer, Simona Trandafir
Abstract Green rooftops, also known as vegetated roofs, will play a critical role in enhancing the resilience of urban areas in the face of climate change and other contemporary environmental and social challenges. To ensure the optimal design and implementation of these green technologies, it is vital to understand the public’s preferences, values, and attitudes toward the government support for green rooftops. This study employs contingent valuation methods, specifically utilizing a payment card and a choice experiment, to investigate these topics that have received inadequate exploration within the current body of literature. Our findings indicate that 45% of the public is aware of green rooftops, and the most desired features on an extensive green rooftop, ranked by importance, are: flowers, grass, trees, and walking paths. The majority (79%) of the public supports a federally proposed legislation currently under review (the Public School Green Rooftop Program) and has a mean willingness to pay of approximately $176 per household as a one-time payment. Additionally, the results show that individuals place a higher value on green rooftops that incorporate solar energy technology compared to those without. Furthermore, there is a perceived, loss of value when access to a green rooftop is limited, as opposed to having open access.
摘要绿色屋顶,也称为植被屋顶,将在增强城市地区应对气候变化和其他当代环境和社会挑战的能力方面发挥关键作用。为了确保这些绿色技术的最佳设计和实施,了解公众对政府支持绿色屋顶的偏好、价值观和态度至关重要。本研究采用了偶然估价方法,特别是使用支付卡和选择实验,来调查这些在现有文献中未得到充分探索的主题。我们的研究结果表明,45%的公众知道绿色屋顶,而在一个大面积的绿色屋顶上,按重要性排序,最想要的特征是:花、草、树和步行道。大多数(79%)公众支持目前正在审查中的联邦拟议立法(公立学校绿色屋顶计划),并平均愿意为每个家庭一次性支付约176美元。此外,研究结果表明,与没有太阳能技术的人相比,个人对采用太阳能技术的绿色屋顶的重视程度更高。此外,与开放式屋顶相比,当绿色屋顶的使用受到限制时,会出现价值损失。
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引用次数: 1
Intergenerational livelihood dependence on ecosystem services: A descriptive analysis of the ivory palm in coastal Ecuador 对生态系统服务的代际生计依赖:厄瓜多尔沿海象牙棕榈的描述性分析
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-05 DOI: 10.1017/age.2023.21
J. Salgado, R. Montúfar, Jacob Gehrung, S. Atallah
Abstract Research on ecosystem services (ES) is heavily concentrated on ecological and economic indicators and values, with a much more limited understanding of communities’ dependence on cultural ES. That body of research is also typically focused on current generations and generates limited insights into the intergenerational dynamics of ES dependence. We use a survey of six palm harvesting communities in coastal western Ecuador to assess the livelihood dependence of four generations on 17 ES provided by the ivory palm, a near-threatened keystone species in Ecuador, Colombia, and Panama. Despite the historical prominence of the use of the ivory palm’s nut, we find that dependence is highest for regulating, supporting, and cultural ES, a result that holds across generations. We find a negative association between the current generation’s dependence on the ivory palm’s provisioning ES and that of their grandparents, who experienced the historical boom of the ivory palm’s nut exports. In contrast, respondents expect the future generation’s dependence to be positively associated with that of the grandparents’ generation. We find that provisioning ES have a complementary relationship with cultural ES and a substitutive relationship with supporting ES. Relationships across ES categories can be reversed from one generation to the next.
生态系统服务(ES)的研究主要集中在生态和经济指标和价值上,而对群落对文化ES的依赖的理解则非常有限。该研究也通常集中在当代人身上,对ES依赖的代际动态的见解有限。我们对厄瓜多尔西部沿海的六个棕榈采收社区进行了调查,以评估四代人对象牙棕榈提供的17种ES的生计依赖。象牙棕榈是厄瓜多尔、哥伦比亚和巴拿马的一种濒临灭绝的关键物种。尽管象牙棕榈坚果的使用在历史上占有突出地位,但我们发现,对调节、支持和文化ES的依赖程度最高,这一结果跨越了几代人。我们发现当代人对象牙棕榈供应ES的依赖与他们的祖父母之间存在负相关关系,他们的祖父母经历了象牙棕榈坚果出口的历史繁荣。相比之下,受访者认为下一代的依赖程度与祖父母一代呈正相关。研究发现,供给型社会服务与文化型社会服务存在互补关系,与支持性社会服务存在替代关系。跨ES类别的关系可以从一代到下一代颠倒过来。
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引用次数: 1
Towards equity in land protection 实现土地保护公平
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-05 DOI: 10.1017/age.2023.18
Katharine R. E. Sims
Land protection not only supports vital ecosystem services but also poses important challenges for social equity. Three key concerns emerge from economic frameworks about land protection policies: potential lost local economic development, reinforcement of existing structural inequalities, and disparities in access to the benefits of protected land. This article reviews evidence for each concern and identifies research needs as well as potential improvements in policy that could better support equity goals. Pathways forward towards greater equity include specific mechanisms that can ensure local communities benefit from land protection, attention to issues of spatial impacts and timing, explicit prioritization of equity in land protection initiatives, and community-centred processes. Economists have and can continue to play a role in strengthening these dimensions of land protection policies.
土地保护不仅支持重要的生态系统服务,而且对社会公平提出了重要挑战。关于土地保护政策的经济框架中出现了三个关键问题:潜在的地方经济发展损失、现有结构性不平等的加剧以及获得受保护土地利益的差距。本文回顾了每一个关注点的证据,并确定了研究需求以及可以更好地支持公平目标的政策方面的潜在改进。实现更大公平的途径包括确保当地社区从土地保护中受益的具体机制、对空间影响和时间问题的关注、土地保护举措中公平的明确优先次序以及以社区为中心的进程。经济学家已经并可以继续在加强土地保护政策的这些方面发挥作用。
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引用次数: 0
The financial implications of specialization, diversification, or alternative enterprises on small farms: Evidence from Tennessee 小型农场专业化、多样化或替代企业的财务影响:来自田纳西州的证据
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-05-23 DOI: 10.1017/age.2023.19
A. Khanal, Renu Ojha
In response to survival challenges, small farms in the United States undertake decisions to minimize downside risk or maximize gross revenue. Using primary survey data of small farms in Tennessee, we examined farmers’ strategic decisions on specialization or other forms of diversification and estimated the impacts of these decisions on farm financial performance. We found that farmer’s age, farmland holdings, use of a smartphone in farm-related activities, and off-farm work significantly influenced these strategic decisions. Our multinomial endogenous switching regression estimates suggested that small farms could attain significantly higher performance, around 45% higher gross farm income and a 30% higher return on assets, by adding alternative on-farm enterprises.
为了应对生存挑战,美国的小型农场做出决定,最大限度地降低下行风险或最大限度地增加总收入。利用田纳西州小型农场的初步调查数据,我们研究了农民在专业化或其他形式多样化方面的战略决策,并估计了这些决策对农场财务绩效的影响。我们发现,农民的年龄、持有的农田、在农场相关活动中使用智能手机以及非农场工作都会对这些战略决策产生重大影响。我们的多项内生转换回归估计表明,通过增加替代农场企业,小型农场可以获得显著更高的绩效,农场总收入提高约45%,资产回报率提高30%。
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引用次数: 0
Citrus growers’ willingness to pay and perceptions of cover crops 柑橘种植者的支付意愿和对覆盖作物的看法
IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-05-10 DOI: 10.1017/age.2023.15
Carter Cosgray, Shourish Chakravarty, T. Wade, Zhifeng Gao
This study develops and uses a survey to gather information on demographics, production and management practices, and perceptions on using cover crops as a conservation practice from citrus growers and utilizes the double-bounded dichotomous choice contingent valuation method to measure their willingness to pay (WTP) for adopting cover crops in citrus production. The survey is conducted for citrus producers in Florida and Texas. The study finds that, on average, growers from Florida are willing to pay $509.48/acre per year for adopting cover crops. This is substantially less than the WTP for growers in Texas, who are willing to pay more than $1,000/acre per year for cover crops. The study analyzes the factors that have significant impacts on growers’ WTP for cover crops and discusses the heterogeneity in the grower perceptions on the benefits and drawbacks of using this conservation practice by state. Although using cover crops has not been a popular conservation practice in perennial fruit production systems, its potential to improve soil quality is particularly important for citrus production in Florida where soils are sandy and have low organic matter.
本研究通过调查收集了柑橘种植者的人口统计、生产和管理实践以及对使用覆盖作物作为保护措施的看法等方面的信息,并利用双界二分类选择条件估值法来衡量他们在柑橘生产中采用覆盖作物的支付意愿。这项调查是针对佛罗里达州和德克萨斯州的柑橘生产商进行的。研究发现,佛罗里达州的种植者平均每年愿意为每英亩种植覆盖作物支付509.48美元。这大大低于德克萨斯州种植者的WTP,他们愿意每年为覆盖作物支付1000美元以上。本研究分析了影响覆盖作物WTP的主要因素,并讨论了各州种植者对使用这种保护措施的利弊看法的异质性。尽管在多年生水果生产系统中使用覆盖作物并不是一种普遍的保护做法,但它对改善土壤质量的潜力对佛罗里达州的柑橘生产尤其重要,那里的土壤是沙质的,有机质含量低。
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引用次数: 0
期刊
Agricultural and Resource Economics Review
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