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Correction to: Farmers’ acceptance of the income stabilisation tool: a discrete choice experiment application 修正:农民对收入稳定工具的接受程度:一个离散选择实验应用
2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-09-12 DOI: 10.1093/erae/jbad030
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引用次数: 0
Comparison of conservation instruments under long-run yield uncertainty and farmer risk aversion 长期产量不确定性和农民风险规避下的保护性措施比较
2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-09-06 DOI: 10.1093/erae/jbad029
Meilin Ma, Carson Reeling, Megan N Hughes, Shalamar Armstrong, Richard Roth
Abstract Consumers and policymakers are increasingly concerned with environmental sustainability in food production. Yet rates of adoption of many conservation practices vary and are generally low. Existing instruments for practice adoption increase farmers’ expected net benefits from sustainable practices but do not manage associated risks which may be critical to risk-averse farmers. We build a model to characterize practice adoption by risk-averse farmers given practice-driven, long-run yield dynamics under various instruments, including price premiums, lump-sum subsidies and green insurance. We find rich scale and compositional effects that differ across instruments and that green insurance is significantly more cost-effective under plausible conditions.
消费者和决策者越来越关注食品生产中的环境可持续性。然而,许多保护措施的采用率各不相同,而且普遍较低。采用实践的现有工具增加了农民从可持续实践中获得的预期净收益,但没有管理相关风险,这对风险厌恶的农民来说可能至关重要。我们建立了一个模型来描述风险厌恶的农民在各种工具下采用实践驱动的长期产量动态,包括价格溢价、一次性补贴和绿色保险。我们发现,不同工具之间存在着丰富的规模效应和构成效应,在合理的条件下,绿色保险的成本效益显著提高。
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引用次数: 0
Building twenty-first century agricultural research and extension capacity in Africa 建设非洲21世纪农业研究和推广能力
2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-08-29 DOI: 10.1093/erae/jbad028
T. S Jayne, Shamie Zingore, Amadou Ibra Niang, Cheryl Palm, Pedro Sanchez
Abstract This study explores the effectiveness of international efforts to build the capacities of national agricultural research and extension systems (NARES) in Africa and proposes actions to improve the performance of these systems. Analysis draws on agricultural research expenditure data in Africa, Asia and Latin America and key informant interviews of 26 senior representatives of international and African research organisations. We conclude that donors and international partners have increased the supply of professional African scientists while contributing relatively little to the institutional capacities of African NARES. We propose a transition to what we call a twenty-first century African-led agricultural research system and identify actions to manifest it.
摘要本研究探讨了国际社会为非洲国家农业研究与推广系统(NARES)能力建设所做努力的有效性,并提出了改善这些系统性能的行动建议。分析利用了非洲、亚洲和拉丁美洲的农业研究支出数据,以及对26名国际和非洲研究组织高级代表的关键线人的采访。我们的结论是,捐助者和国际合作伙伴增加了非洲专业科学家的供应,而对非洲NARES的机构能力贡献相对较少。我们建议向我们所谓的21世纪非洲主导的农业研究体系过渡,并确定了实现这一转变的行动。
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引用次数: 0
Paying for animal welfare labelling no matter what? A discrete choice experiment 无论如何都要为动物福利标签买单?离散选择实验
IF 3.4 2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-08-21 DOI: 10.1093/erae/jbad027
Henrike Schwickert
Animal welfare is a credence attribute with public good characteristics. Using a discrete choice experiment, consumers’ willingness to pay (WTP) for a concretely planned state animal welfare label is derived and compared by product group (fresh vs. processed meat) and tax scenario (no tax vs. additional animal welfare tax included in price). Consumers have a positive WTP for the state label. However, label WTP is significantly lower for processed than for fresh meat. An additional tax does not impact label WTP on average. Results provide insights for both policymakers on label implementation and farmers on further investments in animal welfare.
动物福利是一种具有公共利益特征的信任属性。使用离散选择实验,推导出消费者对具体计划的国家动物福利标签的支付意愿(WTP),并按产品组(新鲜肉与加工肉)和税收情景(价格中不含税与额外动物福利税)进行比较。消费者对国家标签有积极的WTP。然而,加工肉的标签WTP明显低于鲜肉。附加税不会影响标签的平均WTP。研究结果为政策制定者和农民在动物福利方面的进一步投资提供了见解。
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引用次数: 0
Policy-induced expansion of organic farmland: implications for food prices and welfare 政策引导的有机农田扩张:对食品价格和福利的影响
IF 3.4 2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-08-02 DOI: 10.1093/erae/jbad024
P. Mérel, Zhiran Qin, R. Sexton
Public policies increasingly support the expansion of organic agriculture as part of a menu of food and environmental initiatives. A little-studied yet crucial element of such expansion, especially in light of scientific evidence on lower yields of organic crops, is its impact on overall food production and food prices, especially for poorer households. In this paper, we first establish a positive empirical relationship between countries’ propensity to produce and consume organic foods and their per-capita income. Such correlation suggests that, even if rich countries’ consumers can benefit from an increase in the organic farmland share, poor countries’ consumers would likely face higher conventional food prices. We then develop and calibrate a model of world food demand and supply to assess the implications of a policy-driven expansion in organic farmland. Our results for four major grains and oilseeds show that raising the organic cropland share in rich countries from 3 to 15 per cent increases food prices in poor countries by up to 6.3 per cent, with central values of 1.2–2.5 per cent, and a commensurate reduction in consumer welfare. Model parameterisations indicate that farmers in poor countries benefit from higher crop prices, while consumers in rich countries are largely unaffected and sometimes benefit. In all cases, poor countries’ consumers bear most of the distortion burden. In our preferred parameterisation, a 3 per cent increase in cropland in rich countries is needed to offset the food price increase in poor countries.
公共政策越来越多地支持扩大有机农业,将其作为食品和环境倡议菜单的一部分。这种扩张的一个很少研究但至关重要的因素,特别是考虑到有机作物产量较低的科学证据,是它对整体粮食生产和粮食价格的影响,尤其是对贫困家庭的影响。在本文中,我们首先建立了各国生产和消费有机食品的倾向与其人均收入之间的正经验关系。这种相关性表明,即使富裕国家的消费者能够从有机农田份额的增加中受益,贫穷国家的消费者也可能面临更高的传统食品价格。然后,我们开发并校准了一个世界粮食需求和供应模型,以评估政策驱动的有机农田扩张的影响。我们对四种主要谷物和油籽的研究结果表明,将富裕国家的有机农田份额从3%提高到15%,会使贫穷国家的粮食价格上涨6.3%,中心值为1.2-2.5%,消费者福利也相应降低。模型参数化表明,贫穷国家的农民从更高的作物价格中受益,而富裕国家的消费者基本上不受影响,有时也会受益。在所有情况下,贫穷国家的消费者承担了大部分扭曲负担。在我们首选的参数化中,富裕国家的耕地需要增加3%,以抵消贫穷国家的粮食价格上涨。
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引用次数: 0
Fast and furious: the rise of environmental impact reporting in food systems 快速而激烈:食品系统中环境影响报告的兴起
IF 3.4 2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-08-02 DOI: 10.1093/erae/jbad018
Koen Deconinck, Marion Jansen, Carla Barisone
Powerful long-term drivers are increasing both the demand and supply of quantified environmental impact information in food systems. The trend is fast (with many initiatives underway) and furious (presenting a confusing landscape) but has so far received little attention from economists. Better information can inform public and private efforts to reduce environmental pressures. However, the use of different methodologies and reporting requirements could lead to a fragmented landscape. Moreover, there is a risk that poor producers will be disproportionately affected. We discuss the trend, its drivers, impacts and potential pitfalls, as well as the many open research and policy questions.
强大的长期驱动因素正在增加食品系统中量化环境影响信息的需求和供应。这一趋势很快(许多举措正在进行中),也很激烈(呈现出令人困惑的局面),但迄今为止很少受到经济学家的关注。更好的信息可以为公共和私人减少环境压力的努力提供信息。然而,使用不同的方法和报告要求可能会造成分散的局面。此外,贫穷生产者也有可能受到不成比例的影响。我们讨论了这一趋势、驱动因素、影响和潜在陷阱,以及许多公开的研究和政策问题。
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引用次数: 0
The pricing of variance risks in agricultural futures markets: do jumps matter? 农产品期货市场方差风险的定价:跳跃重要吗?
IF 3.4 2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-07-27 DOI: 10.1093/erae/jbad026
Xinyue He, Siyu Bian, Teresa Serra
The existence of a negative variance risk premium on agricultural futures contracts suggests that market participants pay to hedge unexpected increases in the volatility of these contracts. In this paper, we decompose the variance risk premium in corn and soybeans markets into jump and diffusive components using options and futures data from 2009 to 2021. We find that market participants on average only pay to hedge unexpected increases in jump volatility but not those in diffusive volatility. Furthermore, growing season uncertainty and the arrival of United States Department of Agriculture (USDA) announcements play important roles in driving the market’s fear of unexpectedly large price jumps.
农业期货合约负方差风险溢价的存在表明,市场参与者为对冲这些合约波动性的意外增加而付费。在本文中,我们使用2009年至2021年的期权和期货数据,将玉米和大豆市场的方差风险溢价分解为跳跃和扩散分量。我们发现,市场参与者平均只为对冲跳跃波动性的意外增加而付费,而不是扩散波动性的增加。此外,季节的不确定性和美国农业部(USDA)公告的到来,在推动市场对价格意外大幅上涨的担忧方面发挥了重要作用。
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引用次数: 0
Farmers’ acceptance of the income stabilisation tool: a discrete choice experiment application 农民对收入稳定工具的接受:一个离散选择实验应用
IF 3.4 2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-07-24 DOI: 10.1093/erae/jbad025
T. Čop, Simone Cerroni, M. Njavro
The income stabilisation tool (IST) is the latest tool proposed by the European Union (EU) to manage agricultural risks. It aims at stabilising farm income by compensating income losses. Using a discrete choice experiment, this paper investigates grapevine farmers’ acceptance of the IST in Croatia and tests whether behavioural factors such as risk preferences, probability weighting and subjective probabilities related to future farm income explain acceptance of this new tool. Results suggest that there is demand for the IST. Pessimistic farmers are more likely to participate in the IST than others, suggesting that subjective probabilities influence farmers’ decisions about agricultural risk management.
收入稳定工具(IST)是欧盟(EU)提出的管理农业风险的最新工具。它旨在通过补偿收入损失来稳定农业收入。采用离散选择实验,本文调查了克罗地亚葡萄种植者对IST的接受程度,并测试了风险偏好、概率加权和与未来农场收入相关的主观概率等行为因素是否解释了这种新工具的接受程度。结果表明,对IST有需求。悲观的农民比其他人更有可能参与IST,这表明主观概率影响了农民关于农业风险管理的决策。
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引用次数: 2
Identifying and assessing intensive and extensive technologies in European dairy farming 识别和评估欧洲奶牛养殖中的集约型和粗放型技术
IF 3.4 2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-07-05 DOI: 10.1093/erae/jbad023
L. Latruffe, A. Niedermayr, Y. Desjeux, K. Dakpo, Kassoum Ayouba, L. Schaller, J. Kantelhardt, Yan Jin, Kevin Kilcline, M. Ryan, C. O’Donoghue
In order to tackle climate change and biodiversity loss, the European Union (EU) promotes extensive farming. However, identifying such farms across countries and assessing their performance for policy purposes remains challenging. This paper combines a latent class stochastic frontier model (LCSFM) with a novel nested metafrontier approach. The resulting model enables the identification of intensive and extensive farms across countries, estimation of farm efficiency and identification of different technology gaps. Based on Farm Accountancy Data Network data of French, Irish and Austrian dairy farms,we find poorer environmental but better economic performance of intensive farms, compared to extensive farms. The largest productivity differences stem from technology gaps and not from inefficiency. The approach enables a more nuanced analysis of sources of inefficiency to assist policy design for future green payments in the EU.
为了应对气候变化和生物多样性丧失,欧盟(EU)提倡广泛的农业。然而,为了政策目的,在各国确定此类农场并评估其表现仍然具有挑战性。本文将潜在类随机前沿模型(LCSFM)与一种新的嵌套元前沿方法相结合。由此产生的模型能够识别各国的集约型和粗放型农场,估计农场效率并识别不同的技术差距。根据法国、爱尔兰和奥地利奶牛场的农场会计数据网络数据,我们发现与粗放型农场相比,集约型农场的环境较差,但经济表现更好。最大的生产力差异源于技术差距,而不是效率低下。该方法能够对低效率的来源进行更细致的分析,以帮助欧盟未来绿色支付的政策设计。
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引用次数: 0
Digital innovations for sustainable and resilient agricultural systems 可持续和有弹性的农业系统的数字创新
IF 3.4 2区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2023-06-27 DOI: 10.1093/erae/jbad021
R. Finger
Digitalisation is rapidly transforming the agri-food sector. This paper investigates emerging opportunities, challenges and policy options. We show that digital innovations can contribute to more sustainable and resilient agricultural systems. For example, digital innovations enable increased productivity, reduced environmental footprints and higher resilience of farms. However, these optimistic outcomes of increasing digitalisation of the agricultural sector will not emerge on their own, but this development comes with several challenges, costs and risks, e.g. in economic, social and ethical dimensions. We provide policy recommendations to explore opportunities and avoid risks. Moreover, we discuss implications for future research in agricultural economics.
数字化正在迅速改变农业食品行业。本文探讨了新出现的机遇、挑战和政策选择。我们表明,数字创新可以为更可持续和更有弹性的农业系统做出贡献。例如,数字创新能够提高生产力,减少环境足迹,提高农场的复原力。然而,农业部门日益数字化的这些乐观结果不会单独出现,但这一发展带来了一些挑战、成本和风险,例如在经济、社会和道德层面。我们提供政策建议,探索机遇,规避风险。此外,我们还讨论了对未来农业经济学研究的启示。
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引用次数: 1
期刊
European Review of Agricultural Economics
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