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International Journal on Food System Dynamics最新文献

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Digitalization and Work Organization in New Urban Food Delivery Systems 新型城市食品配送系统中的数字化与工作组织
Pub Date : 2018-11-19 DOI: 10.18461/PFSD.2018.1823
M. Klumpp, Caroline Ruiner
The implementation of food distribution in general and especially within urban areas requires a state-of-the-art logistics system. One decision therein is the level of centralization, with shifting optima due to emerging digitalization and peer-to-peer concepts. This study presents insights regarding the effects of innovative food logistics solutions with digitalized logistics. Findings are based on two case studies from (1) new urban distribution systems (Foodora, Lieferando and Deliveroo) and (2) Foodsharing in Germany. Results focus on the digitalized fast and short-term coordination between suppliers, transporters and customers – with interesting influences on work organization and management of workers in food distribution.
一般情况下,特别是在城市地区进行粮食分配,需要最先进的物流系统。其中一个决定是集中化水平,由于新兴的数字化和点对点概念,其最佳化程度正在发生变化。本研究提出了关于创新食品物流解决方案与数字化物流的影响的见解。研究结果基于两个案例研究:(1)新的城市配送系统(Foodora、liferando和Deliveroo)和(2)德国的食品共享。结果集中在供应商、运输商和客户之间的数字化快速和短期协调-对食品配送工人的工作组织和管理产生了有趣的影响。
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引用次数: 9
Consumers' perspective on dual-purpose chickens as alternative to the killing of day-old chicks 消费者对双重用途鸡的看法,以替代宰杀日龄雏鸡
Pub Date : 2018-11-19 DOI: 10.18461/IJFSD.V9I5.951
Nanke Brümmer, I. Christoph-Schulz, A. Rovers
The usage of dual‐purpose chicken breeds – a chicken breed which provides meat and eggs at the same time is one of the discussed alternatives to prevent cockerel chicks of laying hens from being killed for economic reasons. Therefore, the aim of this study is to analyse consumers’ perspective on dual‐purpose chickens. To get an insight into consumers’ perspective, we initially conducted six focus groups with German consumers focussing on their chicken meat and egg preferences, perception of chicken farming and attitudes towards dual‐purpose chicken breeds. The results show that most of the participants were aware of the killing of day‐old chicks. However, alternatives were scarcely known. After giving the participants information about dual‐purpose chickens, they were generally in favour of this chicken breed. Some participants raised concerns regarding the economic efficiency and the higher product prices. For others, ethical values predominated. All in all, the results demonstrate that the discussants have specific expectations regarding the husbandry conditions but also regarding the product characteristics and the labelling of dual‐purpose chickens.
使用两用鸡品种——一种同时提供肉和蛋的鸡品种——是防止蛋鸡中的公鸡小鸡因经济原因被杀死的讨论替代方案之一。因此,本研究的目的是分析消费者对两用鸡的看法。为了深入了解消费者的观点,我们最初与德国消费者进行了六个焦点小组,重点关注他们对鸡肉和鸡蛋的偏好、对养鸡的看法以及对两用鸡品种的态度。结果显示,大多数参与者都知道杀害一天大的小鸡。然而,替代方案却鲜为人知。在向参与者提供有关两用鸡的信息后,他们普遍支持这种鸡品种。一些与会者对经济效率和较高的产品价格表示关切。对其他人来说,道德价值观占主导地位。总之,研究结果表明,讨论者对饲养条件以及两用鸡的产品特性和标签都有特定的期望。
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引用次数: 14
System Dynamics Modelling and System Analysis Applied in Complex Research Projects - the Case of VALUMICS 系统动力学建模和系统分析在复杂研究项目中的应用-以VALUMICS为例
Pub Date : 2018-11-19 DOI: 10.18461/IJFSD.V9I5.953
A. Olafsdottir, Ingunn Y. Gudbrandsdottir, H. Sverdrup, S. Bogason, Guðrún Ólafsdóttir, G. Stefansson
VALUMICS is a Horizon 2020 project funded by the European Commission (2017-2021). The project structure is highly integrated and transdisciplinary, building on the expertise of over 30 specialists in various fields of research including knowledge integration through systems analysis and system dynamics modelling, food science, supply chain management, life cycle assessment, logistics, economics and social science. The aim of the project is to analyze the dynamics of food supply- and value chain systems using a structural analysis including system analysis and perform system simulations using system dynamics. The VALUMICS research approach and the project design are explained and it is justified why system analysis is needed to obtain an understanding of the complex connections and interactions of the distinct parts of food systems. Patterns will be recognized and thus causes and effects of complex relations within the selected food supply system and networks will be identified. This understanding of the functioning of the system can in turn be used to identify policy interventions.
VALUMICS是由欧盟委员会资助的地平线2020项目(2017-2021)。该项目结构高度集成和跨学科,建立在30多名专家在各个研究领域的专业知识基础上,包括通过系统分析和系统动力学建模、食品科学、供应链管理、生命周期评估、物流、经济和社会科学进行的知识整合。该项目的目的是使用包括系统分析在内的结构分析来分析食品供应链和价值链系统的动力学,并使用系统动力学进行系统模拟。对VALUMICS的研究方法和项目设计进行了解释,并说明了为什么需要进行系统分析来了解食品系统不同部分的复杂连接和相互作用。将认识到模式,从而确定选定的粮食供应系统和网络内复杂关系的原因和影响。这种对系统运作的理解反过来可以用来确定政策干预措施。
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引用次数: 6
Farmers Perception on Climate Change and Determinants of Adaptation Strategies in Benishangul-Gumuz Regional State of Ethiopia 埃塞俄比亚Benishangul-Gumuz地区国家农民对气候变化的看法和适应战略的决定因素
Pub Date : 2018-11-19 DOI: 10.18461/ijfsd.v9i5.956
A. H. Mesfin, A. Bekele
Adaptation to climate change involves changes in agricultural technologies in particular and management practices in general to reduce its risk and effects. To minimize the losses due to climate change factors, farmers have employed different climate change adaptation strategies. Consequently, this study examines farmer adaptation strategies to climate change in Benishangul-Gumuz Regional State of Ethiopia based on a cross-section data of three representative zones of Assosa, Kamashi zones and Mao-komo special district. The study describes the perceptions of smallholder farmers to changes in climate change indicators and adaptation measures at the farm household level using multivariate discrete choice model to identify the determinants of adaptation strategies. The econometric model has showed that households demographic factors, resources endowments (land, labor, livestock), institutional factors (access to extension services, cooperative membership and access to credit) are some of the important determinants of farm-level adaptation. The policy implication from our finding is that improving access to credit, production factors (like land, labor) enhancing the bargaining power of smallholder farmers can significantly increase farm-level adaptation to climate change. Moreover, adopting different improved crop varieties have showed better yield gains than non-adopters. Thus, policies and strategies should focus at research and development on appropriate technologies that help smallholder farmers’ adaptation capacity to climate changes hereby varietal development, appropriate agronomic recommendations, pre-extension demonstration and popularization of improved cultivars and promoting appropriate farm-level adaptation measures such as use of irrigation technologies.
适应气候变化涉及改变农业技术,特别是改变管理做法,以减少其风险和影响。为了尽量减少气候变化因素造成的损失,农民采取了不同的气候变化适应策略。本研究利用多元离散选择模型,描述了农户对气候变化指标变化和适应措施的感知,以确定适应策略的决定因素。计量经济模型表明,家庭人口因素、资源禀赋(土地、劳动力、牲畜)、制度因素(获得推广服务、合作社成员资格和获得信贷)是农场一级适应的一些重要决定因素。我们的研究结果的政策含义是,改善获得信贷、生产要素(如土地、劳动力)的渠道,提高小农的议价能力,可以显著提高农场层面对气候变化的适应能力。此外,采用不同的改良作物品种比不采用的作物品种表现出更好的产量增长。因此,政策和战略应侧重于研究和开发有助于小农适应气候变化的适当技术,包括品种开发、适当的农艺建议、推广前示范和推广改良品种,以及推广适当的农场一级适应措施,如使用灌溉技术。
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引用次数: 9
Production, Consumption and the Actor’s Landscape in the Argentinean Organic Agricultural and Food Sector 生产,消费和行动者的景观在阿根廷有机农业和食品部门
Pub Date : 2018-11-19 DOI: 10.18461/IJFSD.V9I5.954
Nicolas Fuchshofen, D. Hirsch, L. I. Brodtmann, Wiltrud Terlau
Argentina substantially contributes to the global organic agriculture and food sector due to its large areas of organically managed agricultural land. However, most of the organic production is intended for export. Overall, food supply for the domestic organic market is hardly tapped. Based on this, we investigate the current importance of organic agriculture and food production as well as consumption attitudes and behavior within the country. The novelty of the study also lies in the observation, documentation and analysis of latest stakeholder‐driven developments towards organic agriculture and food. Furthermore, the publication allows the Argentinean organic market to be significantly more visible for the international audience.
由于拥有大面积的有机管理农业用地,阿根廷对全球有机农业和食品部门做出了重大贡献。然而,大多数有机产品是用于出口的。总的来说,国内有机市场的食品供应几乎没有得到开发。在此基础上,我们调查了当前有机农业和食品生产的重要性以及国内的消费态度和行为。该研究的新颖之处还在于观察、记录和分析了利益相关者推动的有机农业和食品的最新发展。此外,该出版物使阿根廷有机市场对国际观众更加明显。
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引用次数: 0
Measuring GHG Emissions Across the Agri-Food Sector Value Chain: The Development of BIO - a Bio-economy Input- Output Model 衡量农业食品部门价值链中的温室气体排放:生物经济投入产出模型BIO的发展
Pub Date : 2018-10-01 DOI: 10.18461/IJFSD.V10I1.04
C. O’Donoghue, Aksana Chyzheuskaya, Eoin Grealis, W. Finnegan, Jamie Goggin, S. Hynes, Kevin Kilcline, M. Ryan
Sustainable intensification is one of the greatest challenges facing the agri-food sector which needs to produce more food to meet increasing global demand, while minimising negative environmental impacts such as agricultural greenhouse gas (GHG) emissions. Sustainable intensification relates not just to primary production, but also has wider value chain implications. An input-output model is a modelling framework which contains the flows across a value chain within a country. Input-output (IO) models have been disaggregated to have finer granular detail in relation to agricultural sub-sectoral value chains. National IO models with limited agricultural disaggregation have been developed to look at carbon footprints and within agriculture to look at the carbon footprint of specific value chains. In this paper we adapt an agriculturally disaggregated IO model to analyse the source of emissions in different components of agri-food value chains. We focus on Ireland, where emissions from agriculture comprise nearly 30% of national emissions and where there has been a major expansion and transformation in agriculture since the abolition of milk quota restrictions. In a substantial Annex to this paper, we describe the modelling assumptions made in developing this model. Breaking up the value chain into components, we find that most value is generated at the processing stage of the value chain, with greater processing value in more sophisticated value chains such as dairy processing. On the other hand, emissions are in general highest in primary production, albeit emissions from purchased animal feed being higher for poultry than for other value chains, given the lower direct emissions from poultry than from ruminants or sheep. The analysis highlights that emissions per unit of output are much higher for beef and sheep meat value chains than for pig and poultry meat value chains.
可持续集约化是农业食品部门面临的最大挑战之一,该部门需要生产更多的粮食来满足日益增长的全球需求,同时最大限度地减少农业温室气体(GHG)排放等负面环境影响。可持续集约化不仅涉及初级生产,而且具有更广泛的价值链影响。投入产出模型是一种建模框架,包含一个国家内价值链上的流量。投入产出(IO)模型已被分解,以具有与农业子部门价值链相关的更精细的细节。已经开发了具有有限农业分类的国家IO模型来研究碳足迹,并在农业内部研究特定价值链的碳足迹。在本文中,我们采用了一个按农业分类的IO模型来分析农业食品价值链不同组成部分的排放源。我们关注的是爱尔兰,该国农业排放量占全国排放量的近30%,自取消牛奶配额限制以来,该国的农业出现了重大扩张和转型。在本文的实质性附件中,我们描述了开发该模型时所做的建模假设。将价值链分解为多个组成部分,我们发现大多数价值是在价值链的加工阶段产生的,在乳制品加工等更复杂的价值链中具有更大的加工价值。另一方面,初级生产的排放量通常最高,尽管购买的动物饲料对家禽的排放量高于其他价值链,因为家禽的直接排放量低于反刍动物或绵羊。分析强调,牛肉和羊肉价值链的单位产出排放量远高于猪肉和禽肉价值链。
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引用次数: 15
Societal Perspectives on a Bio-economy in Germany: An Explorative Study Using Q Methodology 德国生物经济的社会视角:运用Q方法论的探索性研究
Pub Date : 2018-10-01 DOI: 10.18461/IJFSD.V10I1.02
Corinna Hempel, S. Will, K. Zander
Bio-economy describes an economy based on renewable instead of fossil resources. To ensure the success of this transformation it is necessary to involve society into the process. Q methodology was used to empirically assess people’s perspectives on bio-economy in Germany. Using a Q-type factor analysis three perspectives were identified. “Sufficiency and close affinity to nature” focuses on natural/ecological relations, while “Technological Progress” favours technologies to become less dependent on fossil resources. The third perspective “Not at any price” is rather concerned about economic trade-offs. An online survey is planned to investigate the representation of these perspectives in the wider population.
生物经济是指以可再生能源代替化石资源为基础的经济。为了确保这一转变取得成功,有必要使社会参与这一进程。Q方法被用于实证评估人们对德国生物经济的看法。使用q型因子分析确定了三个视角。“充足和亲近自然”侧重于自然/生态关系,而“技术进步”则倾向于减少对化石资源的依赖。第三种观点“不惜任何代价”更关心经济上的权衡。计划进行一项在线调查,以调查这些观点在更广泛人群中的代表性。
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引用次数: 18
Exploring consumer biased evaluations: Halos effects of local food and of related attributes 探索消费者偏好评价:当地食品及其相关属性的光环效应
Pub Date : 2018-08-31 DOI: 10.18461/IJFSD.V9I4.947
E. Demartini, E. Ricci, S. Mattavelli, S. Stranieri, A. Gaviglio, A. Banterle, J. Richetin, M. Perugini
The paper explores the (mis)perceptions related to local food to identify potential halo effects. It also investigates whether product beliefs relate to the food category itself or to its perceived attributes. 133 students answered a questionnaire regarding four cheeses labelled as local, conventional, organic, or PDO. Results show that local claims lead to perceiving the cheese as healthier, but less hygienic. Results suggest also other two potential halos: (i) the “tradition halo” that links perceived traditional character to healthiness and taste; and (ii) the “environmental and animal care halo” that links respect for environment and animal welfare to food safety.
本文探讨了与当地食物有关的(错误)观念,以确定潜在的光环效应。它还调查了产品信念是否与食品类别本身或其感知属性有关。133名学生回答了一份关于四种奶酪的调查问卷,这些奶酪被标记为本地奶酪、传统奶酪、有机奶酪和PDO奶酪。结果表明,当地的说法导致人们认为奶酪更健康,但不太卫生。结果还表明了另外两种潜在的光环:(i)“传统光环”,将感知到的传统性格与健康和味道联系起来;(ii)将尊重环境和动物福利与食品安全联系起来的“环境和动物护理光环”。
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引用次数: 20
On Consumers' Acceptance of Nanotechnologies: An Italian Case Study 关于消费者对纳米技术的接受:一个意大利案例研究
Pub Date : 2018-08-26 DOI: 10.18461/IJFSD.V9I4.943
R. Viscecchia, B. D. Devitiis, D. Carlucci, Gianluca Nardone, F. Santeramo
Nanotechnology represents a new frontier in food science with a great potential for many food sectors. Several studies have examined public’s benefits and risks perception of nanotechnology, but the literature on the factors influencing the public’s attitudes toward nanotechnology is rather limited. We investigate the willingness to buy for nanotechnology foods, and the role of risks and benefits perceptions. We use a structured questionnaire was submitted to consumers and Principal Component Analysis, followed by Structural Equation Model, were performed. We estimate the consumer willing to buy nanotechnology food for four nanotechnology applications, and conclude on a positive role of trust in institutions on willingness to buy food with nanotech applications, and on the (relatively lower) importance on consumers' attitudes toward health and innovations. Policy implications are also provided.
纳米技术代表了食品科学的一个新前沿,对许多食品部门具有巨大的潜力。一些研究调查了公众对纳米技术的利益和风险认知,但是关于影响公众对纳米技术态度的因素的文献相当有限。我们调查了购买纳米技术食品的意愿,以及风险和利益认知的作用。我们采用结构化问卷向消费者提交,并进行主成分分析,其次是结构方程模型。我们估计了消费者购买四种纳米技术应用的纳米技术食品的意愿,并得出结论,对机构的信任对购买纳米技术应用食品的意愿有积极作用,以及消费者对健康和创新的态度(相对较低)的重要性。还提供了政策影响。
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引用次数: 7
Different Tubers for Different Consumers: Heterogeneity in Human Values and Willingness to Pay for Social Outcomes of Potato Credence Attributes 不同的块茎给不同的消费者:人类价值观的异质性和为马铃薯信用属性的社会结果付费的意愿
Pub Date : 2018-08-26 DOI: 10.18461/IJFSD.V9I4.946
J. Fitzsimmons, G. Cicia
This paper investigates heterogeneity in consumers’ human values and willingness to pay (WTP) for social outcomes of credence process attributes that might have some positive social impact on purchases of early potatoes in Italy and Germany. Consumers’ identification with cross‐cultural human values is measured according to the Schwartz’ Portrait Values Questionnaire; the distribution of preferences for product attributes that claim a positive social impact among respondents with different human values is modeled using mixed logit analysis. Parallel survey studies were conducted in each country with the intention of comparing the impact of human values using the Schwartz Values framework on willingness to pay for early potatoes with several credence process attributes that may signal a positive social outcome as a result of purchase (price, country of origin, carbon footprint certification, ethical certification, and method of production). This paper aims to help clarify the role, if any, that pro‐social consumer values have in influencing the willingness to pay for specific food credence process attributes that claim to have a social impact. To the best of our knowledge this is one of the first paper to focus on the role human values have in influencing the willingness to pay for specific extrinsic food attributes.
本文调查了消费者的人类价值观和支付意愿的异质性,这些异质性可能对意大利和德国早期土豆的购买产生一些积极的社会影响。消费者对跨文化人类价值观的认同是根据施瓦茨肖像价值观问卷来衡量的;使用混合logit分析对具有不同人类价值观的受访者对声称具有积极社会影响的产品属性的偏好分布进行建模。在每个国家进行了平行调查研究,目的是比较使用Schwartz价值观框架的人类价值观对购买早期土豆的意愿的影响,以及几个信任过程属性,这些属性可能预示着购买土豆会带来积极的社会结果(价格、原产国、碳足迹认证、道德认证和生产方法)。本文旨在帮助澄清亲社会的消费者价值观在影响为声称具有社会影响的特定食品认证过程属性付费的意愿方面所起的作用(如果有的话)。据我们所知,这是第一篇关注人类价值观在影响为特定外在食物属性付费意愿方面所起作用的论文之一。
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引用次数: 6
期刊
International Journal on Food System Dynamics
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