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The Effects of Biofuels on Food Security in Selected Countries 生物燃料对部分国家粮食安全的影响
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150401
Ebrahim Babakhani, R. Rostamian, Mostafa Goudarzi
Biofuels are produced as replacements for fossil fuels. Nevertheless, these fuels may jeopardize food security. No research has examined the relationship between the production of biofuels and food security in terms of their various dimensions. This study examined the effects of biofuels on food security in several developed and developing countries comprising oil-producing and developed countries. Dimensions of food security were including food availability, food accessibility, food utilization, and food stability. To this end, standard and neo-Malthusian theories combined with the food availability decline (FAD) theory were employed. In addition, the panel generalized method of moments (GMM) was used to estimate the relationships between variables. The results showed that food stability, population growth, and income inequality were measured by the Gini index, and unemployment was significantly higher in developing countries than in developed countries. Conversely, food security, food availability, food accessibility, food utilization, land area, total biofuel production, agricultural credit allocation, and food product prices were higher in developed countries than in developing countries. The increase in biofuel production reduced food security by 0.031%, 0.047%, and 0.064% in all countries, developing and developed countries, respectively. In developing countries, biofuels had a significant impact on food accessibility and food availability. However, biofuels had significant and positive effects on food stability and utilization. In developed countries, biofuels had negative effects on food accessibility, stability, and availability and positive effects on food utilization (0.016%). In conclusion, policies are needed to mitigate the negative effects of biofuels on food security.
生产生物燃料是为了替代化石燃料。然而,这些燃料可能会危及粮食安全。目前还没有研究从生物燃料生产与粮食安全的不同层面来探讨二者之间的关系。本研究考察了生物燃料对几个发达国家和发展中国家(包括产油国和发达国家)粮食安全的影响。粮食安全的维度包括粮食可获得性、粮食可获取性、粮食利用率和粮食稳定性。为此,我们采用了标准理论、新马尔萨斯理论和粮食供应下降(FAD)理论。此外,还采用了面板广义矩法(GMM)来估计变量之间的关系。结果显示,发展中国家的粮食稳定性、人口增长和收入不平等(以基尼系数衡量)以及失业率明显高于发达国家。相反,发达国家的粮食安全、粮食供应、粮食可获得性、粮食利用率、土地面积、生物燃料总产量、农业信贷分配和粮食产品价格均高于发展中国家。生物燃料产量的增加使所有国家、发展中国家和发达国家的粮食安全分别降低了 0.031%、0.047% 和 0.064%。在发展中国家,生物燃料对粮食的可获得性和粮食的可利用性有显著影响。然而,生物燃料对粮食的稳定性和利用率有重大的积极影响。在发达国家,生物燃料对粮食的可获得性、稳定性和可用性产生了负面影响,而对粮食的利用率产生了正面影响(0.016%)。总之,需要制定政策来减轻生物燃料对粮食安全的负面影响。
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引用次数: 0
Digital Transformation of Agricultural Extension in Indonesia: A Comprehensive Analysis 印度尼西亚农业推广的数字化转型:综合分析
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150410
Digital transformation in the field of agricultural extension is quite essential for agriculture in the future. The problem is that not all extension workers understand the use of cyber extension. The research objective is to explore the relationship between individual motivation (IM), social capital (SC), digital extension adoption (CEA), knowledge sharing (KS), and agricultural extension performance (EP) in Indonesia. The research method used was explanatory, with purposive location selection and a population focused on agricultural extension workers. Sampling was carried out using quota techniques. Data analysis in this study used Structural Equation Modeling with Partial Least Squares (SEM-PLS). More specifically, IM and SC act as construct variables, while CEA and KS not only act as construct variables but also as mediators. Agricultural Extension (EP) performance is measured as a latent variable. The research results reveal that all construct variables, namely IM, SC, CEA, and KS, positively and significantly influence the EP. These findings demonstrate the importance of these factors in supporting digital transformation in agricultural extension in Indonesia and can provide valuable guidance for decision-makers and practitioners in efforts to increase the effectiveness of agricultural extension using digital technology.
农业推广领域的数字化转型对未来的农业发展至关重要。问题是,并非所有推广人员都了解网络推广的使用。本研究旨在探讨印度尼西亚个人动机(IM)、社会资本(SC)、数字推广采用(CEA)、知识共享(KS)和农业推广绩效(EP)之间的关系。采用的研究方法是解释性的,有目的性地选择地点,研究对象主要是农业推广人员。采用配额技术进行抽样。本研究采用偏最小二乘法结构方程模型(SEM-PLS)进行数据分析。更具体地说,IM 和 SC 作为构造变量,而 CEA 和 KS 不仅作为构造变量,还作为中介变量。农业推广(EP)绩效作为潜变量进行测量。研究结果表明,所有建构变量,即 IM、SC、CEA 和 KS,都会对 EP 产生积极而显著的影响。这些研究结果表明了这些因素在支持印度尼西亚农业推广数字化转型中的重要性,并可为决策者和从业人员利用数字技术提高农业推广效率的努力提供有价值的指导。
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引用次数: 0
ICTs Use, Agroforestry Technologies’ Adoption and Crop Farmers’ Welfare: An Empirical Evidence from Southwest, Nigeria 信息和通信技术的使用、农林业技术的采用和农作物种植者的福利:尼日利亚西南部的经验证据
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150406
L. Oparinde
There is a glaring shortage of studies on the impact of ICTs use on the adoption of agroforestry technologies and combined effects of ICTs use and agroforestry technologies’ adoption on farmers’ welfare. To fill the information gap, this study examined the impact of ICTs use on agroforestry technologies’ adoption and their heterogenous impacts on crop farmers’ welfare in Southwest, Nigeria. Endogenous-treatment poisson regression (ETPR) model and unconditional quantile regression (UQR) model were used to analyse the data collected from 488 respondents. The results indicated that the use of ICTs improved the adoption of agroforestry technologies which facilitate friendly environment. Also, ICTs use and agroforestry technologies’ adoption statistically and heterogeneously influenced farm revenue and household food insecurity access scale (HFIAS). Precisely, ICTs use had the highest influence on farm revenue at the lowest quantile, while agroforestry technologies’ adoption had the highest effect on household food insecurity access scale (HFIAS) at the lowest quantile. Therefore, policies that promote crop farmers’ access to ICTs should be the priority of policy makers who are interested in the welfare of crop farmers and increased farmers’ level of agroforestry technologies’ adoption.
关于信息和通信技术的使用对采用农林业技术的影响以及信息和通信技术的使用和采用农林业技术对农民福利的综合影响的研究明显不足。为了填补信息空白,本研究考察了信息和通信技术的使用对农林业技术采用的影响,以及它们对尼日利亚西南部农作物种植者福利的异质性影响。研究采用了内生处理泊松回归(ETPR)模型和无条件量化回归(UQR)模型来分析从 488 名受访者那里收集到的数据。结果表明,信息和通信技术的使用提高了农林业技术的采用率,促进了环境友好。此外,信息和通信技术的使用和农林技术的采用在统计上对农业收入和家庭粮食不安全获得量表(HFIAS)产生了异质性影响。确切地说,信息和通信技术的使用对最低分位数的农场收入影响最大,而农林技术的采用对最低分位数的家庭粮食不安全获得量表(HFIAS)影响最大。因此,促进种植农户使用信息和通信技术的政策应成为关心种植农户福利和提高农户农林技术采用水平的政策制定者的优先考虑事项。
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引用次数: 0
Adapting Agriculture: Policy Implications of the Rise of Resistant Seeds in Farmers' Climate Change Strategy 适应农业:抗性种子在农民气候变化战略中崛起的政策影响
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150408
Dáša Ščurková, Marianna Marčanová
This paper explores farmers' perceptions of climate change and their preferred adaptive and mitigatory strategies within Slovakia's Nitra region, aiming to devise recommendations for climate change-oriented agricultural policies. Our methodology incorporates an analysis of perspectives gathered from a regional survey using the Analytical Hierarchy Process (AHP) and SuperDecisions software, complemented by a risk-attitude assessment using the modified Multiple Price Lists (MPL) method. A subsequent heterogeneity analysis correlates these preferences with respondents' socio-economic status and risk attitudes. Our findings underscore the use of improved, resilient seeds as a favored adaptation measure and reveal a correlation between farmers' socio-economic attributes and their climate change strategy preferences. Based on this, we propose inclusive, micro-level agricultural policies that prioritize the unique climatic needs of the Nitra region and strongly consider the priority viewpoints of farmers within this region, aiming to promote sustainable agriculture under changing climatic conditions.
本文探讨了斯洛伐克尼特拉地区农民对气候变化的看法及其偏好的适应和缓解策略,旨在为以气候变化为导向的农业政策提供建议。我们的方法包括使用层次分析法(AHP)和超级决策软件对地区调查中收集到的观点进行分析,并使用修改后的多重价目表(MPL)方法对风险态度进行评估。随后的异质性分析将这些偏好与受访者的社会经济地位和风险态度联系起来。我们的研究结果表明,改良的抗逆性种子是一种受欢迎的适应措施,并揭示了农民的社会经济属性与其气候变化策略偏好之间的相关性。在此基础上,我们提出了包容性的微观农业政策,优先考虑尼特拉地区独特的气候需求,并着重考虑该地区农民的优先观点,旨在促进气候变化条件下的可持续农业。
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引用次数: 0
Agriculture Data Platform – Institutional Data Repository – Selected Aspects 农业数据平台 - 机构数据存储库 - 选定方面
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150409
M. Stoces, J. Vanek, Jan Jarolímek, Vojtech Novák, J. Masner, P. Šimek, Eva Kanska, Martin Havránek, K. Kubata, Vladimír Voral
This paper presents selected aspects of a data platform to store agricultural data. It analyses the key user and system requirements for the data platform. The presented aspects were identified through a literature review, interviews and discussions with selected data experts and researchers and future users of the platform. The following issues of the data platform are discussed in the paper: architecture, data types, data source types, metadata, disciplinary interfaces, data sharing, data reusability, Open Science, FAIR data principles, and further data processing options. Part of the knowledge from this article was used in the design and implementation of the Institutional Data Repository called Data Management Platform (DaMP.) CZU (Czech University of Life Sciences Prague) (OPENAI, 2023).
本文介绍了存储农业数据的数据平台的某些方面。它分析了数据平台的关键用户和系统要求。通过文献综述、访谈以及与选定的数据专家、研究人员和平台未来用户的讨论,确定了所介绍的各个方面。文中讨论了数据平台的以下问题:架构、数据类型、数据源类型、元数据、学科接口、数据共享、数据可重用性、开放科学、FAIR 数据原则以及进一步的数据处理选项。本文的部分知识被用于设计和实施名为数据管理平台(DaMP.)的捷克布拉格生命科学大学机构数据存储库(OPENAI,2023 年)。
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引用次数: 0
The Climate Effect on Colombian Coffee Prices and Quantities Based on Risk Analysis and the Hedging Strategy in Discrete Setting Approach 基于风险分析和离散设置方法中的对冲策略的气候对哥伦比亚咖啡价格和数量的影响
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150407
Javier Pantoja-Robayo, David Rodriguez-Guevara
This paper provides a risk-hedging strategy for coffee markets including climate impact in the context of Colombian Coffee producers, companies, regulators, and policymakers. From the intermediaries' perspective, we present a hedging price and quantity risks using financial instruments based on price and weather variables (El Niño and La Niña phenomena). The coffee price and quantities produced are mitigated by the inclusion of climatic variables in two ways: first, through analysing the changes observed in the forward curve against spot price measuring the deterministic effect, known in this market as the forward risk premium. Second, including the weather index in the hedge structure on price and quantity in the coffee market improves the agent's result; this latter aims to improve the hedging claim's performance due to the link between demanded volume and weather-linked index. An experiment shows the strategy profit over the best-performing claim price derived only and without hedging.
本文以哥伦比亚咖啡生产商、公司、监管机构和政策制定者为背景,提供了一种包括气候影响在内的咖啡市场风险对冲策略。从中间商的角度出发,我们提出了一种利用基于价格和天气变量(厄尔尼诺和拉尼娜现象)的金融工具对冲价格和数量风险的方法。纳入气候变量后,咖啡的价格和产量将通过两种方式得到缓解:首先,通过分析远期曲线与现货价格之间的变化来衡量确定性效应,这在市场上被称为远期风险溢价。其次,将天气指数纳入咖啡市场价格和数量的套期保值结构中,可以改善代理的结果;后者旨在通过需求量与天气指数之间的联系,改善套期保值索赔的绩效。一项实验表明,与仅有对冲和无对冲的最佳表现索赔价格相比,该策略的利润更高。
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引用次数: 0
Analyzing Meat and Seafood Import Demand in Trinidad and Tobago Using the Linear Approximate Almost Ideal Demand System Model 利用线性近似几乎理想需求系统模型分析特立尼达和多巴哥的肉类和海鲜进口需求
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150403
David Forgenie, Sharon D. Hutchinson, N. Khoiriyah, Meera Mahase-Forgenie
A linear approximated almost ideal demand system model is specified to estimate imported meat and seafood demand in Trinidad and Tobago for the period 1976 to 2019 using annual data. Model parameters were estimated using seemingly unrelated regression with theoretical restrictions imposed. The results found that own-price of imported poultry and seafood negatively affected import expenditure share while own-price positively affected import expenditure share for imported beef, pork, and mutton. In addition, income negatively affected the import expenditure share of imported beef but positively affected the import expenditure share of imported pork, poultry, seafood, and mutton over the study period. Expenditure elasticity for imported meats and seafood reveals that they are all normal goods. Imported beef, pork, poultry, seafood, and mutton had expenditure elasticities of 0.57, 1.13, 1.94, 1.12, and 1.05, respectively. Imported pork, poultry, seafood, and mutton were found to be luxuries with income-elastic import demand. Own-price elasticities reveal that imported poultry was the most import elastic with an own-price elasticity of 1.40, followed by imported seafood (1.22), beef (0.65), mutton (0.54), and pork (0.48). Cross-price elasticities revealed that various complementary and substitution relationships existed among imported meats and seafood over the study period. Hicksian cross-price elasticities showed that mostly substitution relationships existed between various pairs of imported meats and seafood. The study also highlighted some policy recommendations that can be derived from the results.
利用年度数据,对特立尼达和多巴哥 1976 年至 2019 年期间的进口肉类和海鲜需求量进行了线性近似几乎理想的需求系统模型估算。模型参数采用看似无关的回归方法进行估计,并施加了理论限制。结果发现,进口家禽和海产品的自有价格对进口支出份额有负面影响,而进口牛肉、猪肉和羊肉的自有价格对进口支出份额有正面影响。此外,在研究期间,收入对进口牛肉的进口支出份额有负面影响,但对进口猪肉、家禽、海鲜和羊肉的进口支出份额有正面影响。进口肉类和海产品的支出弹性表明,它们都属于正常商品。进口牛肉、猪肉、家禽、海鲜和羊肉的支出弹性分别为 0.57、1.13、1.94、1.12 和 1.05。进口猪肉、家禽、海鲜和羊肉属于奢侈品,其进口需求具有收入弹性。自有价格弹性显示,进口家禽的进口弹性最大,自有价格弹性为 1.40,其次是进口海鲜(1.22)、牛肉(0.65)、羊肉(0.54)和猪肉(0.48)。交叉价格弹性显示,在研究期间,进口肉类和海产品之间存在各种互补和替代关系。希克斯交叉价格弹性表明,各种进口肉类和海产品之间主要存在替代关系。研究还强调了从研究结果中可以得出的一些政策建议。
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引用次数: 0
Efficiency of Use Fixed Assets in the Context of Profitability – Empirical Evidence of Food Industry Enterprises in Visegrad Group 盈利能力背景下的固定资产使用效率--维舍格勒集团食品工业企业的经验证据
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150405
Martina Novotná, T. Volek
Efficient use of production resources in enterprises is necessary for increasing their competitiveness and the potential for their future development. In today's global world, companies are forced to invest in new technologies that are both more energy-efficient and more environmentally friendly, including in the food industry. The paper focusses on the efficiency of production factors in relation to their economic success. The aim is to find possible variants of the development of the links between capital labour ratio and labour productivity in relation to the development of profitability of returns. Empirical analysis coved 2,526 enterprises in food industry in four examined European countries (Visegrad group -V4) - Czech Republic, Hungary, Poland, Slovak Republic. The contribution of the paper is the generalization of the links between the indicators of the efficiency of production factors in the form of recommended inequalities that can be used by enterprises for economically successful development.
企业要提高竞争力和未来发展潜力,就必须高效利用生产资源。在当今的全球化世界中,企业不得不投资于更节能、更环保的新技术,食品工业也不例外。本文重点关注生产要素的效率与其经济成就的关系。目的是找到资本劳动比率和劳动生产率之间的联系发展与收益率发展之间的可能变体。实证分析涵盖了捷克、匈牙利、波兰和斯洛伐克共和国四个欧洲国家(维谢格拉德集团-V4)的 2,526 家食品工业企业。本文的贡献在于以建议的不平等形式概括了生产要素效率指标之间的联系,企业可利用这些指标实现经济上的成功发展。
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引用次数: 0
Mapping the ICT in Agricultural Research: A Bibliometric Analysis 绘制农业研究中的信息和通信技术:文献计量分析
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150404
Adriana Novotná
In recent years, the information and communication technologies (ICT) with the agricultural sector has garnered significant attention due to its potential to transform and optimize agricultural practices. This study provides a comprehensive picture of the previous and current state of ICT in agricultural research, thereby shedding light on the existing knowledge landscape and key research themes. The study presents a mapping research approach that explores the conceptual structure of ICT in agriculture research using co-occurrence analysis drawing upon the Web of Science database with the results of 8,654 documents that have been published from 1989 to 2023. From a total of 2,930 keywords and the five most frequent keywords have been identified as: "performance", "growth", "expression", "impact", and "identification". The findings from this study contribute to the broader understanding of the ICT-agriculture research landscape and provide valuable insights for researchers, practitioners, and policymakers in this evolving field.
近年来,由于信息与传播技术(ICT)具有改变和优化农业实践的潜力,它在农业领域的应用受到了广泛关注。本研究全面介绍了信息与传播技术在农业研究中的过去和现状,从而揭示了现有的知识格局和关键研究主题。本研究采用图谱研究方法,利用共现分析法探索农业研究中信息与传播技术的概念结构,利用科学网数据库中 1989 年至 2023 年期间发表的 8654 篇文献的结果。从总共 2,930 个关键词中,确定了五个最常见的关键词:"表现"、"增长"、"表达"、"影响 "和 "识别"。这项研究的结果有助于人们更广泛地了解信息和通信技术与农业的研究情况,并为这一不断发展的领域的研究人员、从业人员和决策者提供了宝贵的见解。
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引用次数: 0
The Impact of Livelihood Diversification As a Climate Change Adaptation Strategy on the Food Security Status of Pastoral Households in Southeastern and Southern Ethiopia 生计多样化作为气候变化适应战略对埃塞俄比亚东南部和南部牧民家庭粮食安全状况的影响
Q2 Economics, Econometrics and Finance Pub Date : 2023-12-30 DOI: 10.7160/aol.2023.150402
Baro Beyene, Mesfin Tilahun, Mebratu Alemu
The objective of this study was to investigate the determinants of food security and quantify the impact of livelihood diversification as an adaptation strategy on the level of food security of pastoral households in Arero district in Borena zone and Rayitu district in Bale zone in Ethiopia. A multistage sampling technique was used, selecting 396 households from Arero and Rayitu districts. The study used a multidimensional food security index to measure the food security status of pastoralist households. The descriptive result showed that 60.6 percent, 20.2 percent, and 19.2 percent of the pastoralist households had medium, high and low food security, respectively. The result of ordered logistic regression showed that the age of household head, herd size (TLU) and frequency of extension contacts significantly increased the food security status of pastoralist households. However, male household head, age of household head, household size (adult equivalent) and distance to market significantly decrease the food security status of pastoral households in Arero district. On the other hand, the result of the multinomial endogenous switching regression model showed that the uptake of non-farm activities as well as crop production and non-farm activities together have a positive and significant impact on the level of food security of the pastoralist households. Therefore, the results of the study suggest that working on participatory strategies to promote livelihood diversification among pastoralist communities is very important to improve the food security of pastoralist households.
本研究旨在调查粮食安全的决定因素,并量化生计多样化作为一种适应战略对埃塞俄比亚博雷纳区 Arero 地区和巴莱区 Rayitu 地区牧民家庭粮食安全水平的影响。研究采用了多阶段抽样技术,从 Arero 和 Rayitu 地区选取了 396 个家庭。研究采用多维粮食安全指数来衡量牧民家庭的粮食安全状况。描述性结果显示,分别有 60.6%、20.2% 和 19.2%的牧民家庭具有中等、高和低的粮食安全状况。有序逻辑回归结果显示,户主年龄、畜群规模(TLU)和与推广人员接触的频率会显著提高牧民家庭的粮食安全状况。然而,男性户主、户主年龄、家庭规模(成人当量)和距离市场的远近明显降低了阿雷罗地区牧民家庭的粮食安全状况。另一方面,多项式内生转换回归模型的结果表明,非农活动的参与以及作物生产和非农活动的共同参与对牧民家庭的粮食安全水平有积极而显著的影响。因此,研究结果表明,制定参与性战略,促进牧民社区生计多样化,对于改善牧民家庭的粮食安全非常重要。
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引用次数: 0
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Agris On-line Papers in Economics and Informatics
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