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Cointegration and spatial price transmission among rice markets in Tanzania: implications for price stabilisation policies 坦桑尼亚大米市场的协整和空间价格传导:对价格稳定政策的影响
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-04-03 DOI: 10.1080/03031853.2021.1920436
Yohana James Mgale, Yan Yunxian, Provident Dimoso
ABSTRACT In an effort to increase agricultural production, promote regional specialization and stabilize domestic food prices, the Tanzanian government has implemented several market-enhancing policies. The success of these measures depends, among other factors, on the cointegration and degree of price transmission across spatial markets. This study uses the vector autoregressive procedure of the Toda-Yamamoto causality test, dynamic ordinary least squares cointegration tests, and the asymmetric error correction model to examine the performance of Tanzania's domestic wholesale rice markets (lead-lag price relationship and long-run price adjustment process) during the post-agricultural market liberalization period. In response to changes in the marketing-enhancing policies during the investigation period, the presence of multiple structural breaks in the long-run equation is allowed. The results show that the Dar es Salaam market influences prices in all the rice markets examined, thus acting as a price leader. Furthermore, the price adjustment process results demonstrated the absence of asymmetric price adjustment between the central and regional wholesale rice markets, suggesting improved integration and efficiency of inter-regional rice markets. On the other hand, a central market's presence implies that interventions aimed at the central market can buffer regional markets to withstand adverse price shocks caused by food price spikes and volatility.
为了增加农业生产,促进区域专业化和稳定国内食品价格,坦桑尼亚政府实施了几项促进市场的政策。除其他因素外,这些措施的成功取决于空间市场之间的协整和价格传导程度。本研究采用Toda-Yamamoto因果检验的向量自回归程序、动态普通最小二乘协整检验和非对称误差修正模型,检验坦桑尼亚国内大米批发市场在后农业市场自由化时期的表现(价格前滞后关系和长期价格调整过程)。为了应对调查期间市场促进政策的变化,允许长期方程中存在多个结构性断裂。结果表明,达累斯萨拉姆市场影响了所有被调查的大米市场的价格,从而发挥了价格领导者的作用。此外,价格调整过程结果表明,中央和区域大米批发市场之间不存在不对称的价格调整,表明区域间大米市场的一体化和效率有所提高。另一方面,中央市场的存在意味着针对中央市场的干预可以缓冲区域市场,使其承受粮食价格飙升和波动造成的不利价格冲击。
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引用次数: 0
Foreign direct investment into agriculture: does it crowd-out domestic investment? 外国直接投资进入农业:是否排挤了国内投资?
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-04-03 DOI: 10.1080/03031853.2021.1920437
J. Djokoto
ABSTRACT This study contributes to the debate on whether foreign direct investment crowd-in or crowd-out domestic investment by examining the short run and long run crowding effects of foreign direct investment (FDI) on domestic investment (DI) in the agricultural economy, using a cross-section of 64 countries from 1997 to 2016. In the short run, FDI has no discernible effect on DI in developing and transition economies’ agriculture. For developed economies, however, there is a crowd-out effect. Overall, is a crowding-in effect in the short run. A crowding-out effect was observed for developed countries whilst a crowding-in effect was observed for developed and economies in transition. Overall, the long-run effect is “no effect”. Improving the investment environment regarding regulatory and administrative processes as well as the absorptive capacity of the host country are recommended.
本研究通过考察外国直接投资(FDI)对农业经济中国内投资(DI)的短期和长期拥挤效应,对外国直接投资是否挤入或挤出国内投资的争论做出了贡献。在短期内,外国直接投资对发展中国家和转型经济体的农业直接投资没有明显的影响。然而,对于发达经济体来说,这是一种挤出效应。总的来说,这是短期内的挤入效应。在发达国家观察到挤出效应,而在发达国家和转型经济体观察到挤入效应。总的来说,长期效果是“没有效果”。建议改善管理和行政程序方面的投资环境以及东道国的吸收能力。
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引用次数: 9
Agronomic and socio-economic assessment of the introduction of a rice-based mixed cropping system to the Cuvelai seasonal wetland system in northern Namibia 纳米比亚北部Cuvelai季节性湿地系统采用水稻混合种植系统的农业和社会经济评估
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-04-03 DOI: 10.1080/03031853.2021.1917429
Y. Hirooka, T. Masuda, Y. Watanabe, Yasuhiro Izumi, Hiroyuki Inai, S. Awala, M. Iijima
ABSTRACT In the semi-arid regions of southern Africa, around the borders of Angola with Namibia, the Cuvelai seasonal wetland system is formed by floods during the rainy season. The objective of the present study was to assess the effects of introduction of a rice-based mixed cropping system to the seasonal wetlands (ondombe in the local language) from agronomic, social, and economic perspectives. For this purpose, we used a simple methodology with a multidisciplinary approach for yield and household survey and scenario analysis in northern Namibia. The yield survey revealed that in ondombe, rice showed a higher yield performance than that of pearl millet and sorghum, even in a drought year. The farm household survey showed that introducing a rice-based mixed cropping to ondombe could help local farmers enhance crop productivity by reducing labour and providing high rice yield. In addition, scenario analysis based on the yield and household surveys conducted in these regions suggested that the introduction of the mixed cropping system to ondombe could compensate for one-fourth of the governmental urgent food import budget even in drought years. Therefore, this system is an effective option for sustainable agricultural production and environmental management in the studied region.
在非洲南部的半干旱地区,安哥拉和纳米比亚边界附近,雨季的洪水形成了库韦莱季节性湿地系统。本研究的目的是从农艺、社会和经济的角度评估在季节性湿地(当地语言为ondombe)引入以水稻为基础的混合种植系统的影响。为此,我们在纳米比亚北部使用了一种简单的方法和多学科方法进行产量和住户调查以及情景分析。产量调查显示,即使在干旱年份,水稻的产量表现也高于珍珠粟和高粱。农户调查显示,在ondombe引进以水稻为基础的混合种植可以通过减少劳动力和提供高水稻产量来帮助当地农民提高作物生产力。此外,根据在这些地区进行的产量和住户调查进行的情景分析表明,即使在干旱年份,在东部地区采用混合种植制度也可以弥补政府紧急粮食进口预算的四分之一。因此,该系统是研究区域农业可持续生产和环境管理的有效选择。
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引用次数: 3
Towards a viable farm size – determining a viable household income for emerging farmers in South Africa's Land Redistribution Programme: an income aspiration approach 实现可行的农场规模——在南非土地再分配计划中为新兴农民确定可行的家庭收入:一种收入愿望方法
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-03-31 DOI: 10.1080/03031853.2021.1903520
S. Zantsi, G. Mack, N. Vink
ABSTRACT The purpose of this article is to propose an improved methodology to determine a viable farm size for potential emerging farmers as land reform beneficiaries. Land reform in South Africa has been criticised because of poor implementation and slow pace, accompanied by poor productivity in redistributed land. To explain this, it has been suggested that commercial farms are too large for emerging farmers who have little or no experience in commercial farming. Thus, there have been calls for measures to make subdivision of land easier and cheaper. To this end, cross–sectional survey data from 833 potential emerging farmers in three rural provinces are analysed to determine a viable income for emerging farm households as a basis for calculating a viable farm size, using the income aspiration literature, farm household economics theory as a point of departure. Off–farm income, farm income and aspirational income are included in the calculation. The viable income was matched to the existing commercial farm enterprise gross margins per hectare obtained from the Bureau for Food and Agricultural Policy, which are then used as the basis for suggesting “viable farm sizes” for different emerging farm households.
摘要本文的目的是提出一种改进的方法,以确定作为土地改革受益者的潜在新兴农民的可行农场规模。南非的土地改革因实施不力、步伐缓慢以及重新分配土地的生产力低下而受到批评。为了解释这一点,有人认为,商业农场对于那些几乎没有或根本没有商业农业经验的新兴农民来说太大了。因此,有人呼吁采取措施,使土地细分更容易、更便宜。为此,分析了来自三个农村省份833名潜在新兴农民的横断面调查数据,以确定新兴农户的可行收入,作为计算可行农场规模的基础,并以收入愿望文献和农户经济学理论为出发点。非农业收入、农业收入和理想收入都包括在计算中。可行的收入与从粮食和农业政策局获得的现有商业农场企业每公顷毛利率相匹配,然后将其用作为不同的新兴农场家庭建议“可行农场规模”的基础。
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引用次数: 4
Determinants of smallholder farmers’ livelihood trajectories. Evidence from rural Malawi 小农生计轨迹的决定因素。来自马拉维农村的证据
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-02-01 DOI: 10.1080/03031853.2022.2107030
M. Matita, E. Chirwa, Stevier Kaiyatsa, Jacob Mazalale, Masautso Chimombo, Loveness Msofi Mgalamadzi, B. Chinsinga
ABSTRACT This paper examines the determinants of livelihood trajectories of households surveyed in rural Malawi in 2007 that were tracked in 2018. Using a set of indicators, including income source diversification and participation in social assistance programmes, households were placed in different trajectories, namely, dropping out, stepping up, hanging in and stepping in. A multinomial logit model was used to analyse factors explaining placement in a livelihood trajectory. We find that the explanatory factors are not the same for farmers in different pathways. The stepping-up of households is likely with increasing commercialization and significant asset accumulation. Furthermore, the stepping-in trajectory is constrained by initial land holding sizes but is more likely if a household has had experience with the cultivation of several different kinds of crops. We find that crop diversification reduces the chance of dropping out but also increases the possibility of hanging in, implying that the blanket recommendation to farmers to diversify crop production may not attain the same benefits to all farmers. This may well be complemented with useful extension services, especially for young farming households. Overall, the study findings point to the complexity and the need for context-dependent development approaches to provide sustainable escapes from poverty.
本文研究了2007年在马拉维农村接受调查的家庭生计轨迹的决定因素,并于2018年进行了跟踪。使用一套指标,包括收入来源多样化和参与社会援助方案,将家庭置于不同的轨迹上,即退出、加强、坚持和介入。采用多项逻辑模型分析生计轨迹中安置的影响因素。我们发现,不同路径下的农户,其影响因素不尽相同。随着商业化程度的提高和显著的资产积累,家庭的地位可能会提高。此外,踏足轨迹受到初始土地持有规模的限制,但如果一个家庭有种植几种不同作物的经验,踏足轨迹就更有可能发生。我们发现,作物多样化降低了辍学的机会,但也增加了坚持下去的可能性,这意味着,对农民进行作物多样化生产的一揽子建议可能不会给所有农民带来同样的好处。这很可能辅以有用的推广服务,特别是对年轻农户。总体而言,研究结果表明,要实现可持续的脱贫,需要采用因地制宜的发展方法,这是非常复杂的。
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引用次数: 3
Reply: how a government panel on land reform in South Africa is stuck in old ways 回答:南非土地改革的政府小组是如何陷入老路的
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-01-02 DOI: 10.1080/03031853.2021.1892992
W. Sihlobo
As a member of the Presidential Advisory Panel on Land Reform and Agriculture, I am happy to respond to Prof Gran’s commentary on the work and conclusions of the panel. Before I reply in detail it is important to provide some context and background to my comments. Land reform is one of the unavoidable policy discussions that have dominated South Africa’s agricultural policy landscape over the past two decades and promises to remain part of the discussions over the foreseeable future. More so, as data continue to show that the progress made thus far on land reform falls short of the government’s 30% target at the dawn of democracy. Vink and Kirsten (2019), estimate that 20% of the targeted land has already been transferred away from white landowners to the State and black owners, and some through private and State-supported transactions including land restitution. These transfers have been through restitution, redistribution, private transactions and State procurement. Moreover, South Africa’s land reform programme continues to be marred by the poor and slow implementation, corruption and many failed farms. The failure to transfer land the State has acquired to the beneficiaries over the last 26 years can also be ascribed to the State’s unwillingness to engage the private sector, agribusiness, and existing landowners to be part of the solution. To contribute towards the better delivery of the land reform programme and address the failures mentioned above, President Cyril Ramaphosa assembled a panel of experts – The Presidential Advisory Panel on Land Reform and Agriculture (Panel), to undertake the task. The Panel’s report initially drew criticism from various farmer interest groups as it did not denounce the emerging policy proposal that South Africa should consider Expropriation of Land Without Compensation. While such critique is understandable, it shows that some critics lacked a clear understanding of the central mandate on this proposal. The Panel was tasked to outline “under what conditions should Expropriation of Land Without Compensation be applied”. It was not to ask if the Panel agreed with the proposal or not. Some scholars, such as Prof Gran, have already engaged with the details of the report and offered views on it. Prof Gran is not new in the South African land reform discussion. Some of his essential work includes the 2002 paper which explored the subject of power and trust in land politics in South Africa, arguing then that trust in government concerning land policies is waning, despite progress in the redistribution of land (Gran 2002). This time around, Gran remains sceptical about the focus of South Africa’s land reform policy proposals. Commenting on the Panel’s work, Gran points out some supposed gaps in the final report from a political economy perspective (Presidential Advisory Panel on Land Reform and Agriculture 2019). Such supposed gaps include a lack of focus on improving local democracy and the absence of insight into
作为土地改革及农业总统顾问小组的成员,我很高兴回应葛教授对小组工作和结论的评论。在我详细回答之前,重要的是提供一些背景和背景我的评论。土地改革是过去二十年来主导南非农业政策格局的不可避免的政策讨论之一,并有望在可预见的未来继续成为讨论的一部分。更重要的是,数据继续显示,到目前为止,土地改革的进展还没有达到政府在民主初期设定的30%的目标。Vink和Kirsten(2019)估计,20%的目标土地已经从白人土地所有者手中转移到国家和黑人所有者手中,其中一些是通过私人和国家支持的交易(包括土地归还)转移的。这些转移是通过归还、重新分配、私人交易和国家采购进行的。此外,南非的土地改革方案继续受到执行不力和缓慢、腐败和许多农场失败的影响。过去26年来,国家未能将获得的土地转让给受益者,也可归因于国家不愿让私营部门、农业综合企业和现有土地所有者参与解决问题。为了更好地实施土地改革计划并解决上述失败,西里尔·拉马福萨总统召集了一个专家小组-土地改革和农业总统咨询小组(小组)来承担这项任务。小组的报告最初引起了各农民利益集团的批评,因为它没有谴责南非应考虑无偿征收土地的新政策建议。虽然这种批评是可以理解的,但这表明一些批评者对这项建议的核心任务缺乏清楚的了解。小组的任务是概述“在什么条件下应适用无偿征收土地”。这并不是要问小组是否同意这项建议。格兰教授等一些学者已经开始研究报告的细节,并就此发表了看法。在南非土地改革的讨论中,格兰教授并不新鲜。他的一些重要工作包括2002年的一篇论文,该论文探讨了南非土地政治中的权力和信任问题,认为尽管在土地再分配方面取得了进展,但对政府土地政策的信任正在减弱(Gran 2002)。这一次,格兰仍然对南非土地改革政策建议的重点持怀疑态度。在评论该小组的工作时,格兰从政治经济学的角度指出了最终报告中可能存在的一些差距(2019年土地改革和农业总统顾问小组)。这些所谓的差距包括缺乏对改善地方民主的关注,以及在南非缺乏在国家和市场力量之间、自由主义和社会民主主义之间取得平衡的洞察力。据格兰说,小组提供的见解或计划有限
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引用次数: 1
Reflections on two terms as editor of Agrekon 作为《希腊》编辑的两个任期的思考
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-01-02 DOI: 10.1080/03031853.2021.1886494
N. Vink
Agrekon was finally able to operate independently from 1 April 1990, in other words from Volume 28, when the Department of Agriculture decided to pass it on to AEASA together with a generous dowry that was sufficient to carry the not inconsiderable costs of printing and distribution, etc. for the first few years. The times they were a’ changing: 2 February 1990 was a real watershed moment in South Africa, which created the circumstances for many changes that would otherwise not have been countenanced. Furthermore, with the increasing pressure to “publish or perish” came increased emphasis on independent peer review and proof of the absence of conflicts of interest. We were fortunate, because we were able to tackle these new pressures from a solid base, as the Journal was in good “academic” shape (Wissing and Groenewald 1987), all the processes and procedures for getting it out to the members of the Association were in place, and new technologies (think Microsoft Office®) were being produced and were rapidly improving. We would soon be able to produce a whole edition without the intervention of a typewriter, even if we did not have Google Translate® to assist with bilingual publication! In our editorial note in the first Agrekon of the new era (Van Zyl and Vink 1990) we noted the origins of the Journal, with the government Department of Agricultural Economics and Marketing playing a similar important role in the early years to that of the Economic Research Service USDA in the United States (Stanton 2007). We also noted the strengthening bonds between our Association and Agrekon, which manifested especially in the publication of the annual AEASA Conference papers in the year-end edition of each volume. We noted that, at that time, Agrekon was a good barometer of the state of research and the practice of agricultural economics in South(ern) Africa, but we also announced some important changes to the publication. First, the Journal was expanded to four editions a year, while the final edition would still be dedicated to the Conference proceedings. Second, there would be an expanded list of referees and a new Editorial board to reflect the new emphasis on arms-length, expert review of contributions. Third, the purpose, target audience and content were reoriented to make themmore transparent, and more reflective of the rapidly expanding membership that AEASA experienced at that time. More specifically, learning from Glenn Johnson (1987) we wanted Agrekon to cover disciplinary topics in the application of economics to problems in the farm and food sector; multidisciplinary or subject matter topics that synthesise relevant evidence and information about the sector; and problem solving in all aspects of the sector, including farm management, extension, marketing and market development and decision-making in farming, government, private enterprise and research institutions, etc. We noted the difficulty of this last type of publication, usually the purview
从1990年4月1日起,也就是从第28卷起,Agrekon终于能够独立运营,当时农业部决定将其转交给AEASA,并提供一笔丰厚的嫁妆,这笔嫁妆足以承担最初几年的印刷和分销等不小的成本。他们所处的时代正在发生变化:1990年2月2日是南非真正的分水岭时刻,这为许多原本不会得到支持的变化创造了条件。此外,随着“要么公布,要么灭亡”的压力越来越大,人们越来越重视独立的同行评审和证明不存在利益冲突。我们很幸运,因为我们能够从坚实的基础上应对这些新的压力,因为《华尔街日报》处于良好的“学术”状态(Wissing和Groenewald,1987年),将其发布给协会成员的所有流程和程序都已到位,新技术(如Microsoft Office®)正在生产并迅速改进。即使我们没有谷歌翻译®来帮助双语出版,我们也很快就能在没有打字机干预的情况下制作出完整的版本!在我们新时代的第一本《阿格雷肯》(Van Zyl和Vink 1990)的社论中,我们注意到了《华尔街日报》的起源,政府农业经济和营销部在早期发挥了与美国农业部经济研究服务部类似的重要作用(Stanton 2007)。我们还注意到,我们的协会与Agrekon之间的联系正在加强,这尤其体现在每卷年终版的年度AEASA会议论文的出版上。我们注意到,当时,阿格雷肯是南非农业经济学研究和实践状况的良好晴雨表,但我们也宣布了对该出版物的一些重要修改。首先,《日刊》扩大到每年四个版本,而最后一个版本仍将专门介绍会议记录。第二,将扩大裁判名单,并成立一个新的编辑委员会,以反映对公平和专家评审贡献的新重视。第三,重新定位了目的、目标受众和内容,使其更加透明,更能反映AEASA当时迅速扩大的会员数量。更具体地说,向Glenn Johnson(1987)学习,我们希望Agrekon涵盖经济学应用于农业和食品部门问题的学科主题;综合有关该部门的相关证据和信息的多学科或主题主题;以及该部门各方面的问题解决,包括农场管理、推广、营销和市场开发以及农业、政府、私营企业和研究机构的决策等,但我想可以公平地说,我们和我们的继任者都没有真正成功地实现这一目标,主要是因为阿格雷肯在前两种类型的捐款方面非常成功。在类似的膨胀情绪中,我们注意到知识和经济增长之间的重要联系,并在社论结尾处这样写道(Van Zyl和Vink 1990,2):“通过刺激沟通
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引用次数: 0
Determinants of livestock keepers’ primary animal health care practices 牲畜饲养者初级动物保健做法的决定因素
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-01-02 DOI: 10.1080/03031853.2021.1894190
Z. Mdlulwa, E. Mathebula, C. Ngwane
ABSTRACT Livestock production remains vulnerable to animal disease, threatening the productivity and food security of smallholder farmers. Application of primary animal health care (PAHC) practices is considered a cost-effective method for farmers to prevent and control livestock diseases. Using data collected on 593 smallholder farmers in five provinces of South Africa, this paper uses partial proportional odds (PPO) modelling to evaluate the determinants of livestock keepers’ choice of PAHC practices. Access to animal handling facilities, contact with animal health practitioners, farmers’ associations, household income and positive perceptions about vaccines had a positive influence on the farmer’s choice of PAHC practices, while negative perceptions about vaccines had a negative influence. Increased timely delivery of animal health services and provision of animal handling facilities is recommended to expedite increased farmers’ uptake of PAHC practices. Development of animal health policies using the “One Health” approach is advised to ensure a collaborative, multisectoral and transdisciplinary effort at local and national level to achieve optimal health outcomes. Use of the PPO model is a departure from the norm in the literature for determining a farmer’s adoption strategies. The model proved to be instrumental as it predicted significant variables extra to those usually applied in multinomial models.
摘要畜牧业生产仍然容易受到动物疾病的影响,威胁着小农户的生产力和粮食安全。应用初级动物保健做法被认为是农民预防和控制牲畜疾病的一种具有成本效益的方法。利用对南非五个省593名小农户收集的数据,本文使用部分比例优势(PPO)模型来评估畜牧业饲养者选择多环芳烃做法的决定因素。进入动物处理设施、与动物卫生从业者、农民协会的联系、家庭收入和对疫苗的积极看法对农民选择PAHC做法产生了积极影响,而对疫苗的消极看法则产生了负面影响。建议增加动物卫生服务的及时提供和动物处理设施的提供,以加快农民对多环芳烃做法的接受。建议使用“一个健康”方法制定动物健康政策,以确保在地方和国家层面进行合作、多部门和跨学科的努力,以实现最佳的健康结果。PPO模型的使用偏离了文献中确定农民收养策略的规范。该模型被证明是有用的,因为它预测了多项式模型中通常应用的重要变量之外的重要变量。
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引用次数: 1
How a government panel on land reform in South Africa is stuck in old ways 南非土地改革政府小组如何陷入困境
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-01-02 DOI: 10.1080/03031853.2021.1901750
T. Gran
ABSTRACT The government Panel on land reform, headed by Dr. Vuyokazi Mahlati, presents an encompassing analysis of government programmes suggesting revised and new programmes to increase the speed of land reform. This note registers that improvement of local democracy is not a variable in the report. The note suggests that the Panel is stuck in old ways, in effect a centralised planning tradition and a heavily top down governing model. It suggests that developing local municipal and amakhosi democracy might seem a detour in land politics but might actually lead to a different and more effective land reform. Such land reform will favour more dignity, creativity and trust among people and a more fair modernisation of the South African economy.
摘要由Vuyokazi Mahlati博士领导的政府土地改革小组对政府计划进行了全面分析,提出了旨在加快土地改革速度的修订和新计划。本说明表明,地方民主的改善不是报告中的一个变量。该说明表明,该小组拘泥于旧的方式,实际上是一种集中的规划传统和自上而下的管理模式。这表明,发展地方市政和阿马霍西民主似乎是土地政治中的一条弯路,但实际上可能会导致一场不同的、更有效的土地改革。这样的土地改革将有利于提高人民的尊严、创造力和信任,并有利于南非经济更公平的现代化。
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引用次数: 0
Price attributes of Döhne Merino wool in South Africa 南非Döhne美利奴羊毛的价格属性
IF 1.3 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Pub Date : 2021-01-02 DOI: 10.1080/03031853.2021.1879659
A. Ferreira, W. Lombard, Y. T. Bahta, Anton Geyer
ABSTRACT Döhne Merino sheep are a dual-purpose breed known for both good-quality meat and Merino-type wool. The objective of this study was to determine the price attributes of Döhne Merino wool in South Africa using a hedonic model and data from 83 registered Döhne Merino farmers in South Africa. The results indicated that the price of Fleece wool was most sensitive to changes in the staple strength, staple length, and fibre diameter, while clean yield had a lower impact. Fibre diameter had the largest effect on the price of Pieces wool, followed by staple strength and staple length. The Bellies wool price was very sensitive to changes in clean yield, followed by staple length. It is recommended that Döhne Merino wool with higher staple strength and longer staple length should be produced due to the price premiums that could be earned. The findings provide evidence of the demand for quality attributes associated with wool and could aid Döhne Merino wool producers in deciding how to maximise their profit. Woolgrowers and other interested stakeholders could use this information to ensure that wool quality meets market demand.
摘要Döhne美利奴羊是一种双重用途的品种,以优质的肉和美利奴型羊毛而闻名。本研究的目的是使用hedonic模型和来自83个Döhne南非注册美利奴农场主的数据来确定Döhne美利奴羊毛在南非的价格属性。结果表明,羊毛价格对短纤维强度、短纤维长度和纤维直径的变化最为敏感,而对净收率的影响较小。纤维直径对毛条价格的影响最大,其次是短纤维强度和短纤维长度。羊毛价格对清洁产量的变化非常敏感,其次是短羊毛长度的变化。由于可以获得价格溢价,建议生产短纤维强度更高、短纤维长度更长的Döhne美利奴羊毛。这一发现为人们对羊毛品质的需求提供了证据,可以帮助Döhne美利奴羊毛生产商决定如何实现利润最大化。羊毛种植者和其他感兴趣的利益相关者可以利用这些信息来确保羊毛质量满足市场需求。
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引用次数: 3
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Agrekon
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