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Agricultural Technical Change and Economic Diversity of Farm Households: The Case of Vietnam 农业技术变革与农户经济多样性:以越南为例
Pub Date : 2014-05-09 DOI: 10.2139/ssrn.2434996
H. Nguyen
This paper investigates the impacts of agricultural technical change on economic diversity of farm households in Vietnam. To develop the empirical analysis, a model is presented in which the estimated impact of agricultural technical changes on economic diversification allows for non-neutral technical change. The paper tests the theoretical predictions of this model by providing empirical evidence of the impact of land consolidation on farm and nonfarm outcomes such as labour supply, profits, labour intensity and productivity. By using different methods aimed at verifying and checking the consistency of the results, we find that land consolidation may reduce on farm labour supply, labour intensity and improve farm profits and productivity. Similarly, it may release more farm labour to nonfarm sectors and increase nonfarm profits. The empirical results show that factor-biased technical change plays an important role in explaining the impact of agricultural technical change on economic diversification in Vietnam.
本文研究了越南农业技术变革对农户经济多样性的影响。为了发展实证分析,提出了一个模型,其中农业技术变化对经济多样化的估计影响允许非中性技术变化。本文通过提供土地整理对农业和非农产出(如劳动力供给、利润、劳动强度和生产率)影响的实证证据,对该模型的理论预测进行了检验。通过不同的方法对结果的一致性进行验证和检验,我们发现土地整理可能会减少农场劳动力供给,劳动强度,提高农场利润和生产力。同样,它可能会向非农业部门释放更多的农业劳动力,增加非农业部门的利润。实证结果表明,越南农业技术变革对经济多元化的影响具有因素偏倚性。
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引用次数: 2
Trade and Intellectual Property Rights in the Agricultural Seed Sector 农业种子部门的贸易和知识产权
Pub Date : 2013-07-25 DOI: 10.2139/ssrn.2323595
D. Eaton
The Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) has continued to be fiercely debated between North and South, particularly with respect to its provisions for the agricultural sector. Article 27.3(b) of the TRIPS Agreement requires WTO member countries to offer some form of intellectual property protection for new plant varieties, either in the form of patents (common in the U.S.) or plant breeder’s rights (PBR). This paper analyses the effects of the introduction of PBRs in almost 70 importing countries on the value of exports of agricultural seeds and planting material from 10 exporting EU countries, including all principal traditional exporters of seeds, as well as the US. A fixed effects quantile regression model, based on the general specification for the gravity model for international trade, is estimated using panel data covering 19 years (1989-2007) of export flows in order to assess the effect of International Convention on the Protection of New Varieties of Plants (UPOV) membership on seed imports. Basing inference on the panel bootstrap, we find no significant effect from UPOV membership on seed imports.
《与贸易有关的知识产权协定》(TRIPS)继续在南北之间进行激烈辩论,特别是关于其对农业部门的规定。《与贸易有关的知识产权协定》第27.3(b)条要求世贸组织成员国为新的植物品种提供某种形式的知识产权保护,要么以专利的形式(在美国很常见),要么以植物育种者权利的形式(PBR)。本文分析了近70个进口国引进pbr对10个欧盟出口国(包括所有主要的传统种子出口国以及美国)农业种子和种植材料出口价值的影响。为了评估加入《国际植物新品种保护公约》(UPOV)对种子进口的影响,基于国际贸易重力模型通用规范,利用涵盖19年(1989-2007)出口流量的面板数据,建立了固定效应分位数回归模型。基于面板自举的推断,我们发现UPOV隶属度对种子进口量没有显著影响。
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引用次数: 15
Typology of Farm Households and Irrigation Systems: Some Evidence from Nigeria 农户和灌溉系统的类型:来自尼日利亚的一些证据
Pub Date : 2013-04-01 DOI: 10.2139/ssrn.2286862
Hiroyuki Takeshima, Hyacinth O. Edeh
Irrigation is considered an important factor for agriculture and food security. Knowledge gaps, however, still exist with regard to how farmers in Africa south of Sahara, including Nigeria, are using irrigation. Given the diverse agroecological and socioeconomic environment in countries like Nigeria, understanding the diverse patterns of irrigation use and their associations with household characteristics is important in designing how irrigation can contribute to the agricultural transformation. This report summarizes the typology of farm households and irrigators in Nigeria. We apply a cluster analysis method to the Living Standard Measurement Survey (LSMS) — Integrated Survey on Agriculture data and various secondary data. We also compare the costs and inputs used across different irrigation crops, as reported in Nigeria. Findings indicate that the three major irrigation systems in Nigeria are (1) labor-intensive diverted stream irrigation of rice, (2) supplementary irrigation of coarse grains and legumes using groundwater, and (3) dry season irrigation of vegetables. Each crop is irrigated during a specific season and using a specific water source and irrigation system. Farmers’ choice of irrigation system tends to depend on many factors. For example, in the South, tractorization is often a necessary precondition for rice irrigation. In the North, intensive irrigation of rice and vegetables may make sense only if labor is cheap, whereas irrigation of sorghum and legumes is supplementary and may not affect farm households’ behaviors. Although more rigorous studies are needed in the future, observed patterns of irrigation use in Nigeria indicate that the policies aiming to raise agricultural productivity and to develop the value chains of key crops may need to be based on an understanding of why irrigation is used in specific ways in different systems and of what the key constraints in scaling up such systems in other locations are.
灌溉被认为是农业和粮食安全的重要因素。然而,在包括尼日利亚在内的撒哈拉以南非洲的农民如何使用灌溉方面,知识差距仍然存在。考虑到尼日利亚等国农业生态和社会经济环境的多样性,了解灌溉使用的多样化模式及其与家庭特征的关系,对于设计灌溉如何促进农业转型至关重要。本报告总结了尼日利亚农户和灌溉人员的类型。我们将聚类分析方法应用于生活水平测量调查(LSMS) -农业数据和各种次要数据的综合调查。我们还比较了不同灌溉作物的成本和投入,如尼日利亚的报告。研究结果表明,尼日利亚的三大灌溉系统是:(1)劳动密集型水稻改道灌溉,(2)利用地下水对粗粮和豆类进行补充灌溉,(3)旱季蔬菜灌溉。每种作物在特定的季节灌溉,使用特定的水源和灌溉系统。农民对灌溉系统的选择往往取决于许多因素。例如,在南方,拖拉机化往往是水稻灌溉的必要先决条件。在北方,水稻和蔬菜的密集灌溉只有在劳动力廉价的情况下才有意义,而高粱和豆类的灌溉是补充的,可能不会影响农户的行为。尽管未来还需要进行更严格的研究,但观察到的尼日利亚灌溉使用模式表明,旨在提高农业生产力和发展关键作物价值链的政策可能需要基于对灌溉在不同系统中以特定方式使用的原因的理解,以及在其他地方扩大此类系统的主要限制是什么。
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引用次数: 31
Influence of the Common Agricultural Policy and Heterogeneous Land Quality on Land Rent and Land Allocation 共同农业政策和异质土地质量对地租和土地配置的影响
Pub Date : 2013-03-01 DOI: 10.22004/AG.ECON.146963
P. Feichtinger, K. Salhofer
Against the background of the current discussion about the EU’s common agricultural policy (CAP) after 2013, the question of the impact of government support on land prices is crucially important. Validation of the CAP’s success also hinges on a proper assessment of a choice of policy instruments. This study therefore has the objective of investigating on a theoretical basis the effects of different government support measures on land rental prices and land allocation. The different measures under consideration are the price support, area payments and decoupled single farm payments (SFPs) of the CAP. Our approach evaluates the potential impact of each measure based on a Ricardian land rent model with heterogeneous land quality and multiple land uses. We start with a simple model of one output and two inputs, where a Cobb-Douglas production technology is assumed between the two factors of land and non-land inputs. In a second step, an outside option is introduced. This outside option, as opposed to land use of the Ricardian type, is independent of land quality. The results show that area payments and SFPs become fully capitalised into land rents, whereas in a price support scheme the capitalisation depends on per-acreage productivity. Moreover, in a price support scheme and a historical model, the capitalisation is positively influenced by land quality. Both area payments and price supports influence land allocation across different uses compared with no subsidies, where the shift tends to be larger in an area payment scheme than in a price support scheme. By contrast, SFPs do not influence land allocation.
在当前关于2013年后欧盟共同农业政策(CAP)的讨论背景下,政府支持对土地价格的影响问题至关重要。CAP成功与否还取决于对政策工具选择的正确评估。因此,本研究的目的是在理论基础上考察不同政府支持措施对土地租赁价格和土地分配的影响。考虑的不同措施是CAP的价格支持、面积支付和解耦的单一农场支付(SFPs)。我们的方法基于具有异质土地质量和多种土地用途的李嘉图土地租金模型来评估每种措施的潜在影响。我们从一个简单的一个产出和两个投入的模型开始,其中假设在土地和非土地投入这两个因素之间存在柯布-道格拉斯生产技术。在第二步中,引入外部选项。与李嘉图类型的土地利用相反,这种外部选择与土地质量无关。结果表明,面积支付和SFPs完全资本化为土地租金,而在价格支持方案中,资本化取决于每英亩生产率。此外,在价格支持方案和历史模型中,资本受到土地质量的积极影响。与没有补贴相比,面积支付和价格支持都会影响不同用途的土地分配,面积支付方案的变化往往比价格支持方案的变化更大。相比之下,SFPs不会影响土地分配。
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引用次数: 0
The Impact of EU Accession on the Marketing Strategies of Polish Food Companies 加入欧盟对波兰食品企业营销策略的影响
Pub Date : 2012-08-03 DOI: 10.1108/00070701211252129
P. Bryła
Purpose – The purpose of this paper is to examine major marketing developments in the Polish food‐processing sector following the EU accession. The aim is to discern the impact of EU integration on several variables characterising the marketing and business strategies; to determine the sources of competitive advantage on the domestic market and abroad; and to distinguish the most popular development directions.Design/methodology/approach – The paper is based on the author's research study. A postal questionnaire survey was conducted among 780 food‐processing companies located in Poland and 30 interviews were conducted with representatives of the industry participating in the International Trade Fair Polagra in Poznan.Findings – There was a systematic growth of export orientation in the study sample after joining the EU. The representatives of the industry usually pointed out either a positive or neutral country‐of‐origin effect. The crucial sources of competitive advantage differed according to the target...
目的-本文的目的是研究加入欧盟后波兰食品加工部门的主要营销发展。目的是辨别欧盟一体化对表征营销和商业战略的几个变量的影响;确定企业在国内外市场的竞争优势来源;并区分出最热门的发展方向。设计/方法论/方法-本文基于作者的研究研究。我们对位于波兰的780家食品加工公司进行了邮政问卷调查,并对参加波兹南Polagra国际贸易博览会的行业代表进行了30次访谈。研究结果-加入欧盟后,研究样本中出口导向有系统的增长。行业代表通常指出,原产国效应要么是正面的,要么是中性的。竞争优势的关键来源因目标而异。
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引用次数: 18
Factors Underlying Communal Beef Cattle Marketing Decisions in Botswana: The Role of Public and Private Transfers 博茨瓦纳公共肉牛营销决策的潜在因素:公共和私人转让的作用
Pub Date : 2011-08-01 DOI: 10.2139/ssrn.2686492
Tebogo Bruce Seleka
This article examines factors underlying communal beef cattle marketing at a household level in Botswana, with emphasis placed on the role of public and private transfers. Results show that public and private transfers (pensions, remittances, government food rations, and food supplies from friends and relatives) discourage cattle marketing. Thus, while they are important sources of household food security, cash and food transfers may adversely impact on beef export performance in Botswana. It is therefore fundamental that public transfer programmes are well targeted to needy and poor households, in order to minimize their adverse effects on the cattle industry. On the positive side, the paper argues that public transfer programmes may assist poor farmers rebuild their cattle and other livestock inventory, contributing to transition out of inter-generational poverty.
本文考察了博茨瓦纳家庭一级公共肉牛营销的潜在因素,重点是公共和私人转让的作用。结果表明,公共和私人转移(养老金、汇款、政府口粮和亲友提供的粮食)阻碍了牛的销售。因此,虽然现金和粮食转移是家庭粮食安全的重要来源,但它们可能对博茨瓦纳的牛肉出口业绩产生不利影响。因此,至关重要的是,公共转让方案必须明确针对贫困家庭,以便尽量减少它们对养牛业的不利影响。从积极的方面来看,该论文认为,公共转移支付计划可以帮助贫困农民重建他们的牛和其他牲畜库存,有助于摆脱代际贫困。
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引用次数: 7
The Analysis of the Export Competitiveness of the EU Food Manufacturing Sector1 欧盟食品制造业出口竞争力分析
Pub Date : 2011-04-06 DOI: 10.2139/ssrn.2232647
Heri Bezic, Igor Cvečić, Tomislav Galović
The food industry is one of Europe's most important and dynamic industrial sectors. The degree of competitiveness of the food manufacturing sector in 27 EU countries is analysed empirically, using Eurostat and other relevant data. The EU food industry is currently confronted with several main challenges: high food prices on world markets, administrative burdens and lack of innovation. The main aim of this article is to explore and explain the crucial role of food industry and provide a complete analysis of the comparative advantage and the overall export competitiveness of the mentioned subsector. The methodology of the paper is based on applying indicators of comparative advantage, industry trade and export competitiveness.
食品工业是欧洲最重要和最具活力的工业部门之一。利用欧盟统计局和其他相关数据,对27个欧盟国家食品制造业的竞争力程度进行了实证分析。欧盟食品工业目前面临着几个主要挑战:世界市场上的高食品价格,行政负担和缺乏创新。本文的主要目的是探讨和解释食品工业的关键作用,并提供一个完整的比较优势和上述子部门的整体出口竞争力的分析。本文的研究方法基于比较优势、产业贸易和出口竞争力指标的应用。
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引用次数: 1
Fishy Issues: The U.S. Shrimp Antidumping Case 渔业问题:美国虾类反倾销案
Pub Date : 2009-07-14 DOI: 10.1108/case.darden.2016.000123
P. Debaere
This case features a prominent antidumping case in the United States against six of its major foreign shrimp suppliers. The case fits well in a discussion and analysis of the (welfare) consequences of protectionism, the basic case for free trade, and the political economy of protectionism. Excerpt UVA-G-0600 Rev. July 14, 2009 Fishy Issues: The U.S. Shrimp Antidumping Case In the fall of 2002, the Southern Shrimp Alliance (SSA), a coalition of shrimp vessel owners and processors, was formed to fight what it called unfair competition from developing countries. The SSA represented eight southern states: Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, and Texas. In December 2003, the alliance called for punitive tariffs against the main importers of shrimp to the United States: Thailand, Vietnam, India, Brazil, Ecuador, and China (Exhibit 1). The tariffs it requested ranged from 30% to 349%. The actions by the SSA constituted the broadest trade complaint since the Bush administration had imposed tariffs on imports of foreign steel in 2002. SSA members argued that they were driven out of business by the artificially low prices that these exporters charged in U.S. markets. The SSA's petition led to a showdown with U.S. seafood distributors, retailers, restaurateurs, and other businesses involved in shrimp processing and marketing, as well as with the targeted countries. Those parties opposed higher tariffs and accused the United States of blatant protectionism. They argued that the lower shrimp prices offered by developing countries' exporters were evidence of their comparative advantage in producing shrimp. In the words of Wally Stevens, president of the American Seafood Distributors Association: “These duties will do nothing to make the domestic shrimpers more competitive.” Trends in the Shrimp Market The global shrimp market had changed dramatically since the 1950s. Exhibit 2 presents estimates by the Food and Agriculture Organization of the United Nations (FAO) that illustrate the worldwide expansion of shrimp production and consumption. Worldwide production of shrimp increased from 0.31 million to 3.8 million tons between 1950 and 2002. Of particular interest was the changing distribution of production during that period as shown in Exhibit 3. Developing countries' share of shrimp production increased consistently, and that of the main consumers of shrimp—in particular Japan, the United States, and Europe—steadily decreased. One study estimated that Japan, Europe, and the United States consumed some 60% of world production in 2000. . . .
本案的特点是美国针对其六个主要外国虾供应商的著名反倾销案。这个案例非常适合讨论和分析保护主义的(福利)后果、自由贸易的基本案例以及保护主义的政治经济学。渔业问题:美国虾类反倾销案2002年秋天,由虾类船主和加工商组成的联盟南方虾类联盟(SSA)成立,旨在打击其所谓的来自发展中国家的不公平竞争。SSA代表八个南方州:阿拉巴马州、佛罗里达州、佐治亚州、路易斯安那州、密西西比州、北卡罗来纳州、南卡罗来纳州和德克萨斯州。2003年12月,该联盟呼吁对美国虾类的主要进口国泰国、越南、印度、巴西、厄瓜多尔和中国征收惩罚性关税(表1)。该联盟要求的关税从30%到349%不等。自2002年布什政府对进口钢铁征收关税以来,SSA的行动构成了最广泛的贸易申诉。SSA成员认为,他们被这些出口商在美国市场上人为压低的价格赶出了市场。SSA的请愿导致了与美国海鲜分销商、零售商、餐馆老板和其他涉及虾加工和营销的企业以及目标国家的摊牌。这些政党反对提高关税,并指责美国公然实行保护主义。他们认为,发展中国家出口商提供的较低虾价证明了它们在生产虾方面的比较优势。用美国海产品经销商协会(American Seafood Distributors Association)主席沃利•史蒂文斯(Wally Stevens)的话来说:“这些关税对提高国内捕虾企业的竞争力毫无帮助。”自20世纪50年代以来,全球虾市场发生了巨大变化。表2列出了联合国粮食及农业组织(粮农组织)的估计数,说明了虾的生产和消费在世界范围内的扩大。从1950年到2002年,全世界虾的产量从31万吨增加到380万吨。特别令人感兴趣的是这一时期生产分配的变化,如表3所示。发展中国家在虾产量中所占的份额持续增加,而虾的主要消费国——特别是日本、美国和欧洲——所占的份额则稳步下降。一项研究估计,日本、欧洲和美国在2000年消耗了世界产量的60%左右. . . .
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引用次数: 2
Agricultural Policy Reforms and Food Poverty Dynamics in Côte D’Ivoire 农业政策改革和粮食贫困动态Côte科特迪瓦
Pub Date : 2008-09-01 DOI: 10.2139/ssrn.3171562
Kouadio Arsène, M. Vincent, G. Mamadou
The main objective of this paper is to show how relevant is the incentive policy to agricultural investments for food poverty reduction towards agricultural households. The data used for this study are from the 1985-1988 CI-LSMS and the 1998 National Statistics Institute’s Household Surveys. We estimate a model of Rotating Panel to stress on the State intervention for food poverty reduction through private agricultural investment. The itinerary analysis of the households classified food poor or not food poor according to the necessary and advised caloric threshold allows to observe the living standards of agricultural households between 1985 and 1988. The computed results support that using State intervention to provide agricultural services improves the caloric intake of the agricultural households through the private investment incentive. On the contrary, the progressive withdrawal of the State at the end of 1986 pushed down the daily consumption of several households below the recommended caloric threshold. These outcomes suggest that the debate on suppressing or not suppressing State agricultural subsidies in the poor countries be revisited.
本文的主要目的是表明,激励政策与农业投资对农户的粮食减贫有多大的相关性。本研究使用的数据来自1985-1988年CI-LSMS和1998年国家统计局的住户调查。我们估计,一个轮换小组模型将强调通过私人农业投资减少粮食贫困的国家干预。通过对农户的行程分析,根据必要的和建议的热量阈值对粮食贫困和非粮食贫困进行分类,可以观察1985 - 1988年农户的生活水平。计算结果支持国家干预提供农业服务通过私人投资激励提高农户热量摄入。相反,国家在1986年年底逐步退出,使几个家庭的每日消费量降至建议的热量阈值以下。这些结果表明,关于抑制或不抑制贫穷国家国家农业补贴的辩论应该重新讨论。
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引用次数: 0
Global Rules, Patent Power and Our Food Future: Controlling the Food System in the 21st Century 全球规则,专利权和我们的食品未来:控制21世纪的食品系统
Pub Date : 2006-04-01 DOI: 10.2139/SSRN.923771
G. Tansey
The rules affecting our food future have been rewritten since the early 1990s, often in remote international bodies. This paper briefly outlines the nature of today's food system, discusses some of these rules and focuses on the dynamics of rule making in the World Trade Organisation, in particular around patent, plant variety protection, trademark, copyright and other forms of 'intellectual property' and their impact on our food future. It draws on work with negotiators dealing with the Trade-Related Aspects of Intellectual Property Rights Agreement (TRIPS) in WTO and its role in globalisation.
自20世纪90年代初以来,影响我们食品未来的规则已经被重写,通常是在遥远的国际机构中。本文简要概述了当今食品系统的性质,讨论了其中一些规则,并重点介绍了世界贸易组织规则制定的动态,特别是围绕专利、植物品种保护、商标、版权和其他形式的“知识产权”及其对我们食品未来的影响。它借鉴了世贸组织中与贸易有关的知识产权协定(TRIPS)谈判代表的工作及其在全球化中的作用。
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引用次数: 3
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Food Laws
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