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Price relationships along the Norwegian salmon value chains: A comparative study of the leading consumption market in France and the largest processing industry in Poland 挪威三文鱼价值链的价格关系:法国主要消费市场和波兰最大加工业的比较研究
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-08-03 DOI: 10.1080/13657305.2022.2104403
M. Svanidze, Guðrún Ólafsdóttir, I. Đurić, M. Thakur
Abstract This study investigates price relationships along the Norwegian salmon value chains in France, the EU’s leading consumption market for salmon, and Poland, the EU’s largest “processing hub.” Using a vector error correction model framework, our results indicate that the salmon price determination is a supplier-driven process, with the export prices in Norway influencing prices in France and Poland, but not vice versa. Results also suggest that price linkages are strong between the export market in Norway and the retail market in France and the processing industry in Poland; however, the Polish retail sector is separated from markets at the upstream level, while price discovery at the French wholesale market is dominated by the retail market. Our findings imply that the evolved market structures lead to efficiently functioning retail markets in France and wholesale markets in Poland, but put the French wholesale and Polish retail markets at a disadvantage.
本研究调查了挪威三文鱼价值链在欧盟最大的三文鱼消费市场法国和欧盟最大的“加工中心”波兰的价格关系。使用矢量误差修正模型框架,我们的研究结果表明,三文鱼的价格决定是一个供应商驱动的过程,挪威的出口价格影响法国和波兰的价格,反之亦然。结果还表明,挪威的出口市场与法国的零售市场和波兰的加工业之间的价格联系很强;然而,波兰零售部门与上游市场分离,而法国批发市场的价格发现则由零售市场主导。我们的研究结果表明,市场结构的演变导致了法国零售市场和波兰批发市场的有效运作,但却使法国批发市场和波兰零售市场处于劣势。
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引用次数: 3
A comparison of mixed logit and latent class models to estimate market segments for seafood faced with ocean acidification 混合logit和潜在类模型的比较,以估计面临海洋酸化的海产品市场细分
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-07-29 DOI: 10.1080/13657305.2022.2100005
Nelyda Campos-Requena, Felipe Vásquez-Lavín, Francisco Fernández, Manuel Barrientos, S. Gelcich, Roberto D. Ponce Oliva
Abstract This study uses a choice experiment to characterize market segments (consumer preferences heterogeneity) based on three attributes of seafood (mussels) that are affected by ocean acidification: shell appearance, meat color, and nutritional composition. Using a sample of 1,257 individuals from two main cities in Chile, we estimate both the Mixed Logit model and the Latent Class model. We use the individual-specific posterior (ISP) parameters’ distribution to categorize consumers’ heterogeneity based on the signs and intensity (i.e., like or dislike dimension) of these ISPs. We compare the pattern of preferences and whether people are classified within the same preference pattern in both models. In general, we observed that the models identify a different number of segments with various patterns of preferences. Moreover, the models classify the same people into different groups. Since the segmentation is sensitive to the chosen model, we discuss strengths, inconsistencies, biases, and best practices regarding methodological approaches to establishing market segments in choice experiments and future ocean acidification conditions.
摘要本研究采用选择实验方法,基于受海洋酸化影响的海鲜(贻贝)的三个属性:外壳外观、肉色和营养成分,来表征市场细分(消费者偏好异质性)。使用来自智利两个主要城市的1,257个人的样本,我们估计了混合Logit模型和潜在类别模型。我们使用个体特定后验(ISP)参数的分布,根据这些ISP的标志和强度(即喜欢或不喜欢的维度)对消费者的异质性进行分类。我们比较了偏好的模式,以及在两个模型中人们是否属于相同的偏好模式。总的来说,我们观察到,这些模型确定了不同数量的具有不同偏好模式的细分市场。此外,这些模型将同一个人分为不同的组。由于分割对所选择的模型很敏感,我们讨论了在选择实验和未来海洋酸化条件下建立市场细分的方法方法的优势、不一致、偏差和最佳实践。
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引用次数: 1
Assessing fish farm economic performance and access to financial services nexus: Empirical evidence from Ghana 评估养鱼场经济绩效和获得金融服务的联系:来自加纳的经验证据
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-07-19 DOI: 10.1080/13657305.2022.2099480
Martinson Ankrah Twumasi, Dennis Asante, I. Asante, B. Addai, Yuansheng Jiang
Abstract This study assesses the factors influencing of access to financial services (AFS) and its impact on fish farm economic performance by employing a multiple-stage random sampling approach to sample 131 fish farms from two regions in Ghana. We accounted for the selection bias issue using the endogenous treatment regression model. The results reveal that factors such asgender, education, fish farm size, asset ownership, off-farm work, and distance influence farmers' access to financial services. The result also showed that AFS improves fish farm economic performance. Moreover, we observe that female farmers and high-income households with access to financial services have higher fish yields and net returns than their counterparts. The study’s findings have provided evidence that AFS can be a transmission route in the efforts to enhance aquaculture development in the nation. Our results serve as a call to the government and policymakers to provide strategies and methods to make financial services accessibility easy and straightforward.
摘要本研究采用多阶段随机抽样方法,对加纳两个地区的131个渔场进行了抽样,评估了影响获得金融服务的因素及其对渔场经济绩效的影响。我们使用内生治疗回归模型解释了选择偏差问题。研究结果表明,性别、教育程度、渔场规模、资产所有权、非农工作和距离等因素会影响农民获得金融服务的机会。结果还表明,AFS提高了养鱼场的经济效益。此外,我们观察到,有机会获得金融服务的女性农民和高收入家庭的鱼类产量和净回报率高于同行。这项研究的发现提供了证据,证明AFS可以成为促进该国水产养殖发展的一种传播途径。我们的研究结果呼吁政府和政策制定者提供战略和方法,使金融服务变得简单明了。
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引用次数: 4
Dynamics of price volatility spillover in the U.S. catfish market 美国鲶鱼市场价格波动外溢动态分析
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-07-03 DOI: 10.1080/13657305.2022.2074171
Prasanna Surathkal, M. Dey, Pratheesh O. Sudhakaran
Abstract The U.S. catfish aquaculture industry is arguably one of the earliest aquaculture segments in the world to industrialize, and a pioneer in demonstrating the benefits of innovation-driven aquaculture supply chain development over wild-harvested fisheries. However, the industry substantially contracted through the 2003–2013 period. High and volatile feed prices, volatile farm prices, a rapid surge in low-priced imports, and a strict regulatory compliance burden on a maturing industry are thought to be some of the major factors causing this decline. We analyze the price volatility spillovers in the U.S. catfish industry and the related feed/feed ingredient markets. Our empirical model is the multivariate generalized autoregressive conditional heteroscedasticity (GARCH) model allowing for cross-market and own-market impacts from shocks and volatilities in prices. Our results indicate bidirectional spillovers among catfish market prices and most of the feed ingredient prices.
美国鲶鱼养殖业可以说是世界上最早实现工业化的水产养殖领域之一,也是展示创新驱动的水产养殖供应链发展相对于野生捕捞渔业效益的先驱。然而,该行业在2003-2013年期间大幅收缩。高企且波动的饲料价格、不稳定的农场价格、低价进口产品的迅速激增,以及成熟产业面临的严格监管合规负担,被认为是导致这种下降的一些主要因素。我们分析了美国鲶鱼产业和相关饲料/饲料原料市场的价格波动溢出效应。我们的经验模型是多元广义自回归条件异方差(GARCH)模型,考虑了价格冲击和波动对跨市场和自身市场的影响。研究结果表明,鲶鱼市场价格与大部分饲料原料价格存在双向溢出效应。
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引用次数: 3
Seafood markets in transition 转型中的海鲜市场
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-07-03 DOI: 10.1080/13657305.2022.2102091
Hans‐Martin Straume, Pratheesh O. Sudhakaran
This special issue of Aquaculture Economics & Management features fives articles based on the 25 contributions presented at the International Association of Aquaculture Economics and Management (IAAEM) spon-sored section on economics and marketing at the Aquaculture America conference in San Antonio, August 11 – 14, 2021. This was a very good turn-out for one of the first aquaculture conference following the Covid-19 pandemic. The contributions covered topics on different farmed species groups and with a global scope. The section provided an arena to discuss issues related to risk management, regulations, trade, seafood certification, consumers ’ preferences, market integration, product differentiation, mari-culture tourism, food security, effects and contribution of aquaculture to the regional economy. The papers in this special issue reflect a variety of topics also seen in the section during the conference.
本期《水产养殖经济与管理》特刊收录了五篇文章,这些文章基于2021年8月11日至14日在圣安东尼奥举行的美国水产养殖大会上国际水产养殖经济和管理协会(IAAEM)关于经济和营销的专题部分上发表的25篇文章。对于新冠肺炎大流行后的第一次水产养殖会议之一来说,这是一个非常好的结果。这些贡献涵盖了不同养殖物种群的主题,涉及全球范围。该节提供了一个讨论与风险管理、法规、贸易、海鲜认证、消费者偏好、市场整合、产品差异化、海水养殖旅游、粮食安全、水产养殖对区域经济的影响和贡献有关的问题的场所。本期特刊中的论文反映了会议期间该部分中的各种主题。
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引用次数: 1
A tribute to Professor Clem Tisdell (1939 to 2022), founding coeditor of Aquaculture Economics & Management and member of the organizing team of the International Association of Aquaculture Economics & Management 谨向《水产养殖经济与管理》的创始共同编辑、国际水产养殖经济与管理协会组织小组成员克莱姆·蒂斯德尔教授(1939年至2022年)致敬
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-07-03 DOI: 10.1080/13657305.2022.2107117
C. Engle, P. Leung
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引用次数: 0
Shrimp export competitiveness and its determinants: a novel dynamic ARDL simulations approach 虾出口竞争力及其决定因素:一种新的动态ARDL模拟方法
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-06-24 DOI: 10.1080/13657305.2022.2089772
M. Khan, M. Hossain, Md. Sayemul Islam, Md. Takibur Rahman, M. Dey
Abstract This study aims to explore the shrimp export competitiveness of Bangladesh, China, India, Indonesia, Thailand, and Vietnam time spanning from 1990 to 2019. However, emphasizing Bangladesh as a case country, this research looks into the factors influencing shrimp export competitiveness taking into account macroeconomic and policy variables. To do so, we used the recently developed Revealed Symmetric Comparative Advantage (RSCA) index to quantify export competitiveness, while a novel dynamic autoregressive distributed lag (ARDL) simulation approach to determine the factors driving shrimp export competitiveness. The findings show that all of the aforementioned countries seem to have some degree of shrimp export competitiveness during the study period, whereas Chain has entirely lost its export competitiveness after 2004. However, Bangladesh's shrimp export competitiveness has dipped marginally in recent years, despite continuous growth in competitor countries such as India, Indonesia, and Vietnam. Further, economic globalization, institutional quality, trade openness, number of trade agreements, and trade freedom all have a favorable impact on Bangladesh’s shrimp export competitiveness in the long-run, whereas the international or exporting price of shrimp has a detrimental influence in short-and long-run. Finally, these findings may have implications for a future shrimp export from Bangladesh and some policy recommendation are presented.
摘要本研究旨在探讨1990年至2019年孟加拉国、中国、印度、印度尼西亚、泰国和越南的虾出口竞争力。然而,本研究强调孟加拉国是一个案例国家,考虑到宏观经济和政策变量,探讨了影响虾出口竞争力的因素。为此,我们使用最近开发的揭示对称比较优势(RSCA)指数来量化出口竞争力,同时使用一种新的动态自回归分布滞后(ARDL)模拟方法来确定驱动虾出口竞争力的因素。研究结果表明,在研究期间,上述所有国家似乎都具有一定程度的虾出口竞争力,而Chain在2004年后完全失去了出口竞争力。然而,尽管印度、印度尼西亚和越南等竞争国家的虾出口持续增长,但孟加拉国的虾出口竞争力近年来略有下降。此外,从长远来看,经济全球化、制度质量、贸易开放、贸易协议数量和贸易自由都对孟加拉国的虾出口竞争力产生了有利影响,而虾的国际或出口价格在短期和长期内都会产生不利影响。最后,这些发现可能对孟加拉国未来的虾出口产生影响,并提出了一些政策建议。
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引用次数: 5
Do Chilean imports lead prices in the EU mussel market? 从智利进口的贻贝在欧盟市场上价格领先吗?
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-06-22 DOI: 10.1080/13657305.2022.2089771
L. Salazar, J. Dresdner
Abstract The impact that added competition of imported mussels from Chile might have had on market prices is one of the main reasons given to explain the decrease in the economic performance of the mussel aquaculture sector in the European Union (EU) in the last two decades. This hypothesis has not yet been tested. In this article we test empirically for price leadership and market integration in the EU mussel market. We estimate a cointegrated vector autoregressive (CVAR) model for the French, Italian, and Spanish mussel import markets and test for price leadership. The results indicate that the import prices of Chile, Belgium, Spain, Ireland, Italy and the Netherlands are determined within a fully integrated market, so prices are proportional over time. All countries follow the lead of Chilean mussel prices in the French market, which are on average among the lowest of the main importers in this market. These results support the opinion that added competition from Chilean mussels may have contributed to the low prices in the EU market.
从智利进口贻贝的竞争加剧可能对市场价格产生影响,这是过去二十年来欧盟贻贝养殖部门经济表现下降的主要原因之一。这一假设尚未得到证实。本文对欧盟贻贝市场的价格领导和市场整合进行了实证检验。我们估计了法国、意大利和西班牙贻贝进口市场的协整向量自回归(CVAR)模型,并测试了价格领导。结果表明,智利、比利时、西班牙、爱尔兰、意大利和荷兰的进口价格是在一个完全一体化的市场内确定的,因此价格随时间成正比。所有国家都以智利贻贝在法国市场的价格为榜样,在法国市场的主要进口国中,智利贻贝的平均价格是最低的。这些结果支持了这样一种观点,即来自智利贻贝的竞争可能导致了欧盟市场的低价格。
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引用次数: 2
The São Paulo wholesale seafood market: A study of fish prices in Brazil 圣保罗海鲜批发市场:巴西鱼类价格研究
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-06-08 DOI: 10.1080/13657305.2022.2079762
R. Pincinato, Atle Oglend, Renata Melon Barroso Bertolini, A. E. Muñoz
Abstract We analyze fish pricing in the São Paulo wholesale market, the second largest seafood market in South America. Quantitative price analysis is complemented by interviews with participants in the value chain to answer how the multitude of fish products supplied in this market are related and the challenges facing future growth. The results reveal a clear separate pricing of domestically produced fishery species (whitefish and pelagics) from the internationally traded aquaculture species (tilapia and salmon). Tilapia and salmon are uniquely priced, less volatile and more persistent with a price dynamic more akin to local terrestrial meats. Fishery prices show large month-by-month fluctuations and compete more with each other. Participants in the different levels of the value chain corroborate the uniqueness of salmon and state a preference for stable availability and low prices, with less concern about the specific sourcing of fish (aquaculture/fisher, or domestic/imported).
摘要:本文分析了南美第二大海鲜市场圣保罗批发市场的鱼类价格。定量价格分析辅以对价值链参与者的访谈,以回答这个市场中供应的众多鱼类产品是如何相互关联的,以及未来增长面临的挑战。结果表明,国内生产的渔业物种(白鱼和远洋鱼类)与国际贸易的水产养殖物种(罗非鱼和鲑鱼)的定价明显不同。罗非鱼和鲑鱼的定价独特,波动性较小,且更持久,价格动态更类似于当地陆生肉类。渔业价格逐月波动较大,相互竞争加剧。价值链不同层次的参与者证实了鲑鱼的独特性,并表示更倾向于稳定的供应和低价格,而不太关心鱼的具体来源(水产养殖/捕捞,或国内/进口)。
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引用次数: 6
Consumers’ willingness-to-pay for newly developed U.S. farm-raised convenient catfish products: A consumer-based survey study 消费者愿意为新开发的美国农场养殖的方便鲶鱼产品付费:一项基于消费者的调查研究
IF 3.9 2区 经济学 Q1 Agricultural and Biological Sciences Pub Date : 2022-04-22 DOI: 10.1080/13657305.2022.2060374
K. Gosh, U. Deb, M. Dey
Abstract Accurately measuring willingness-to-pay (WTP) for newly developed food products is critical for academicians and marketing managers. This study measures consumers’ preference and WTP for five newly developed convenient (ready-to-cook) catfish products by surveying 128 participants from Arkansas and Florida. An ordered probit model was applied to survey data to investigate factors influencing consumers’ WTP. Results indicated that the surveyed participants preferred all the inspected products as their WTP was ranged between average and high. The significant variables affecting the participants’ WTP include product appearance, eagerness to buy, preference ranking, preferred form, and consumption pattern. The consumer’s WTP was significantly correlated with the participant’s gender, age, race, and for some groups, income.
准确测量新开发食品的支付意愿(WTP)对于学术界和营销管理者来说至关重要。这项研究通过调查来自阿肯色州和佛罗里达州的128名参与者来衡量消费者对五种新开发的方便(即食)鲶鱼产品的偏好和WTP。采用有序概率模型对调查数据进行分析,探讨消费者WTP的影响因素。结果表明,被调查的参与者更喜欢所有被检查的产品,因为他们的WTP介于平均和高之间。影响被试WTP的显著变量包括产品外观、购买意愿、偏好等级、偏好形式和消费模式。消费者的WTP与参与者的性别、年龄、种族以及某些群体的收入显著相关。
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引用次数: 2
期刊
Aquaculture Economics & Management
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