墨西哥和国际牛肉市场价格的垂直和空间传播

IF 0.7 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Revista Mexicana de Ciencias Pecuarias Pub Date : 2022-09-09 DOI:10.22319/rmcp.v13i4.5839
J. L. Jaramillo Villanueva
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引用次数: 0

摘要

从2000年到2019年,墨西哥牛肉分部门发生了重大的结构变化;最重要的是生产和营销阶段的集中。2019年,墨西哥联邦能力委员会透露,由于缺乏市场效率,墨西哥家庭的收入减少了16%至31%。在肉类的情况下,减少可能高达98%。在此背景下,本研究的目的是考察国家和国际活牛价格之间的空间价格传导程度,以及活牛价格和胴体价格之间的垂直传导,以评估市场效率。计量经济学方法包括使用1990-2019年期间每月牛肉实际价格的向量误差校正模型的估计。这项研究的结果为该行业的决策者和利益相关者提供了信息:他们理解国际牛肉价格向国内牛肉价格以及从农场价格向加工商价格的单向传导。同时指出了非对称价格传导的存在,这与牛和牛肉价格是上涨还是下跌有关。结果表明,国际价格与农民价格、加工商价格与农产品价格之间存在长期的单一协整关系。价格传导的方向往往是从生产者到加工商,从国际价格到农民价格。当国际价格上涨时,调整速度往往比国际价格下跌时慢得多,从而导致调整速度明显加快。
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Transmisión vertical y espacial de precios en el mercado mexicano e internacional de ganado vacuno
From 2000 to 2019, the Mexican beef subsector has undergone significant structural changes; the most important was the concentration of both production and marketing stages. In 2019, the Mexican Federal Commission of Competence revealed that, Mexican households’ income diminished between 16 and 31 % due to a lack of market efficiency. In the case of meat, the reduction may be up to 98 %. In this context, the objective of this study was to examine the degree of spatial price transmission between national and international live cattle prices and the vertical transmission between live cattle prices and carcass meat prices to evaluate market efficiency. The econometric approach consists of the estimation of a vector error correction model, using monthly beef real prices, for the period 1990-2019. Findings from this research provide information for decision-makers and stakeholders in this industry: these comprehend unidirectional transmission of international beef prices to domestic beef prices and from farm price to processor price. Also point to the existence of asymmetric price transmission, which is related to whether cattle and beef prices are increasing or decreasing. Results indicate that a long-run single cointegration relationship exists between international and farmer prices, and between processor and farm price. The direction of price transmission tends to go from producers to processors and from international price to farmer price. When the international price increases, the speed of adjustment tends to be significantly slower, in contrast to when the international price decreases, resulting in a significantly faster rate of adjustment.
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来源期刊
Revista Mexicana de Ciencias Pecuarias
Revista Mexicana de Ciencias Pecuarias AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
1.20
自引率
0.00%
发文量
93
审稿时长
>12 weeks
期刊介绍: The MEXICAN MAGAZINE OF SCIENCES PECUARIAS is an organ of scientific and technical diffusion of the livestock sector. Its periodicity is quarterly and arbitrated by pairs in the double-blind mode. Its objective is to make known the results of the research carried out by any scientific institution, in Mexico and in any part of the world, related to the livestock sciences, particularly those that refer to the different disciplines of Veterinary Medicine and Animal Science. The Journal is bilingual, publishes the complete articles in Spanish or English and is included in various indexing services and international dissemination platforms, such as the Index of Mexican Journals of Scientific and Technological Research of the National Council of Science and Technology (CONACYT); In the EBSCO Host database; In the Network of Scientific Journals of Latin America and the Caribbean, Spain and Portugal (RedALyC); In the Ibero-American Network of Scientific Journals of Free Access Veterinary Medicine. Indexed in the ISI Journal Citation Report Science Edition; And Elsevier''s SCOPUS and EMBASE indices.
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