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土耳其牛羊肉价格波动:COVID-19、牲畜进口和能源价格的作用。

The volatility of beef and lamb prices in Türkiye: The role of COVID-19, livestock imports, and energy prices.

机构信息

Department of Economics, College of Economics and Administrative Sciences, Iğdır University, Iğdır, Türkiye.

The Turkish Radio and Television Corporation (TRT), Erzurum Directorate, Erzurum, Türkiye.

出版信息

PLoS One. 2023 Mar 13;18(3):e0282611. doi: 10.1371/journal.pone.0282611. eCollection 2023.

DOI:10.1371/journal.pone.0282611
PMID:36913369
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10010543/
Abstract

This study examines the volatility of beef and lamb prices in Türkiye, as food price inflation compromises the food security of low- and middle-income households. The inflation is the result of a rise in energy (gasoline) prices leading to an increase in production costs, together with a disruption of the supply chain by the COVID-19 pandemic. This study is the first to comprehensively explore the effects of multiple price series on meat prices in Türkiye. Using price records from April 2006 through February 2022, the study applies rigorous testing and selects the VAR(1)-asymmetric BEKK bivariate GARCH model for empirical analysis. The beef and lamb returns were affected by periods of livestock imports, energy prices, and the COVID-19 pandemic, but those factors influenced the short- and long-term uncertainties differently. Uncertainty was increased by the COVID-19 pandemic, but livestock imports offset some of the negative effects on meat prices. To improve price stability and assure access to beef and lamb, it is recommended that livestock farmers be supported through tax exemptions to control production costs, government assistance through the introduction of highly productive livestock breeds, and improving processing flexibility. Additionally, conducting livestock sales through the livestock exchange will create a price information source allowing stakeholders to follow price movements in a digital format and their decision-making.

摘要

本研究考察了土耳其牛肉和羊肉价格的波动性,因为食品价格通胀危及中低收入家庭的食品安全。通胀是能源(汽油)价格上涨导致生产成本上升的结果,加上 COVID-19 大流行扰乱了供应链。本研究首次全面探讨了多种价格系列对土耳其肉类价格的影响。使用 2006 年 4 月至 2022 年 2 月的价格记录,本研究应用严格的测试并选择 VAR(1)-不对称 BEKK 双变量 GARCH 模型进行实证分析。牛肉和羊肉的回报受到牲畜进口、能源价格和 COVID-19 大流行时期的影响,但这些因素对短期和长期不确定性的影响不同。COVID-19 大流行增加了不确定性,但牲畜进口抵消了对肉类价格的一些负面影响。为了提高价格稳定性并确保牛肉和羊肉的供应,建议通过免税来支持牲畜养殖户以控制生产成本,通过引入高生产力的牲畜品种来提供政府援助,并提高加工灵活性。此外,通过牲畜交易所进行牲畜销售将创建一个价格信息来源,使利益相关者能够以数字格式跟踪价格走势并做出决策。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/bd1b85e81c45/pone.0282611.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/86a4e553371b/pone.0282611.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/c244daa760ff/pone.0282611.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/e27b0147a59e/pone.0282611.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/9e51c18811cb/pone.0282611.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/bd1b85e81c45/pone.0282611.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/86a4e553371b/pone.0282611.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/c244daa760ff/pone.0282611.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/e27b0147a59e/pone.0282611.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/9e51c18811cb/pone.0282611.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7d2/10010543/bd1b85e81c45/pone.0282611.g005.jpg

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