扩展享乐回归框架中的价格预测因子:埃塞俄比亚牲畜批发市场的应用

IF 4.5 3区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Agricultural Economics Pub Date : 2022-12-05 DOI:10.1111/agec.12751
Fantu Bachewe, Derek Headey, Bart Minten
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引用次数: 1

摘要

牲畜市场不仅影响生产者的创收,也影响消费者获得和负担得起高营养动物源食品的能力。尽管它们很重要,但与较发达国家相比,人们对低收入国家牲畜市场的运作知之甚少,也很少进行研究。本研究使用独特丰富的大规模数据集分析了埃塞俄比亚的牛批发市场,该数据集涵盖了10年间39个市场(高地和低地地区)的价格和牛的特征,并使用享乐回归模型来了解牛的价格形成以及季节性和长期价格动态。我们的研究表明,牛的价格受到一系列因素的影响,包括肉类质量、宗教斋戒、基于气候的季节性,以及气候冲击和放牧地的可用性、动物牵引服务的竞争以及消费者收入的增加。然而,与农牧混合的低地地区相比,这些因素的隐含影响在高原作物-牲畜混合地区往往有显著不同,这强调了埃塞俄比亚牛市场的二元性。这些分析有助于了解埃塞俄比亚在面临持续收入和人口增长以及气候变化的不利影响的情况下需要克服的系统性挑战,以满足对牛肉产品不断增长的需求。
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Price predictors in an extended hedonic regression framework: An application to wholesale cattle markets in Ethiopia

Livestock markets influence income generation for producers, but also accessibility and affordability of highly nutritious animal-sourced foods for consumers. Despite their importance, the functioning of livestock markets in lower-income countries is poorly understood and rarely studied compared to more developed countries. This study analyzes wholesale cattle markets in Ethiopia using a uniquely rich large-scale dataset covering both prices and cattle characteristics in 39 markets (in both highland and lowland areas) over a 10-year period, and hedonic regression models structured to understand both cattle price formation and seasonal and secular price dynamics. We show that cattle prices are influenced by a wide range of factors, including proxies for meat quality, religious fasting practices, climate-based seasonality but also climate shocks and availability of grazing land, competition from animal traction services, and rising consumer incomes. However, the implied effects of these factors are often significantly different in highland mixed crop-livestock areas compared to agro-pastoralist lowland areas, emphasizing the dualistic nature of cattle markets in Ethiopia. The analyses help inform the systemic challenges that Ethiopia will need to overcome to meet rising demand for beef products in the face of sustained income and population growth, as well as the adverse effects of climate change.

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来源期刊
Agricultural Economics
Agricultural Economics 管理科学-农业经济与政策
CiteScore
7.30
自引率
4.90%
发文量
62
审稿时长
3 months
期刊介绍: Agricultural Economics aims to disseminate the most important research results and policy analyses in our discipline, from all regions of the world. Topical coverage ranges from consumption and nutrition to land use and the environment, at every scale of analysis from households to markets and the macro-economy. Applicable methodologies include econometric estimation and statistical hypothesis testing, optimization and simulation models, descriptive reviews and policy analyses. We particularly encourage submission of empirical work that can be replicated and tested by others.
期刊最新文献
Issue Information Drought risk management in agriculture: A copula perspective on crop diversification Macroeconomic shock effects on beef carcass premiums Farmers’ preferences for soil conservation measures in Southern Ethiopia: Plot-level discrete choice experiment Do place-based policies impact residents’ nutrient intake? Evidence from China
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