Covid-19是否影响了印度主要食品的市场到货量和价格?扩展时间序列分析的证据

IF 1.4 Q3 AGRONOMY Agricultural Research Pub Date : 2024-02-07 DOI:10.1007/s40003-023-00695-2
Dinesh Chand Meena, Purushottam Sharma, Md. Ejaz Anwer
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引用次数: 0

摘要

COVID-19 大流行和随后的封锁政策对包括农业在内的所有经济部门产生了重大影响。它从多个方面扰乱了市场的正常功能;因此,本研究使用扩展的时间序列数据来估算全国范围内的封锁对主要粮食商品的市场到货量、价格利润率以及批发和零售价格的影响。研究采用多重政策干预中断时间序列分析(ITSA)模型,估算了 2020 年和 2021 年封锁后干预前和干预后的价格趋势变化。结果表明,大多数农产品的市场到货量大幅减少,对不同商品和封锁期的价格利润率产生了不同的影响。ITSA结果显示,由于2019-20年作物收成创历史新高以及政府福利计划(PMGKAY)的免费发放,小麦和大米的批发和零售价格大幅下降。相比之下,豆类豆渣和芥末油的批发和零售价格在 2020 年和 2021 年的封锁期大幅上涨。总体而言,政府对 2021 年封锁的管理要好于 2020 年,使人们能够获得必需品和服务、交通和其他便利。此外,鉴于从 COVID-19 封锁中吸取的经验教训,本研究提出了一些政策建议,以提高供应链对未来流行病和自然灾害的反应能力和复原力。
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Did Covid-19 Impacted Market Arrivals and Prices of Major Food Commodities in India: Evidence from Extended Time Series Analysis

The COVID-19 pandemic and subsequent lockdown policy significantly impacted all sectors of the economy, including agriculture. It disrupted the market’s normal functions in multiple ways; hence, this study was conducted using extended time series data to estimate the impact of the nationwide lockdown on market arrivals, price margin, and wholesale and retail prices of major food commodities. The study employed the multiple policy interventions interrupted time series analysis (ITSA) model to estimate pre-and post-intervention price trends change following lockdowns in 2020 and 2021. The results indicated that most agricultural commodities witnessed a substantial decrease in market arrivals, and there were heterogeneous effects on price margins across commodities and lockdown periods. ITSA results reveal that wholesale and retail prices for wheat and rice decreased significantly due to record crop harvests in 2019–20 and free distribution through Government welfare programs (PMGKAY). In contrast, the wholesale and retail price of pulses dal and mustard oil increased significantly during the lockdown period of 2020 and 2021. Overall, the Government managed the lockdown in 2021 better than in 2020, enabling access to essential goods and services, transportation and other conveniences. Furthermore, the study suggests policies to enhance the supply chain’s responsiveness and resilience to future pandemics and natural disasters, given the lessons learned from the COVID-19 lockdown.

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来源期刊
CiteScore
3.80
自引率
0.00%
发文量
24
期刊介绍: The main objective of this initiative is to promote agricultural research and development. The journal will publish high quality original research papers and critical reviews on emerging fields and concepts for providing future directions. The publications will include both applied and basic research covering the following disciplines of agricultural sciences: Genetic resources, genetics and breeding, biotechnology, physiology, biochemistry, management of biotic and abiotic stresses, and nutrition of field crops, horticultural crops, livestock and fishes; agricultural meteorology, environmental sciences, forestry and agro forestry, agronomy, soils and soil management, microbiology, water management, agricultural engineering and technology, agricultural policy, agricultural economics, food nutrition, agricultural statistics, and extension research; impact of climate change and the emerging technologies on agriculture, and the role of agricultural research and innovation for development.
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