可持续农业做法对生产和隐性饥饿的影响:来自非洲农村家庭的证据

IF 1.6 4区 经济学 Q2 AGRICULTURAL ECONOMICS & POLICY Agrekon Pub Date : 2020-10-01 DOI:10.1080/03031853.2020.1855219
Abdul-Hanan Abdallah, A. Abdul‐Rahaman, Gazali Issahaku
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引用次数: 2

摘要

本研究采用撒哈拉以南非洲集约化(Afrint)项目的面板数据,考察可持续农业实践(SAPs)对作物生产和隐性饥饿的影响。该数据集包括撒哈拉以南非洲8个国家的2368个家庭(4736个地块)。本研究在经验估计中使用多项内生转换回归模型来解释由观察到的和未观察到的农民属性引起的样本选择偏差。此外,本研究采用了Mundlak固定效应标准来处理地块水平的异质性。结果表明,与单独采用sap相比,联合采用sap提高了总产值,减少了隐性饥饿。具体而言,总产值最多增加8,288.66美元/公顷,而谷物自我供应能力最多减少647.69公斤/成人当量。因此,研究结果表明,应促进共同采用标准程序,而不是单独采用标准程序。研究结果还表明,在非洲各地,单独或联合采用sap所带来的效益各不相同。因此,这意味着在促进采用标准方案时,应考虑到标准方案在非洲不同地点的兼容性和潜力。
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Production and hidden hunger impacts of sustainable agricultural practices: evidence from rural households in Africa
ABSTRACT This study employs panel data from the sub-Saharan Africa’s Intensification (Afrint) project to examine the impacts of sustainable agricultural practices (SAPs) on crop production and hidden hunger. The dataset consists of 2368 households (4736 plots) across eight countries in sub-Saharan Africa. The study utilizes a multinomial endogenous switching regression model in the empirical estimations to account for sample selection bias caused by observed and unobserved farmer attributes. In addition, the study employed Mundlak fixed effects criteria to address plot level heterogeneity. The results show that joint adoption of SAPs improves total value of output and reduces hidden hunger, relative to adoption of SAPs in isolation. Specifically, an increase in total value of output is at most USD8,288.66/ha whiles decrease in cereal self-provisioning capacity is at most 647.69 kg per adult equivalent. The results therefore suggest that joint adoption of the SAPs should be promoted over adoption in isolation. The results also indicate that the benefits associated with adoption of SAPs, either in isolation or jointly, vary across Africa. This therefore implies that compatibility and potentials of the SAPs in various locations of Africa should be considered when promoting uptake of SAPs.
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来源期刊
Agrekon
Agrekon AGRICULTURAL ECONOMICS & POLICY-
CiteScore
2.80
自引率
7.70%
发文量
21
审稿时长
>12 weeks
期刊介绍: Agrekon publishes scholarly articles that contribute to the existing literature in the domain of Food, Agricultural and Resource Economics as it applies to Southern Africa. The editors of Agrekon therefore invite contributions in this context that provide new insights, either through the problems they address, the methods they employ or the theoretical and practical insights gained from the results. The quarterly journal serves as the official publication of the Agricultural Economics Association of South Africa (AEASA) and is published by Taylor & Francis.
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