Adoption and impact of improved wheat varieties on productivity and welfare among smallholder farmers in the Arsi Highland of Ethiopia

IF 1.6 4区经济学 Q2 AGRICULTURAL ECONOMICS & POLICY

Agrekon Pub Date : 2022-03-18 DOI:10.1080/03031853.2022.2044359

Bedilu Demissie Zeleke, A. K. Geleto, S. Asefa, H. H. Komicha

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引用次数: 1

Abstract

ABSTRACT This article evaluates the adoption and impact of improved wheat varieties on rural farm household welfare measured by consumption expenditure per adult equivalent and productivity per hectare in rural Ethiopia. The study utilises cross-sectional farm household-level data collected in 2017/2018 from a randomly selected sample of 323 farmers in Arsi Highland of Ethiopia. We estimate the adoption and causal impact of improved varieties by utilising endogenous switching regression complemented with a binary propensity score matching methodology. This helps us estimate the productivity and welfare effect of technological adoption by controlling for the role of selection bias problem stemming from both observed and unobserved heterogeneity. Our analysis reveals a consistent result across models indicating that adoption enhances wheat productivity per hectare by 0.63 tons/ha and household welfare by 31%. Even farm households that did not adopt would benefit significantly had they adopted. Education, wheat price, farm machineries, crop rotation, row planting, social capital (such as informal network, core trust, and institutional trust), training on varieties selection, and information on seed availability are found to be the main drivers behind the adoption of improved wheat varieties.

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埃塞俄比亚阿尔西高地小农采用改良小麦品种及其对生产力和福利的影响

摘要本文评估了改良小麦品种的采用及其对埃塞俄比亚农村农户福利的影响，衡量标准为埃塞俄比亚农村每成年当量的消费支出和每公顷生产力。该研究利用了2017/2018年从埃塞俄比亚阿尔西高地323名农民中随机抽取的横断面农户水平数据。我们通过利用内生转换回归和二元倾向得分匹配方法来估计改良品种的采用和因果影响。这有助于我们通过控制由观察到和未观察到的异质性引起的选择偏差问题的作用来估计技术采用的生产力和福利效应。我们的分析显示，各模型的结果一致，表明采用该方法可使每公顷小麦产量提高0.63吨/公顷，家庭福利提高31%。即使是没有领养的农户，如果他们领养了，也会受益匪浅。教育、小麦价格、农业机械、轮作、行种植、社会资本（如非正式网络、核心信托和机构信托）、品种选择培训和种子可用性信息被发现是采用改良小麦品种的主要驱动因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Agrekon AGRICULTURAL ECONOMICS & POLICY-

CiteScore

2.80

自引率

7.70%

发文量

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.