Modeling Smallholder Farmers' Preferences for Soil Management Measures: A Case Study From South Ethiopia

Modeling Smallholder Farmers' Preferences for Soil Management Measures: A Case Study From South Ethiopia
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模拟小农对土壤管理措施的偏好:埃塞俄比亚南部的案例研究

DOI:
10.1016/j.ecolecon.2017.11.027
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发表时间:
2018
影响因子:
7
通讯作者:
Tarfasa S
Tarfasa S
中科院分区:
经济学2区
文献类型:
--
作者:
Tarfasa S

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土地退化是埃塞俄比亚的一个主要环境问题,对农业生产力和生计构成严重威胁。众多社会经济、人口、自然和体制因素的相互作用构成了埃塞俄比亚土壤退化的根本原因。然而,关于阻碍小农土壤保持投资的背景因素,存在证据差距。本研究利用对埃塞俄比亚南部 359 个样本小农户进行的明确偏好调查生成的原始数据,调查了小农户土壤管理技术的投资限制。采用随机参数 Logit 模型来估计模型。结果表明,如果适当的激励机制(主要是有保障的土地保有权和融资渠道)到位,小农愿意投资土壤管理技术。不幸的是,该国现行的土地保有权制度不允许土地私有产权,小农获得信贷的机会非常有限。因此,建立有保障的土地权利和改善小农获得信贷的机会应被视为加强土壤管理技术采用的关键干预措施。该研究强调,激励采用土壤管理措施的政策干预不仅可以提供现场私人利益,还可以通过提供多种生态系统服务提供更广泛的社会场外利益。
Land degradation is a major environmental problem in Ethiopia posing serious threats to agricultural productivity and livelihoods. The interactions of numerous socio-economic, demographic, natural, and institutional factors constitute the underlying causes of soil degradation in Ethiopia. However, there exist evidence gaps on the contextual factors that hinder investments on soil conservation among smallholders. Using primary data generated through a stated preference survey among 359 sample smallholder farm households in Southern Ethiopia, this study investigates investment constraints on soil management technologies among smallholders. A random parameter logit model was implemented to estimate the model. Results indicate that smallholders are willing to invest in soil management technologies if appropriate incentive mechanisms, primarily, secured land tenure rights and access to finance are in place. Unfortunately, the prevailing land tenure regime in the country does not allow private property rights on land and smallholders have very limited access to credit. Thus, instituting secure land rights and improving credit access to smallholders should be considered as key interventions to enhance adoption of soil management technologies. The study highlights that policy interventions that incentivize adoption of soil management measures provide not only on-site private benefits but wider societal off-site benefits through the provision of multiple ecosystem services.
土地所有权和资源使用冲突:对埃塞俄比亚东部家庭脆弱性的影响
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