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Land and poverty: the role of soil fertility and vegetation quality in poverty reduction

机译:土地和贫困:土壤肥力和植被质量在减贫方面的作用

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The debate on the land-poverty nexus is inconclusive, with past research unable to identify the causal dynamics. We use a unique global panel dataset that links survey and census derived poverty data with measures of land ecosystems at the subnational level. Rainfall is used to overcome the endogeneity in the land-poverty relationship in an instrumental variable approach. This is the first global study using quasi-experimental methods to uncover the degree to which land improvements matter for poverty reduction. We draw three main conclusions. First, land improvements are important for poverty reduction in rural areas and particularly so for Sub-Saharan Africa. Second, land improvements are pro-poor: poorer areas see larger poverty alleviation effects due to improvements in land. Finally, irrigation plays a major role in breaking the link between bad weather and negative impacts on the poor through reduced vegetation growth and soil fertility.
机译:对土地贫困Nexus的辩论是不确定的,过去的研究无法识别因果动态。我们使用独特的全球面板数据集,该数据集将调查和人口普查派生数据与土地生态系统的贫困数据进行了链接。降雨用于克服乐器可变方法的土地贫困关系中的内部性。这是第一个使用准实验方法揭示土地改善贫困物质的程度的全球研究。我们得出三个主要结论。首先,土地改善对于农村地区的减贫而言是重要的,特别是撒哈拉以南非洲的贫困。其次,土地改善是贫困人口:较差的地区由于土地的改善而达到更大的扶贫影响。最后,通过降低植被生长和土壤肥力,灌溉在破坏恶劣天气与负面影响之间的联系方面发挥着重要作用。

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