Climate anomalies and international migration: A disaggregated analysis for West Africa

IF 5.5 3区 经济学 Q1 BUSINESS Journal of Environmental Economics and Management Pub Date : 2024-05-06 DOI:10.1016/j.jeem.2024.102997
Fernanda Martínez Flores , Sveta Milusheva , Arndt R. Reichert , Ann-Kristin Reitmann
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Abstract

Migration is one measure that individuals can take to adjust to the adverse impacts of increasingly extreme weather that can arise from climate change. Using novel geo-referenced high-frequency data, we investigate the impact of soil moisture anomalies on migration within West Africa and towards Europe. We estimate that a standard deviation decrease in soil moisture leads to a 2-percentage point drop in the probability of international migration, equivalent to a 25 percent decrease in the number of international migrants. This effect is concentrated during the months that immediately follow the crop-growing season among areas in the middle of the income distribution. The findings suggest that weather anomalies negatively affect agricultural production, leading to liquidity constraints that prevent people from moving internationally.

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气候异常与国际移民:西非的分类分析
迁移是个人为适应气候变化带来的日益极端天气的不利影响而采取的一种措施。利用新颖的地理参照高频数据,我们研究了土壤湿度异常对西非和欧洲移民的影响。我们估计,土壤湿度每减少一个标准差,国际移民的概率就会下降 2 个百分点,相当于国际移民人数减少 25%。这种影响主要集中在紧接着农作物种植季节的几个月中,在收入分布处于中间的地区。研究结果表明,气候异常会对农业生产产生负面影响,导致流动性紧张,从而阻碍人们进行国际迁移。
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来源期刊
CiteScore
8.00
自引率
4.30%
发文量
91
期刊介绍: The Journal of Environmental Economics and Management publishes theoretical and empirical papers devoted to specific natural resources and environmental issues. For consideration, papers should (1) contain a substantial element embodying the linkage between economic systems and environmental and natural resources systems or (2) be of substantial importance in understanding the management and/or social control of the economy in its relations with the natural environment. Although the general orientation of the journal is toward economics, interdisciplinary papers by researchers in other fields of interest to resource and environmental economists will be welcomed.
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