气候灾害的脆弱性:乌干达农村应对策略的选择

J. Helgeson, Simon Dietz, S. Hochrainer
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引用次数: 78

摘要

当自然灾害来袭时,受影响的家庭试图应对其影响。可以采用各种应对策略,从减少当前消费到处置生产性资产。后一种战略尤其令人担忧,因为它们可能会降低家庭在未来产生收入的能力,可能导致长期贫困。我们利用乌干达农村的一项家庭调查的结果来问,首先,在天气灾害的情况下,人们倾向于采用什么样的应对策略;其次,考虑到可以选择多种策略,它们倾向于以什么样的组合使用;第三,考虑到资产清算策略对家庭未来的收入前景尤其有害,是什么决定了它们的采用?我们的调查是同类调查中规模最大的之一,包含了当地工人使用智能手机技术收集的3000多个观察结果。我们发现,到目前为止,在这个农村样本中,最常见的选择是出售牲畜。这是相当惊人的,因为基于资产的理论会预测更多的依赖于像今天少吃少花这样的策略,避免处置生产性资产。牲畜很可能是作为一种流动储蓄的形式,除其他外,有助于从天气灾害中恢复过来。尽管如此,我们确实发现,其他可能破坏未来前景的策略被避免了,特别是出售土地或房屋,扰乱孩子的教育。我们的计量经济学分析揭示了一套相当丰富的应对策略子集的决定因素。也许最值得注意的是,家长受教育程度较高的家庭不太可能选择让自己的孩子辍学的应对策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Vulnerability to Weather Disasters: The Choice of Coping Strategies in Rural Uganda
When a natural disaster hits, the affected households try to cope with its impacts. A variety of coping strategies, from reducing current consumption to disposing of productive assets, may be employed. The latter strategies are especially worrisome because they may reduce the capacity of the household to generate income in the future, possibly leading to chronic poverty. We used the results of a household survey in rural Uganda to ask, first, what coping strategies would tend to be employed in the event of a weather disaster, second, given that multiple strategies can be chosen, in what combinations would they tend to be employed, and, third, given that asset-liquidation strategies can be particularly harmful for the future income prospects of households, what determines their uptake? Our survey is one of the largest of its kind, containing over 3000 observations garnered by local workers using smartphone technology. We found that in this rural sample, by far, the most frequently reported choice would be to sell livestock. This is rather striking because asset-based theories would predict more reliance on strategies like eating and spending less today, which avoid disposal of productive assets. It may well be that livestock is held as a form of liquid savings to, among other things, help bounce back from a weather disaster. Although, we did find that other strategies that might undermine future prospects were avoided, notably selling land or the home and disrupting the children's education. Our econometric analysis revealed a fairly rich set of determinants of different subsets of coping strategies. Perhaps most notably, households with a more educated head are much less likely to choose coping strategies involving taking their own children out of education.
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