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首页> 外文期刊>Economics and human biology >Catching up from early nutritional deficits? Evidence from rural Ethiopia
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Catching up from early nutritional deficits? Evidence from rural Ethiopia

机译：赶上早期的营养不足？埃塞俄比亚农村的证据

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摘要

We examine the nutritional status of a cohort of poor Ethiopian children and their patterns of catch-up growth in height-for-age between three key development stages: age one, five and eight. We use ordinary least squares (within community) and instrumental variables analysis. During the earliest period, we find that nutritional catch-up patterns vary substantially across socioeconomic groups: average catch-up growth in height-for-age is almost perfect among children in relatively better-off households, while among the poorer children, relative height is more persistent. Between five and eight years of age, however, we find near-perfect persistence and no evidence of heterogeneity in catch-up growth. Our findings suggest that household wealth, and in particular access to services, can lead to substantial catch-up growth early on in life. However, for our sample, the window of opportunity to catch up appears to close as early as the age of five.
机译：我们研究了一群埃塞俄比亚贫困儿童的营养状况，以及他们在三个关键发展阶段（年龄分别为1岁，5岁和8岁）之间的身高追赶增长模式。我们使用普通最小二乘法（社区内）和工具变量分析。在最早的时期，我们发现营养追赶模式在各个社会经济群体之间差异很大：相对富裕的家庭中的孩子，平均身高的平均追赶增长几乎是完美的，而较贫穷的孩子中，相对身高是更持久。然而，在五到八岁之间，我们发现持久性近乎完美，并且没有追赶性增长异质性的证据。我们的研究结果表明，家庭财富，尤其是获得服务的机会，可以导致生命初期的大幅追赶增长。但是，对于我们的样本而言，赶上机会的窗口似乎早在五岁时就已经关闭。

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