← ireadpaper · 顶刊中的公共政策研究

实物转移作为保险

In-Kind Transfers as Insurance
American Economic Review · 2024 · Lucie Gadenne、Samuel Norris、Monica Singhal、Sandip Sukhtankar

中文摘要

发展中国家的家庭经常面临消费品价格的波动。我们构建了一个模型,说明如果收入边际效用与价格之间的协方差为正,实物转移将针对价格风险提供保险收益。以热量摄入缺口作为边际效用的代理变量,我们发现这一条件对印度低收入家庭成立。印度旗舰实物食品转移项目的扩张不仅提高了热量摄入,还降低了热量摄入对价格的敏感性。我们的研究结果为关于社会保障项目最优形式的持续讨论作出了贡献。(JEL D12、H53、I18、I38、O12、O15)

Abstract

Households in developing countries often face variation in the prices of consumption goods. We develop a model demonstrating that in-kind transfers will provide insurance benefits against price risk if the covariance between the marginal utility of income and price is positive. Using calorie shortfalls as a proxy for marginal utility, we find that this condition holds for low-income Indian households. Expansions in India’s flagship in-kind food transfer program not only increase caloric intake but also reduce caloric sensitivity to prices. Our results contribute to ongoing debates about the optimal form of social protection programs. (JEL D12, H53, I18, I38, O12, O15)
在 ireadpaper 查看全部 →