{"title":"食物转移、现金转移、行为改变沟通与儿童营养:孟加拉国的证据","authors":"Akhter Ahmed, John Hoddinott, Shalini Roy","doi":"10.1093/wber/lhae023","DOIUrl":null,"url":null,"abstract":"This paper reports the results of two 2-year randomized control trials in two poor rural areas of Bangladesh. Treatment arms included monthly cash transfers, monthly food rations of equivalent value to the cash transfers, and mixed monthly cash and food transfers, and treatment arms—one with food and one with cash—that combined transfers with nutrition-behavior communication change (BCC). This design enables a comparison of transfer modalities within the same experiment. Intent-to-treat estimators show that cash transfers and nutrition BCC had a large impact on nutritional status, a 0.25 standard deviation increase in height-for-age z-scores and a 7.8 percentage point decrease in stunting prevalence. No other treatment arm affected anthropometric outcomes. Mechanisms underlying these impacts are explored. Improved diets—particularly increased intake of animal source foods in the cash plus BCC arm—are consistent with the improvements observed in this paper.","PeriodicalId":501583,"journal":{"name":"The World Bank Economic Review","volume":"59 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Food Transfers, Cash Transfers, Behavior Change Communication and Child Nutrition: Evidence from Bangladesh\",\"authors\":\"Akhter Ahmed, John Hoddinott, Shalini Roy\",\"doi\":\"10.1093/wber/lhae023\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper reports the results of two 2-year randomized control trials in two poor rural areas of Bangladesh. Treatment arms included monthly cash transfers, monthly food rations of equivalent value to the cash transfers, and mixed monthly cash and food transfers, and treatment arms—one with food and one with cash—that combined transfers with nutrition-behavior communication change (BCC). This design enables a comparison of transfer modalities within the same experiment. Intent-to-treat estimators show that cash transfers and nutrition BCC had a large impact on nutritional status, a 0.25 standard deviation increase in height-for-age z-scores and a 7.8 percentage point decrease in stunting prevalence. No other treatment arm affected anthropometric outcomes. Mechanisms underlying these impacts are explored. Improved diets—particularly increased intake of animal source foods in the cash plus BCC arm—are consistent with the improvements observed in this paper.\",\"PeriodicalId\":501583,\"journal\":{\"name\":\"The World Bank Economic Review\",\"volume\":\"59 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-05-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The World Bank Economic Review\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1093/wber/lhae023\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The World Bank Economic Review","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/wber/lhae023","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
本文报告了在孟加拉国两个贫困农村地区进行的两项为期两年的随机对照试验的结果。治疗组包括每月现金转移支付、与现金转移支付等值的每月口粮、每月现金和粮食混合转移支付,以及将转移支付与营养-行为沟通改变(BCC)相结合的治疗组--一个是粮食治疗组,一个是现金治疗组。这种设计可以在同一实验中对转移方式进行比较。意向治疗估计值显示,现金转移和营养行为改变对营养状况有很大影响,身高-年龄 Z 值提高了 0.25 个标准差,发育迟缓发生率降低了 7.8 个百分点。其他治疗方案均未对人体测量结果产生影响。本文探讨了产生这些影响的机制。膳食的改善--尤其是现金加 BCC 方案中动物源性食物摄入量的增加--与本文观察到的改善是一致的。
Food Transfers, Cash Transfers, Behavior Change Communication and Child Nutrition: Evidence from Bangladesh
This paper reports the results of two 2-year randomized control trials in two poor rural areas of Bangladesh. Treatment arms included monthly cash transfers, monthly food rations of equivalent value to the cash transfers, and mixed monthly cash and food transfers, and treatment arms—one with food and one with cash—that combined transfers with nutrition-behavior communication change (BCC). This design enables a comparison of transfer modalities within the same experiment. Intent-to-treat estimators show that cash transfers and nutrition BCC had a large impact on nutritional status, a 0.25 standard deviation increase in height-for-age z-scores and a 7.8 percentage point decrease in stunting prevalence. No other treatment arm affected anthropometric outcomes. Mechanisms underlying these impacts are explored. Improved diets—particularly increased intake of animal source foods in the cash plus BCC arm—are consistent with the improvements observed in this paper.