探索移民对左后家庭成员蛋白质摄入量影响背后的机制:来自中国的小组分析
1School of Urban and Regional Science, Shanghai University of Finance and Economics, Shanghai 200433, China.
概括
劳动移民增加了农村留下的家庭的蛋白质摄入量. 这种改善主要是由于家庭规模的减少和农作物和牲畜收入的增加,而不是汇款.
科学领域:
- 农业经济学 农业经济学
- 营养科学 营养科学
- 社会学 社会学 社会学
背景情况:
- 营养不良是一个重要的全球健康问题,特别影响农村家庭.
- 劳动力移民影响农村地区的家庭经济和营养.
研究的目的:
- 调查农村家庭劳动移民和饮食蛋白质摄入量之间的联系.
- 确定汇款,农场收入,自产食品和家庭规模变化如何影响蛋白质摄入量.
主要方法:
- 利用了来自中国1368个农村家庭的三波家庭调查 (2012,2015,2018) 的面板数据.
- 采用双向固定效应模型和中介效应模型来分析数据.
主要成果:
- 劳动移民对留在农村地区的家庭的蛋白质消费产生了积极的影响.
- 家庭规模的减少是最重要的调解因素 (0.729效应),其次是作物收入 (0.216) 和牲畜收入 (0.073).
- 汇款收入和自我生产并没有显著影响蛋白质摄入量.
结论:
- 移民通过减少家庭规模和提高农场生产力 (作物和牲畜) 来改善农村家庭的蛋白质摄入量.
- 家庭结构和农场生产率是改善劳动移民影响家庭营养的关键因素.
- 调查结果为政策制定者提供了解决农村营养不良和移民影响的见解.
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