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Journal of Integrative Agriculture  2021, Vol. 20 Issue (1): 330-342    DOI: 10.1016/S2095-3119(20)63239-7
Special Issue: 农业经济与管理合辑Agricultural Economics and Management
Agricultural Economics and Management Advanced Online Publication | Current Issue | Archive | Adv Search |
The dynamic impact of income and income distribution on food consumption among adults in rural China
LI Lei1, 2, ZHAI Shi-xian3, BAI Jun-fei2, 3 
1 National Agricultural and Rural Development Research Institute, China Agricultural University, Beijing 100083, P.R.China
2 Beijing Food Safety Policy & Strategy Research Base, Beijing 100083, P.R.China
3 College of Economics and Management, China Agricultural University, Beijing 100083, P.R.China
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摘要  

已有研究表明收入对农村居民食物消费有显著的影响,然而关于农村居民收入及收入分布的动态变化对农村居民食物消费的影响却比较少见。本研究基于中国健康与营养调查数据,运用二次型近乎理想需求模型(QUAIDS)估计不同收入组成年农民居民各类食物收入弹性,并对模型的支出内生性问题和零值消费问题进行处理。结果表明,农村居民收入及收入分布的变化对其食物消费有显著影响。除粮食类食物外,其余食物类别(蔬菜类,油脂类,动物性食物类、其他食物类)的收入弹性均显著为正。农村居民收入阶层的跃迁将导致农村居民粮食类、蔬菜类、油脂类和动物性食物类收入弹性的下降。基于估计的收入弹性,农村居民收入组别的变化对食物消费影响的动态模拟结果显示,降低农村地区收入不平等程度将有助于改善农村居民的食物营养状况




Abstract  
Previous studies have demonstrated that income has a significant effect on food demand in rural China.  However, little research has focused on the dynamic impact of income and income distribution on food demand in rural China.  Using China Health and Nutrition Survey data, this study employs a consistent two-step quadratic almost ideal demand system model, with addressed problems of endogeneity of total expenditure and zero shares, to estimate the food demand elasticities among adults in rural areas with regard to the different income strata.  The results show that changes in income and income strata have significant effects on food demand in rural areas.  Except for grains, all other food groups, including vegetables, oils and fats, animal products, and other foods, have positive income elasticities, and the rise in the income strata will lead to declining income elasticities for grains, vegetables, oils and fats, and
Keywords:  income redistribution        food demand        endogeneity        censored demand system        rural China  
Received: 17 December 2019   Accepted:
Fund: The authors acknowledged the support from the National Natural Science Foundation of China (71673316) and Beijing Food Safety Policy & Strategy Research Base, China. This research uses data from the China Health and Nutrition Survey (CHNS). We are also grateful to research grant funding from the following sources: the National Institutes of Health (NIH) and the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) for R01 HD30880; the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) for R01DK104371 and R01HL108427; the NIH Fogarty Grant D43 TW009077 for financial support for the CHNS data collection and analysis files since 1989; the China-Japan Friendship Hospital, Ministry of Health, for support for the CHNS 2009; the Chinese National Human Genome Center at Shanghai since 2009; and the Beijing Municipal Centers for Disease Prevention and Control since 2011. We are also grateful for funding from the NICHD to the Carolina Population Center at the University of North Carolina at Chapel Hill (NIH Grant; P2C HD050924 and T32 HD007168).
About author:  LI Lei, E-mail: lileicem@cau.edu.cn; Correspondence BAI Jun-fei, E-mail: jfbai@cau.edu.cn

Cite this article: 

LI Lei, ZHAI Shi-xian, BAI Jun-fei. 2021. The dynamic impact of income and income distribution on food consumption among adults in rural China. Journal of Integrative Agriculture, 20(1): 330-342.

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