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本文依据中国健康与营养调查数据库(CHNS)2004年和2009年的微观数据,建立带有家庭异质性的二次几乎理想需求模型(QUAIDS)并结合补偿变量,分析食品价格上涨对我国不同地区、不同阶层农村家庭福利的影响。结果表明,2004-2009年食品价格上涨没有对农村家庭总体福利造成负面影响,农村家庭福利略微上升了0.38%。不同地区和不同收入的农村家庭受到价格冲击的影响不同,经济发达地区和农业大省的农村家庭,受食品价格上涨的影响小于其他地区。东北部地区的高收入者是这次食品价格上涨最大的受益者,中西部和南部地区的低收入阶层是这次食品价格上涨受影响最严重的群体。
Based on the micro-data of China Health and Nutrition Survey (CHNS) in 2004 and 2009, this paper establishes a quadratic Almost Ideal Demand Model (QUAIDS) with family heterogeneity in combination with compensation variables to analyze the impact of rising food prices on different regions of China , Different levels of rural family welfare. The results show that the increase in food prices in 2004-2009 did not have a negative impact on the overall well-being of rural households, and that of rural households slightly increased by 0.38%. Affected by price shocks, rural households in different regions and different incomes are affected differently by price shocks. Rural households in economically developed regions and large agricultural provinces are less affected by the rise in food prices than other regions. The high-income earners in northeastern China are the biggest beneficiaries of this rising food price. The low-income groups in the central and western regions and southern regions are the hardest hit by this rising food price.