伴随着国家经济的增长,居民收入的提高,我国城乡居民的消费也在不断增长,消费结构在不断优化。周发明、杨婧(2010)运用ELES模型,从基本需求量、边际消费倾向、需求收入弹性、需求价格弹性等方面,对我国城乡居民消费结构进行了实证分析。吴瑾、周博雅(2011)以我国全体居民为研究对象,从平均消费倾向、恩格尔系数的变动、 With the growth of the national economy and the increase of the residents’ income, the consumption of urban and rural residents in our country is also growing constantly, and the consumption structure is continuously optimized. Zhou, Ming (2010) used the ELES model to analyze the consumption structure of urban and rural residents from the basic demand, marginal propensity to consume, income elasticity of demand and the price elasticity of demand. Wu Jin, Zhou Boya (2011) Taking all Chinese residents as the research object, from the perspective of average propensity to consume, the change of Engel’s coefficient,