本文以扩展线性系统(ELES)模型为基础,分析了我国在经济转型期间(1996~2008年)城乡居民消费结构的变化.主要研究结果是:①城乡居民商品及服务的边际消费倾向随时间推移而下降;②城乡居民的消费行为虽有差异,但趋向较为一致;③食品支出的重要性显著降低,居民的消费结构向高级化发展;④2008年世界经济危机已对我国城乡居民的消费行为产生较大影响,但相对而言,城镇居民更为严重.“,”Applying extend the linear system(ELES) model,this paper analyses and compares consumption structure of china urban and rural residents within the economical transition period(1996 ~2008).The major findings are:①Whether rural or urban residents,their marginal propensity to consume declines over time.② despite differences,rural and urban residents consumption behavior tend to be more consistent.③with reduction on food expenditure,the resident consumption pattern is more reasonable.④The 2008 world economic crisis has a significant impact on consumer behavior,but relatively,urban residents are more severely impacted.