一、前言消费、投资、净出口是拉动经济增长的三驾马车,其中消费是GDP增长的主导因素。我国城镇居民收入高、消费量大,并且其消费结构直接反映了消费者的消费特点和消费发展趋势。因此研究我国城镇居民的消费行为有助于了解国民的消费情况,对推动国民经济的发展有着重要的意义。 I. Introduction Consumption, investment and net exports are the troika driving economic growth. Consumption is the dominant factor in GDP growth. China’s urban residents have high income and large consumption, and their consumption structure directly reflects consumers’ consumption characteristics and consumption trends. Therefore, studying the consumption behavior of urban residents in our country helps to understand the national consumption situation and is of great significance to promoting the development of the national economy.