中文摘要：

运用1997-2008年中国26个省（自治区）的城镇居民家庭收支调查数据，在构建省级动态面板数据理论模型的基础上，运用系统广义矩估计方法对城镇居民的信息消费行为进行了实证分析，分析结果表明：中国城镇居民的信息消费变动呈现出对收入变动的过度敏感性；城镇居民的信息消费表现出了显著的内部习惯形成，即信息消费存在棘轮效应；城镇居民的信息消费行为具有显著的示范效应。

英文摘要：

This paper has an empirical study to information consumption behavior of urban households in China, by building the provincial lever dynamic panel data model, by using the data of urban households in China＇s 26 provinces from 1997 to 2008 and systematic generalized method of moments. The result shows that the information consumption of urban households has excessive sensitivity to income; The internal habit formation has a remarkable influence on the information consumption of urban households, which exist ratchet effect; The information consumption behavior of urban households has remarkable demonstration effect.