中文摘要：

根据1997-2007年全国投入产出表,构建变结构投入产出模型进行实证研究。分析投资倾向和消费倾向的变化率以及弹性、出口对各服务行业的诱发系数,结果表明运输邮电业产出对投资的依赖度最高,其他服务业的产出靠消费拉动的作用最大,住宿和餐饮业对出口的依赖程度较强。

英文摘要：

This paper constructed variable structure control input-output model according to the input-output tables from 1997 to 2007 to analyze the rate of change and elasticity of investment trends as well as consumption tendency, the induction of exportation on various service industries included. It shows that transport and telecommunications depends on investment to the highest degree, and that the output of other services is pulled by consumption most greatly, while accommodation and catering strongly depend on exports.