从产业链的角度对旅游业进行研究，并对各投入产出系数进行定量测算。
It also analyzes tourism industry from the perspectives of industry chain, and calculates various input-output coefficients.
本文首先重点介绍了研究的理论基础，阐述了世博会及世博经济的概念，并对乘数效应和投入产出系数做了相应的解释。
Firstly, the paper introduced theory base of the study, explained what is Expo and Expo economy, expatiated on multiplicator effect and coefficient of input-output unit.
直接消耗系数的调整一直是投入产出研究者们关注的热点之一。
The adjustment of direct consumption coefficients is one of the key problems for input-output analysis.
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