中日产业内贸易结构特征及影响因素分析

摘要

中国与日本之间的产业内贸易结构特征及其演变，对于中国整体对外贸易结构、经济结构的升级，以及东亚区域经济合作的发展具有重要影响。本文使用SITC四位数项下的7类产品分类数据，基于一般加权模型、技术加权模型和范数模型，计算了中国与日本之间四种类型的成品与零部件产业内贸易结构优化指数，得出产业内贸易优化程度指数；通过单位根检验、协整检验建立VEC模型，旨在检验相关因素对中国与日本之间产业内贸易结构的优化升级是否具有积极的影响。%The structural characteristics and evolution of intra -industry trade between China and Japan have important influence on the upgrading of China′s overall foreign trade and economic structure and the development of regional eco -nomic cooperation in East Asian .In this paper , we use three methods based on SITC 7 trade data to calculate the optimi-zation index of end product and spare parts intra -industry trade between China and Japan , based on the general weigh-ted model, technology weighted model and norm model .Through the unit root test , cointegration test and VEC model , we get the testing result that whether relative factors have a positive effect on the optimization of intra -industry trade be-tween China and Japan .