Abstract: This paper applies shiftshare model tostudy the industrialstructures in the Yangtze River Delta, analyzes their 2005—2011 industrial dataand “231-type”industrial structures inJiangsu, Zhejiang and Shanghai, comparedwith the whole country and the Yangtze River Delta. Share component, industrial structure shift component and competitiveness component are used to evaluate their 17 industrial departments and to analyze their shift of economy growth in regional average, to evaluate their advantages in regional economy structure and competitiveness, and to determine the future direction of economic development andindustrial structureadjustment principals. This paper presents suggestion in optimizing industrial structures for the Yangtze River Delta.

Key words: the Yangtze River Delta, industrial structure, shiftshare model

摘要： 运用偏离—份额模型对长三角地区产业结构的总体情况进行研究和探讨。通过分析2005—2011年江苏省、浙江省、上海市3个城市的产业数据，分别以全国和长三角地区的数据为参照，对其“二三一”型产业结构进行实证分析。并使用份额分量、产业结构偏离分量和竞争力分量3大指标评价长三角两省一市17个产业部门，以此分析区域经济增长相对于其所在更大区域平均水平的偏离状况，评价区域经济结构优势和自身竞争力的强弱，进而确定区域未来经济发展的合理方向和产业结构调整的原则。最后有针对性地提出长三角两省一市产业结构优化的参考建议。

关键词: 长三角, 产业结构, 偏离—份额模型