Abstract: Based on the 1998-2003's data of all of 16 cities in Yangtze River delta,this thesis studied the manufacturing industry of the delta,indicating that regional specialization can promote industry from a labor-intensive one to a technology-intensive one,driving industry's technology progress;the increase rate of technology progress and its contribution ratio to economy in regional specialization industry is higher than the one in non-regional specialization industry,and regional specialization can decrease the monopoly and increase competition.

Key words: Yangtze River delta, manufacturing industry, regional specialization, industrials upgrading

摘要： 以长三角制造业为对象,利用长三角区域内16个城市1998-2003年的相关数据进行的分析和计算表明:地方专业化能促进产业从劳动密集型向资本密集型升级,推动行业的技术进步;地方专业化行业的技术进步增长率和技术对经济的贡献率都明显高于非地方专业化行业,地方专业化有弱化垄断而强化竞争的倾向。

关键词: 长三角, 制造业, 地方专业化, 产业升级