利用长三角城市群2008年到2009年的面板数据分析城市劳动生产率与经济密度的关系,结果得出该区域存在集聚经济效应,产出密度与经济密度对劳动生产率的影响显著为正,但劳动生产率的增长过分依赖资本投入,同时第三产业与外商投资对劳动生产率的影响不显著。 Using the panel data of the Yangtze River Delta urban agglomeration from 2008 to 2009, the author analyzes the relationship between urban labor productivity and economic density, and concludes that the region has agglomeration economic effects. The impact of output density and economic density on labor productivity is significantly positive. However, labor The growth of productivity over-reliance on capital investment, while the tertiary industry and foreign investment on labor productivity is not significant.