利用2005—2010年地区产业面板数据,采用Rajan和Zingales(1998)的双重差分非线性计量模型,实证研究了产业信息化密度差异背景下信息通信技术对地区产业增长的影响。研究发现,信息通信技术水平的提升显著促进地区产业增长,并且对信息化密度较高产业而言,ICT对其的产业增长促进作用更大,证实了ICT在地区发展与信息化在产业分布和扩散中有优化配置作用。比较而言,ICT对重工业增长的影响大于轻工业,对装备制造业的作用高于非装备制造业。 Using the regional industry panel data from 2005 to 2010, the dual differential nonlinear econometric model of Rajan and Zingales (1998) was used to empirically study the impact of information and communication technologies on the regional industry growth under the background of industrial informatization density differences. The study found that the improvement of the level of information and communication technologies significantly promoted regional industry growth, and for industries with higher density of information technology, ICT promoted its industrial growth to a greater extent, confirming the distribution of ICT in the region and the distribution of information in the industry. Diffusion has an optimized configuration. In comparison, ICT has a greater impact on the growth of heavy industry than light industry, and it has a greater role in equipment manufacturing than non-equipment manufacturing.