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从经济增长的要素分析出发,分别以江苏省域及其所辖的58个县市为单元,1991-2013年为时序,运用柯布—道格拉斯生产函数、熵值法和回归分析等方法,对江苏省经济增长要素及其动力的演化过程与空间类型进行定量分析。研究发现:促进江苏经济增长的供给要素主要为资本和技术,需求要素主要为消费拉动,作用于供求方面的要素主要为产业结构、城镇发展和体制改革。1991年以来推动江苏经济增长的首要动力依次为需求拉动、开放创新、城镇引领和科技驱动。在空间上,江苏县市经济增长动力呈现南强北弱、地级市区强于县域的地域分异特征;其中,苏南县市以开放创新和科技驱动类型为主,苏中县市以开放创新和产业升级类型为主,苏北县市以需求拉动和产业升级类型为主。
Starting from the factor analysis of economic growth, taking Jiangsu Province and its 58 counties and cities as units, 1991-2013 as the sequence, using Cobb-Douglas production function, entropy method and regression analysis, Jiangsu Province, the factors of economic growth and the dynamics of its evolution and spatial type of quantitative analysis. The study found that the main supply elements to promote Jiangsu’s economic growth are capital and technology, the demand elements are mainly driven by consumption, and the factors that affect supply and demand are mainly industrial structure, urban development and institutional reform. The primary impetus to economic growth in Jiangsu since 1991 is in turn demand-driven, open innovation, urban-led and technology-driven. In spatiality, the economic growth momentum of counties and cities in Jiangsu Province is characterized by the weakness of the south and the north, and the geographical differentiation of prefecture-level cities is stronger than that of the county. Among them, Sunan counties are dominated by open innovation and technology-driven types. The main types of open innovation and industrial upgrading, North Jiangsu counties driven by demand and the type of industrial upgrading.