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为了分析增长极在中部崛起和西部开发中可能发挥的作用,对我国中西部地域相连、经济水平接近的山西、河南、安徽、湖北、湖南、江西、广西、四川、重庆、陕西10个省(直辖市、自治区)的942个市县2000~2007年非农业GDP和就业增长的空间溢出效应进行了检验。模型估计表明,中西部地区各市县非农业经济增长的主要决定因素是自身的投入,同时,中心城市也存在明显的扩散和回流效应。地级市的非农业GDP增长对县级市有扩散效应,意味着城市间经济有一体化趋势,但是地级市的就业增长对县级市有抑制作用;地级城市对相对更不发达的县镇的GDP和就业增长同时具有带动作用;相邻的县级市相互间有较强的促进作用,但是对邻近县镇却有抑制倾向。
In order to analyze the possible role that the growth pole can play in the rise of Central China and in the development of the western region, Shanxi, Henan, Anhui, Hubei, Hunan, Jiangxi, Guangxi, Sichuan, Chongqing and Shaanxi provinces Municipalities and autonomous regions) of 942 cities and counties 2000 ~ 2007 non-agricultural GDP and employment growth spillover effects were tested. The model estimates show that the main determinants of non-agricultural economic growth in all cities and counties in the central and western regions are their own inputs, and meanwhile there are also obvious proliferation and return effects in central cities. The non-agricultural GDP growth in prefecture-level cities has a diffusing effect on the county-level cities, which means that the inter-city economy tends to be integrated. However, the employment growth in the prefecture-level cities has an inhibitory effect on the county-level cities. For prefecture-level cities, the relatively less developed The county’s GDP and employment growth also have a leading role; adjacent county-level cities have a strong role in promoting each other, but there is an inhibitory trend in neighboring counties.