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服务业正成为新常态下中国经济发展保持适度增速和迈向中高端水平的强劲动力,城市群核心城市则是中国服务业发展的重要空间载体。本文采用区位熵、对外服务流模型、熵值法,对2003年和2012年中国20个城市群32个核心城市的服务业专业化程度、外向服务功能、综合发展水平等进行分析,结果表明:核心城市服务业地域分工明显,生产性服务业专业化程度较高;核心城市服务业对外服务功能与城市规模等级具有显著相关性,多数属于生产性服务功能主导型,少数属于生活性服务功能主导型以及生产性和生活性服务功能并重型;核心城市服务业内部行业外向功能的空间集中性差异较大,生产性服务业空间集中性普遍高于生活性服务业;核心城市服务业综合发展水平的空间差异显著,与城市群的功能定位较为一致。
The service industry is becoming a strong impetus for China’s economic growth to maintain a moderate growth and to reach the mid-to-high-end level under the new normal. The core urban agglomerations are an important space carrier for the development of China’s service industry. This paper uses location entropy, external service flow model and entropy method to analyze the service specialization degree, outward service function and comprehensive development level of 32 core cities in 20 cities in China in 2003 and 2012. The results show that: The division of labor in the core city service industry is obvious, and the specialization of producer service industry is higher. The service function of the core city service industry is significantly related to the scale of the city scale, most of which are productive service-oriented and minority are the dominant function of life service Type and production and life service functions are both heavy; the spatial concentration of export-oriented functions in the core city service industry is larger, the spatial concentration of producer service industry is generally higher than that of life service industry, and the comprehensive development of service industries in core cities The spatial difference is significant, which is consistent with the functional orientation of urban agglomerations.