基于DEA的长三角城市空间效率差异研究
发布时间：2018-12-11 22:34
【摘要】：由于城市质量的下降以及城市化过程中各种问题的出现,城市空间效率的研究变得越来越重要。本文运用数据包络分析的方法,定量地研究了长三角25个城市市辖区的城市空间效率的差异和演变情况。 目前,国内外关于城市空间效率的研究较少,也极少有人将效率这一概念引入到城市空间的研究中,所以本文尝试把效率引入到城市空间的研究中,初步尝试性地建立城市空间效率的投入与产出指标体系,并构建了城市空间效率的评价模型,接着利用数据包络分析的方法,对长三角25个城市市辖区的空间效率做了定量测评,然后通过GIS的数字化,直观地反映出2002-2010年长三角25个城市的城市空间总效率值的高低。通过研究可以发现,长三角的城市空间效率整体水平较好、呈波动上升趋势并且在高位波动,城市间差异不断缩小；江苏应该提高其技术效率,浙江应该提高其规模效率；大部分未能达到效率最优的城市主要是由于缺少空间方面的投入而未能达到最佳规模,今后应该加大对其空间方面的投入。 基于长三角城市空间效率的差异和演变情况,本文从一般影响因子和特殊影响因子两方面进行了解释,指出城市空间效率主要受自然条件、经济水平等七个因素的影响；然后针对城市空间效率存在的问题提出了优化长三角城市空间效率的对策。
[Abstract]:Due to the decline of urban quality and the emergence of various problems in the process of urbanization, the study of urban spatial efficiency becomes more and more important. Using the method of data envelopment analysis, this paper quantitatively studies the difference and evolution of urban spatial efficiency in 25 urban districts in the Yangtze River Delta. At present, there are few researches on the efficiency of urban space at home and abroad, and very few people introduce the concept of efficiency into the study of urban space, so this paper attempts to introduce efficiency into the study of urban space. The input and output index system of urban spatial efficiency is preliminarily established, and the evaluation model of urban spatial efficiency is constructed, and then the method of data envelopment analysis is used. The spatial efficiency of 25 urban districts in the Yangtze River Delta is evaluated quantitatively, and the total urban space efficiency of 25 cities in the Yangtze River Delta from 2002 to 2010 is intuitively reflected through the digitization of GIS. It can be found that the overall level of urban spatial efficiency in Yangtze River Delta is good, fluctuating upward and fluctuating at high levels, and the differences between cities are shrinking, Jiangsu should improve its technical efficiency, Zhejiang should improve its scale efficiency; Most of the cities that fail to achieve the best efficiency are mainly due to the lack of space investment and can not reach the optimal scale. In the future, we should increase the investment in their space. Based on the difference and evolution of urban spatial efficiency in Yangtze River Delta, this paper explains from two aspects of general and special influence factors, and points out that urban spatial efficiency is mainly affected by seven factors, such as natural conditions, economic level and so on. Then, the countermeasures of optimizing urban spatial efficiency of Yangtze River Delta are put forward in view of the existing problems of urban spatial efficiency.
【学位授予单位】：浙江大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：F299.27
本文编号：2373343
[Abstract]:Due to the decline of urban quality and the emergence of various problems in the process of urbanization, the study of urban spatial efficiency becomes more and more important. Using the method of data envelopment analysis, this paper quantitatively studies the difference and evolution of urban spatial efficiency in 25 urban districts in the Yangtze River Delta. At present, there are few researches on the efficiency of urban space at home and abroad, and very few people introduce the concept of efficiency into the study of urban space, so this paper attempts to introduce efficiency into the study of urban space. The input and output index system of urban spatial efficiency is preliminarily established, and the evaluation model of urban spatial efficiency is constructed, and then the method of data envelopment analysis is used. The spatial efficiency of 25 urban districts in the Yangtze River Delta is evaluated quantitatively, and the total urban space efficiency of 25 cities in the Yangtze River Delta from 2002 to 2010 is intuitively reflected through the digitization of GIS. It can be found that the overall level of urban spatial efficiency in Yangtze River Delta is good, fluctuating upward and fluctuating at high levels, and the differences between cities are shrinking, Jiangsu should improve its technical efficiency, Zhejiang should improve its scale efficiency; Most of the cities that fail to achieve the best efficiency are mainly due to the lack of space investment and can not reach the optimal scale. In the future, we should increase the investment in their space. Based on the difference and evolution of urban spatial efficiency in Yangtze River Delta, this paper explains from two aspects of general and special influence factors, and points out that urban spatial efficiency is mainly affected by seven factors, such as natural conditions, economic level and so on. Then, the countermeasures of optimizing urban spatial efficiency of Yangtze River Delta are put forward in view of the existing problems of urban spatial efficiency.
【学位授予单位】：浙江大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：F299.27
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