采用超效率SBM-Undesirable模型测度长三角城市群小城镇产业集聚效率,并运用探索性空间数据方法分析其时空演变特征,同时基于空间计量模型研究其时空演变的影响因素。研究发现：①长三角城市群小城镇产业集聚效率存在显著的区域异质性,小城镇产业集聚效率和地区的经济发达程度有密切联系;②小城镇的产业集聚效率存在较强的空间正相关性,呈现出一定的空间集聚特征,且高—高（H-H）型集聚多集中在江浙沪地区;③产业集聚效率较高的小城镇主要呈现组团化聚集格局,空间极化现象明显,上海—杭州成为核密度高值轴线;④产业结构、技术进步、劳动力投入、资金投入、空间距离、政府投入水平和人民生活水平对长三角城市群小城镇产业集聚效率均有显著提升作用,相邻的小城镇之间存在一定的竞争和资源争夺,导致部分因素在提升当地小城镇产业集聚效率时,会挤压邻近地区小城镇的要素资源。基于此,提出区域均衡发展、构建相关机制、推动城市城镇一体化发展、合理分配资源等建议。
This paper measures the industrial agglomeration efficiency of the small towns in the Yangtze River Delta urban agglomeration using the super-efficient SBM-Undesirable model uses the exploratory spatial data method to analyze its spatiotemporal evolution characteristics,and explores its driving mechanism based on the spatial econometric model. The results show that: 1) There is significant regional heterogeneity in the industrial agglomeration efficiency of small towns in the Yangtze River Delta urban agglomeration,and the industrial agglomeration efficiency of small towns is closely related to the degree of economic development of the region. 2) The industrial agglomeration efficiency of small towns in the Yangtze River Delta urban agglomeration has a strong spatial positive correlation,showing a certain spatial agglomeration characteristics,and high-high (H-H) agglomeration is mostly concentrated in Jiangsu,Zhejiang and Shanghai. 3) Small towns with high industrial agglomeration efficiency mainly show the characteristics of clustered aggregation pattern and obvious spatial polarization,Shanghai-Hangzhou becomes the high-value axis of core density of industrial agglomeration. 4) The industrial structure,technology progress and labor input,capital investment,space distance,the government investment level and people's living standard all have significant enhancement effect on the efficiency of industrial agglomeration of small towns in the Yangtze River Delta urban agglomeration. There is a certain competition and resource contention between neighboring small towns,which leads to some factors that will squeeze the factor resources of neighboring small towns when improving the industrial agglomeration efficiency of local small towns. Based on this,some suggestions are put forward,such as balancing regional development,constructing mechanism,promoting the integrated development of cities and towns,and rationally allocating resources.
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