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出 处:《人文地理》2014年第5期121-126,共6页Human Geography
基 金:国家自然科学基金项目(41371007);中国人民大学科学研究基金(中央高校基本科研业务费专项资金资助)项目(14XNH022)
摘 要:流动商贩是城市商业的重要组成部分,其空间分布格局与正规商业不相同。本文以正规商业和流动商贩的引力可达性指数,比较两者在同一区位的可达性差异,依此将两者的空间分布关系划分为五种类型,这些类型在空间上呈同心圆、扇形与多核心相结合的分布模式。通过无序多分类logistic回归,发现以人口密度和人口结构为代表的社会力、以国际资本为代表的市场力和具有不同监管强度的政府力均对正规商业与流动商贩的空间分布关系有显著影响。Street vendor which is an important part of urban commerce has different spatial distribution with formal commerce. On the basis of the economic census and the vendors' supervisory statistics in Chaoyang District in Beijing from 2008-2010, this thesis evaluated the variance of spatial pattern between formal commerce and street vendors via the accessibility of gravity coefficient of formal commerce and vendors, and then classified the communities into five categories according to their Z scores. These five spatial types of communities are agglomerative community, formal commerce absolutely dominant community, formal commerce relatively dominant community, vendor absolutely dominant community and vendor relatively dominant community. These five types of communities showed concentric circle, sector model and multiple nuclei model in Chaoyang District in Beijing. Through multinomial logistic regression, this thesis demonstrated that community power represented by population density and demographic structure, market power represented by international capital and government power represented by the strength of supervision had significant influence on the spatial relationship between formal commerce and street vendor to various degrees. Formal commerce absolutely dominant communities, formal commerce relatively dominant communities and vendor relatively dominant communities appear concentric circles from downtown to the suburban areas which shows the reduction of demand. Furthermore, more rural migrants and low income people live in these areas. Agglomerative communities lie in some parts of the inner sphere of the formal commerce absolutely dominant communities. The intensity of government regulation is less strict in agglomerative communities and the extent of globalization is much higher in such type of communities, which reflects the limitation of government censorship.
关 键 词:流动商贩 商业空间结构 引力可达性指数 无序多分类logistic分析
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