THE INFLUENCE OF URBAN BUILT ENVIRONMENT ON STREET VENDORS' SPATIAL DISTRIBUTION:IMPLICATIONS FOR THE PLANNING OF AUTHORIZED VENDING SITES
ZHANG Yan-ji1, ZHANG Lei2, WU Na-wei3
1. School of Architecture, Fuzhou University, Fuzhou 350116, China;
2. School of Public Administrationand Policy, Renmin University of China, Beijing 100872, China;
3. Technology Innovation Center, Tsinghua Tong Heng Urban Planning and Design Institution, Beijing 100085, China
Abstract Informal economy has become important urban landscape, and informal employment has turned into a significant form of attracting urban employment in China since reform and opening. However, because of limited data related to the hidden characteristics of informal economic activities, the subject of urban geography had little cognition of its spatial distribution law inside city, especially at the macro dimension and via quantitative method. Therefore, when the informal commerce encountered conflicts with urban offical management, where to construct vending areas was still tough problems for city management after realizing the zero tolerance policy was controversial and ineffective. In order to fill in this gap and propose suggestion to vending site selection, this thesis focused on Chaoyang district in Beijing and utilized big data of street vending, point of intersts and road network to explore the influence of built environment on vendors' distribution. According to the spatial distribution of mobile traders, its density as a whole showed a gradual decline trend from urban core to suburbs, especially around the third-ring road from morning to afternoon. Until the late market, the flow of traders began to spread to some outer enclaves. The research demonstrated that high density of consumption demand was vital reason for vendors' agglomeration in different periods, especially around places with little formal commerce. Now that ‘Zero tolerance’ urban management was unable to stem vendors' activity, thus could be seen the necessity of vending sites.
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2017, Vol. 32 
