A spatial correlation analysis of business operating status after an earthquake: A case study from Lushan, China

A spatial correlation analysis of business operating status after an earthquake: A case study from Lushan, China
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震后企业经营状况空间相关分析——以芦山为例

DOI:
10.1016/j.ijdrr.2019.101108
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发表时间:
2019-05
影响因子:
5
通讯作者:
Hong Jingke
Hong Jingke
中科院分区:
地球科学2区
文献类型:
--
作者:
Li Fan;Hong Jingke

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灾后业务恢复的空间相关性是灾难相关研究中经常被忽视的一个问题。本研究利用Moran‘s I模型、空间Tobit模型和LISA聚类图技术探讨了企业经营状况的空间相关性及其随时间的变化。实地调查数据是在2013年庐山地震后的0-3个月、0-1年、0-2年、0-3年和0-4年期间,对中国庐山老县951家零售企业进行的实地调查数据。结果表明,庐山地震后企业经营状况具有显著的正向全球空间相关性,并随时间的变化呈倒“U”型趋势。不同街道区域商业经营状况的局部空间相关性不同。最终,越来越多的商业区在地震后逐渐变成了经营状况不佳或恢复正常的地区。这项研究的发现为灾后业务恢复的分析提供了新的视角。研究结果为制定不同地区灾后企业恢复战略提供了坚实的理论基础。
The spatial interrelatedness of business recovery after a disaster is an issue that is often overlooked in disaster-related studies. The current study explores the spatial correlation of business operating status and its variability over time by using Moran's I, spatial Tobit model and LISA cluster map techniques. Field investigation data are collected from 951 retail businesses in Lushan Old County, China in the following periods after the 2013 Lushan earthquake: from 0 to 3 months, 0 to 1 year, 0 to 2 years, 0 to 3 years, and 0 to 4 years. Results show that the operating status of businesses had a significant positive global spatial dependence, which exhibited an inverted “U” trend with the change in time in the aftermath of the Lushan earthquake. The local spatial correlation of business operating status varies in different street regions. Eventually, an increasing number of business districts gradually turned into poorly operated or recovered regions after the earthquake. Findings of this study provide a new insight into the analysis of business recovery after a disaster. Moreover, results can be regarded as a solid theoretical foundation in formulating a contrapuntal strategy for post-disaster business restoration in different regions.
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