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Proposing an integrated accessibility-based measure to evaluate spatial equity among different social classes
Environment and Planning B: Urban Analytics and City Science ( IF 2.6 ) Pub Date : 2021-02-08 , DOI: 10.1177/2399808321991543
Mohammad Azmoodeh 1 , Farshidreza Haghighi 1 , Hamid Motieyan 1
Affiliation  

Fair spatial distribution of services has always been a challenge for urban planners to supply sufficient accessibility for individuals and to consider the needs of vulnerable social groups. Nevertheless, equity assessment literature has mostly focused on measuring the accessibility through distance-based variables, and social stratification based on just income, as well. Accordingly, this study intends to employ an accessibility measure that considers non-distance-based variables along with distance-based ones. It uses multi-criteria decision-making to propose an accessibility index to assess vertical and horizontal equity of residents’ accessibility to a range of public facilities, in the district 6 of Tehran, Iran. Therefore, using the integration of geographical information system-based spatial analysis, wider people specification, and the Gini coefficient, this measure proposes a novel framework to examine the equity level of individuals belonging to the lower, middle, and upper social classes. Results imply a 0.228 Gini index for horizontal equity, which indicates a low level of inequity among residents. Besides, for vertical equity evaluation, Gini index of 0.097, 0.249, and 0.167, respectively, for lower, middle, and upper groups show people in the lower class experience very low levels of inequity, therefore higher accessibility is well distributed among groups with higher social needs. This approach can help planners to choose the right analysis method and prioritize urban decisions toward the equitable distribution of facilities.



中文翻译:

提出一项基于可访问性的综合措施,以评估不同社会阶层之间的空间平等

服务的合理空间分配一直是城市规划者向个人提供足够的无障碍设施并考虑弱势社会群体需求的挑战。然而,股权评估文献主要集中在通过基于距离的变量来衡量可及性,以及仅基于收入的社会分层。因此,本研究打算采用一种可访问性度量,将基于距离的变量与基于距离的变量一起考虑。它使用多标准决策来提出可及性指数,以评估伊朗德黑兰第6区居民对一系列公共设施可及性的纵向和横向公平性。因此,利用基于地理信息系统的集成空间分析,更广泛的人员规范,以及基尼系数,该方法提出了一个新颖的框架,以检验属于中下层社会阶层的个人的平等水平。结果表明横向权益的基尼系数为0.228,表明居民之间的不平等程度很低。此外,对于纵向公平评估,低,中和上层群体的基尼系数分别为0.097、0.249和0.167,表明下层阶级的人们经历的不平等程度非常低,因此,较高群体之间的可及性分布良好社会需求。这种方法可以帮助规划人员选择正确的分析方法,并优先考虑城市决策,以实现设施的公平分配。和上层社会阶层。结果表明横向权益的基尼系数为0.228,表明居民之间的不平等程度很低。此外,对于纵向公平评估,低,中和上层群体的基尼系数分别为0.097、0.249和0.167,表明下层阶级的人们经历的不平等程度非常低,因此,较高群体之间的可及性分布良好社会需求。这种方法可以帮助规划人员选择正确的分析方法,并优先考虑城市决策,以实现设施的公平分配。和上层社会阶层。结果表明横向权益的基尼系数为0.228,表明居民之间的不平等程度很低。此外,对于纵向公平评估,低,中和上层群体的基尼系数分别为0.097、0.249和0.167,表明下层阶级的人们体验到的不平等程度非常低,因此,较高群体之间的可及性较高社会需求。这种方法可以帮助规划人员选择正确的分析方法,并优先考虑城市决策,以实现设施的公平分配。上层人群表明,下层阶级的人遭受的不平等程度非常低,因此,在具有较高社会需求的人群中,较高的可达性得到了很好的分配。这种方法可以帮助规划人员选择正确的分析方法,并优先考虑城市决策,以实现设施的公平分配。上层人群表明,下层阶级的人遭受的不平等程度非常低,因此,在具有较高社会需求的人群中,较高的可达性得到了很好的分配。这种方法可以帮助规划人员选择正确的分析方法,并优先考虑城市决策,以实现设施的公平分配。

更新日期:2021-02-08
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