Coupling data science with community crowdsourcing for urban renewal policy analysis: An evaluation of Atlanta's Anti-Displacement Tax Fund

被引:12
作者
Auerbach, Jeremy [1 ]
Blackburn, Christopher [2 ]
Barton, Hayley [3 ]
Meng, Amanda [4 ]
Zegura, Ellen [5 ]
机构
[1] Colorado State Univ, Dept Environm & Radiol Hlth Sci, Ft Collins, CO 80523 USA
[2] Georgia Inst Technol, Econ, Atlanta, GA 30332 USA
[3] Duke Univ, Durham, NC 27706 USA
[4] Georgia Inst Technol, Atlanta, GA 30332 USA
[5] Georgia Inst Technol, Comp Sci, Atlanta, GA 30332 USA
基金
美国国家科学基金会;
关键词
Urban renewal; property tax; crowdsourcing; data science; income estimation; HOUSING VALUES; GENTRIFICATION; SYSTEMS; IMPACT;
D O I
10.1177/2399808318819847
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
We estimate the cost and impact of a proposed anti-displacement program in the Westside of Atlanta (GA) with data science and machine learning techniques. This program intends to fully subsidize property tax increases for eligible residents of neighborhoods where there are two major urban renewal projects underway, a stadium and a multi-use trail. We first estimate household-level income eligibility for the program with data science and machine learning approaches applied to publicly available household-level data. We then forecast future property appreciation due to urban renewal projects using random forests with historic tax assessment data. Combining these projections with household-level eligibility, we estimate the costs of the program for different eligibility scenarios. We find that our household-level data and machine learning techniques result in fewer eligible homeowners but significantly larger program costs, due to higher property appreciation rates than the original analysis, which was based on census and city-level data. Our methods have limitations, namely incomplete data sets, the accuracy of representative income samples, the availability of characteristic training set data for the property tax appreciation model, and challenges in validating the model results. The eligibility estimates and property appreciation forecasts we generated were also incorporated into an interactive tool for residents to determine program eligibility and view their expected increases in home values. Community residents have been involved with this work and provided greater transparency, accountability, and impact of the proposed program. Data collected from residents can also correct and update the information, which would increase the accuracy of the program estimates and validate the modeling, leading to a novel application of community-driven data science.
引用
收藏
页码:1081 / 1097
页数:17
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