Monitoring streets through tweets: Using user-generated geographic information to predict gentrification and displacement

Karen Chapple, Ate Poorthuis, Matthew Zook and Eva Phillips
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Karen Chapple: University of California at Berkeley, USA
Ate Poorthuis: KU Leuven, Belgium
Matthew Zook: University of Kentucky, USA

Environment and Planning B, 2022, vol. 49, issue 2, 704-721

Abstract: The new availability of big data sources provides an opportunity to revisit our ability to predict neighborhood change. This article explores how data on urban activity patterns, specifically, geotagged tweets, improve the understanding of one type of neighborhood change—gentrification—by identifying dynamic connections between neighborhoods and across scales. We first develop a typology of neighborhood change and risk of gentrification from 1990 to 2015 for the San Francisco Bay Area based on conventional demographic data from the Census. Then, we use multivariate regression to analyze geotagged tweets from 2012 to 2015, finding that outsiders are significantly more likely to visit neighborhoods currently undergoing gentrification. Using the factors that best predict gentrification, we identify a subset of neighborhoods that Twitter-based activity suggests are at risk for gentrification over the short term—but are not identified by analysis with traditional census data. The findings suggest that combining Census and social media data can provide new insights on gentrification such as augmenting our ability to identify that processes of change are underway. This blended approach, using Census and big data, can help policymakers implement and target policies that preserve housing affordability and protext tenants more effectively.

Keywords: Gentrification; social media; big data; Twitter; neighborhood change (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:sae:envirb:v:49:y:2022:i:2:p:704-721

DOI: 10.1177/23998083211025309

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