Crowdsourcing the Robin Hood effect in citiesReportar como inadecuado

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1 IFISC - Institute for Cross-Disciplinary Physics and Complex Systems 2 UMR TETIS - Territoires, Environnement, Télédétection et Information Spatiale 3 BBVA - Banco Bilbao Vizcaya Argentaria

Abstract : Socioeconomic inequalities in cities are embedded in space and result in neighborhood effects, whose harmful consequences have proved very hard to counterbalance efficiently by planning policies alone. Considering redistribution of money flows as a first step toward improved spatial equity, we study a bottom-up approach that would rely on a slight evolution of shopping mobility practices. Building on a database of anonymized credit card transactions in Madrid and Barcelona, we quantify the mobility effort required to reach a reference situation where commercial income is evenly shared among neighborhoods. The redirections of shopping trips preserve key properties of human mobility, including travel distances. Surprisingly, for both cities only a small fraction ∼ 5% of trips need to be altered to reach equity situations, improving even other sustainability indicators. The method could be implemented in mobile applications that would assist individuals in reshaping their shopping practices, to promote the spatial redistribution of opportunities in the city.

Autor: Thomas Louail - Maxime Lenormand - Juan Arias - José Ramasco -



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