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Estimating the incidence of Venezuelan migration and other socioeconomic factors on urban growth in Colombia
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Autores
Silva Barbosa, Pablo Blas Tupac
Sampayo, Andrés Miguel
Peña-Galindo, Andres
Londoño-Mendez, Sebastian
Granada Donato, David
Feged-Rivadeneira, Alejandro
Contreras Cala, Ivan Enrique
Beltran Perez, Jenny Rocıo
Fecha
2023-09-05
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Plos one
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Resumen
Abstract
This study investigates the intricate relationship between Venezuelan migration and urban growth in Colombia from 2018 to 2021. The study employs remote sensing data and social network metrics to uncover migration patterns and their impact on urban expansion. The methodology consists of three stages. Firstly, nighttime satellite imagery is used to analyze year-over-year urban growth in Colombia. Secondly, social network data estimates Venezuelan migration, overcoming challenges of underreporting and informal border crossings. Lastly, an econometric analysis explores the quantitative link between Venezuelan migration and urban growth, integrating socioeconomic variables to address endogeneity. The findings reveal the complex interplay of Venezuelan migration, socioeconomic factors, and urban growth. The study outlines remote sensing analysis, introducing the Anthropogenic Footprint Expansion Index (AFEI) to quantify urban growth. Facebook API data estimates migration trends and explores socioeconomic impacts on urban expansion. The analysis uncovers migration, poverty, aging, and urban population proportion as key factors affecting Colombia’s urban landscape. Furthermore, the research underscores how Venezuelan migration affected short-term urban expansion pre- and post-COVID-19. Migration had a notable effect before the pandemic, but this influence waned afterward. The study highlights migration’s short-term nature and emphasizes age demographics’ role in medium-term dynamics.
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Keywords
Venezuelan migration , Urban growth , Colombia , 2018-2021 , Remotesensing , Nighttime satellite imagery , Social networks , Social network metrics , Facebook API , Anthropogenic Footprint Expansion Index(AFEI) , Econometric analysis , Socio economic factors , Poverty , Population aging , Uban population proportion , COVID-19 , Short-termurbanexpansion
