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A data-driven approach to mapping multidimensional poverty at residential block level in Mexico

Author(s)
Zea-Ortiz, Marivel; Vera, Pablo; Salas, Joaquín; Manduchi, Roberto; Villaseñor, Elio; Figueroa, Alejandra; Suárez, Ranyart R.; ... Show more Show less
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Abstract
Accurate, inexpensive and granular human poverty assessments are critical for data-driven policy decision-making. This research proposes a novel approach to computing poverty scores utilizing multispectral satellite images and indices calculated from census reference values. We show how this approach can leverage standard and sparse survey-based multidimensional poverty assessments at the municipal level to develop a deep learning architecture to obtain poverty scores at the residential block level. This method has the distinctive feature that the obtained inference corresponds to Multidimensional Measurement of Poverty generated by CONEVAL, the Mexican agency responsible for measuring poverty. We provide a reliable alternative to survey-based approaches with an 𝑅2 of 0.802±0.022 for the lack of housing quality and spaces dimension. A convolutional neural network trained on multispectral satellite images and the lack of housing quality and spaces dimension, which is regressed from census reference variables corresponding to lack of water, electricity, sewage, concrete floor, toilet and occupancy level obtains an 𝑅2 of 0.753. These results represent a significant step forward in including machine learning techniques to provide reliable information at reduced costs and a higher spatiotemporal frequency than traditional person-to-person surveys.
Date issued
2024-07-21
URI
https://hdl.handle.net/1721.1/155801
Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
Journal
Environment, Development and Sustainability
Publisher
Springer Science and Business Media LLC
Citation
Zea-Ortiz, M., Vera, P., Salas, J. et al. A data-driven approach to mapping multidimensional poverty at residential block level in Mexico. Environ Dev Sustain (2024).
Version: Final published version
ISSN
1573-2975

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