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Urban Poverty Mapping with Open Spatial Data: Evidence from Dar es Salaam

Author

Listed:
  • Peter Fisker

    (Development Economics Research Group, University of Copenhagen)

  • Kenneth Mdadila

    (University of Dar es Salaam, School of Economics)

Abstract

This paper combines information from a representative household survey with publicly available spatial data extracted from satellite images to produce a high-resolution poverty map of Dar es Salaam. In particular, it builds a prediction model for per capita household consumption based on characteristics of the immediate neighborhood of the household, including the density of roads and buildings, the average size of houses, distances to places of interest, and night-time lights. The resulting poverty map of Dar es Salaam dramatically improves the spatial resolution of previous examples. Extreme Gradient Boosting (XGB) performs best in predicting household consumption levels given the input data. This result demonstrates the simplicity with which policy-relevant information containing a spatial dimension can be generated.

Suggested Citation

  • Peter Fisker & Kenneth Mdadila, 2022. "Urban Poverty Mapping with Open Spatial Data: Evidence from Dar es Salaam," DERG working paper series 22-17, University of Copenhagen. Department of Economics. Development Economics Research Group (DERG).
    • Handle: RePEc:kud:kuderg:2217
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    File URL: https://www.econ.ku.dk/derg/wps/17-2022.pdf
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    More about this item

    Keywords

    Poverty; small-area estimation; building footprints; prediction models;
    All these keywords.

    JEL classification:

    • O18 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Urban, Rural, Regional, and Transportation Analysis; Housing; Infrastructure
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • R11 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Regional Economic Activity: Growth, Development, Environmental Issues, and Changes

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