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Illuminating the Global South

Author

Listed:
  • Giorgio Chiovelli

  • Stelios Michalopoulus

  • Elias Papaioannou

  • Tanner Regan

Abstract

Satellite images of nighttime lights are commonly used to proxy local economic conditions. Despite their popularity, there are concerns about how accurately they capture local development in different settings and scales. We compile an annual series of comparable nighttime lights globally from 1992 to 2023 by applying adjustments that consider key factors affecting accuracy and comparability over time: top coding, blooming, and variations in satellite systems (DMSP and VIIRS). Applied to various low-income settings, the adjusted luminosity series outperforms the unadjusted series as a predictor of local development, particularly over time and at higher spatial resolutions.

Suggested Citation

  • Giorgio Chiovelli & Stelios Michalopoulus & Elias Papaioannou & Tanner Regan, 2025. "Illuminating the Global South," Working Papers 2025-009, The George Washington University, The Center for Economic Research.
    • Handle: RePEc:gwc:wpaper:2025-009
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    File URL: https://www2.gwu.edu/~forcpgm/2025-009.pdf
    File Function: First version, 2025
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    Keywords

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    JEL classification:

    • O1 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development
    • R1 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics
    • E01 - Macroeconomics and Monetary Economics - - General - - - Measurement and Data on National Income and Product Accounts and Wealth; Environmental Accounts
    • I32 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Measurement and Analysis of Poverty

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