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Using machine learning to assess the livelihood impact of electricity access
Nathan Ratledge1,2, Gabe Cadamuro3, Brandon de la Cuesta4
1Emmett Interdisciplinary Program in Environment and Resources, Stanford University, Palo Alto, CA, USA.
Nature
|November 17, 2022
Summary
Satellite imagery and machine learning (ML) provide crucial economic data where it
Area of Science:
- Utilizes advancements in remote sensing and artificial intelligence for economic policy evaluation.
Background:
- Sparse economic data hinders effective public policy development and evaluation globally.
- Traditional methods struggle with data limitations in developing regions.
Purpose of the Study:
- To demonstrate how satellite imagery and machine learning (ML) can overcome data scarcity for policy analysis.
- To measure the causal impact of electricity access on local livelihoods in Uganda.
- To improve the reliability of causal inference in data-sparse environments.
Main Methods:
- Employs satellite imagery and computer vision to create local-level livelihood measurements.
- Applies machine learning (ML) inference techniques for causal impact estimation.
- Analyzes data from an electrical grid expansion in rural Uganda.
Main Results:
- Estimates that grid access increases village-level asset wealth in rural Uganda by 0.15 standard deviations.
- Electrification more than doubled the growth rate of asset wealth in treated areas compared to untreated areas.
- Demonstrates ML-based inference yields more reliable causal estimates than traditional methods.
Conclusions:
- Provides country-scale evidence on the economic impact of grid infrastructure investment.
- Offers a low-cost, generalizable methodology for policy evaluation in data-limited settings.
- Highlights the potential of integrated geospatial and ML approaches for socioeconomic research.
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