Mapping Africa's infrastructure potential with geospatial big data and causal ML

Sebastian Krantz

No 2276, Kiel Working Papers from Kiel Institute for the World Economy (IfW Kiel)

Abstract: Using rich geospatial data and causal machine learning (ML), this paper maps potential economic benefits from incremental investments in all major types of public and economic infrastructure across Africa. These 'infrastructure potential maps' cover all African populated areas at a spatial resolution of 9.7km (96km2). They show that the local returns to infrastructure are highly variable and context-specific. For example 'hard infrastructure' such as paved roads and communications is more beneficial in cities, whereas 'social infrastructure' such as education, health, public services and utilities is more critical in rural areas. Market access and agglomeration effects largely govern these returns. The open Africa Infrastructure Database built for this project provides granular data in 54 economic categories/sectors. It reveals that Africa's infrastructure is concentrated in urban areas, with cities exhibiting marked heterogeneity in infrastructure, public services, and economic activities. Spatial inefficiency is common. The findings are consistent with economic literature, highlighting causal ML and explainable AI's potential to generate insights from geospatial data and assist spatial planning.

Keywords: Africa; infrastructure; investment potential; geospatial big data; causal ML; explainable AI (search for similar items in EconPapers)
JEL-codes: C14 O18 R11 R40 (search for similar items in EconPapers)
Date: 2024
New Economics Papers: this item is included in nep-afr, nep-big, nep-tre and nep-ure
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:ifwkwp:305261

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