Fig. 4
From: The natural and capital infrastructure of potential post-electrification wealth creation in Kenya

Micro-enterprise development index (a) and correlation with GDP per capita nightlights proxy by county (b): The MED index correlates well with the middle and high-middle-income regions of the country, as well as the poorest counties in the country. The MED index provides an overestimate for low-middle-income counties (discussed below)