(University of Konstanz) Cities and villages illuminated at night are common in wealthy regions such as Europe. This is different in developing countries: Satellite data shows that many dark spots are visible next to illuminated regions. Two political scientists from the University of Konstanz, Professor Nils Weidmann and Dr. Sebastian Schutte, evaluated satellite data of night light emissions and compared them with wealth estimates collected in large surveys.
from EurekAlert! - Social and Behavioral Science http://ift.tt/2qaFDl0
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