Nathan Nunn and Diego Puga created the Terrain Ruggedness Index for ‘Ruggedness: The Blessing of Bad Geography in Africa,” which was published in the Review of Economics and Statistics in 2012.
Nathan Nunn and Diego Puga created the Terrain Ruggedness Index for ‘Ruggedness: The Blessing of Bad Geography in Africa,” which was published in the Review of Economics and Statistics in 2012.