Hornbeck, Richard; Keskin, Pinar - In: American Economic Journal: Applied Economics 6 (2014) 1, pp. 190-219
Agriculture on the American Plains has been constrained historically by water scarcity. Post-WWII technologies enabled farmers over the Ogallala aquifer to extract groundwater for large-scale irrigation. Comparing counties over the Ogallala with nearby similar counties, groundwater access...