Bennear, Lori; Tarozzi, Alessandro; Pfaff, Alexander; … - Duke University, Department of Economics - 2010
We randomized 43 villages in Bangladesh to receive information on well-water arsenic that emphasized water safety … with arsenic levels (gradient message). The gradient message led to 50% more switching of water sources when the arsenic … level was moderately unsafe, but 40% less switching at high arsenic levels. The differences in behavior are at least …
