Reducing crime and violence: Experimental evidence on adult noncognitive investments in Liberia
Abstract
We show self control and self image are malleable in adults, and that investments in them reduce crime and violence. We recruited criminally-engaged Liberian men and randomized half to eight weeks of group cognitive behavioral therapy, teaching self control skills and a noncriminal self-image. We also randomized $200 grants. Cash raised incomes and reduced crime in the short-run but effects dissipated within a year. Therapy increased self control and noncriminal values, and acts of crime and violence fell 20–50%. Therapy’s impacts lasted at least a year when followed by cash, likely because cash reinforced behavioral changes via prolonged practice.
Citation
Blattman, C. Reducing crime and violence: Experimental evidence on adult noncognitive investments in Liberia. (2015) 76 pp.
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