English

While young adults in many contexts struggle to develop a positive identity or skills such as self-control, those who grow up in low-income or violent settings may have more at stake and receive less support. Cognitive behavioral therapy, an intervention traditionally used to treat mental health disorders like depression, is a promising option for policymakers seeking low-cost solutions to crime and violence.

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Brief
Date:
June 22, 2017
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We show that a number of noncognitive skills and preferences, including patience and identity, are malleable in adults, and that investments in them reduce crime and violence. We recruited criminally engaged men and randomized one-half to eight weeks of cognitive behavioral therapy designed to foster self-regulation, patience, and a noncriminal identity and lifestyle. We also randomized $200 grants. Cash alone and therapy alone initially reduced crime and violence, but effects dissipated over time. When cash followed therapy, crime and violence decreased dramatically for at least a year. We hypothesize that cash reinforced therapy's impacts by prolonging learning-by doing, lifestyle changes, and self-investment.

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Published Paper
Date:
April 03, 2017
English

States and aid agencies use employment programs to rehabilitate high-risk men in the belief that peaceful work opportunities will deter them from crime and violence. Rigorous evidence is rare. We experimentally evaluate a program of agricultural training, capital inputs, and counseling for Liberian ex-fighters who were illegally mining or occupying rubber plantations. 14 months after the program ended, men who accepted the program offer increased their farm employment and profits, and shifted work hours away from illicit activities. Men also reduced interest in mercenary work in a nearby war. Finally, some men did not receive their capital inputs but expected a future cash transfer instead, and they reduced illicit and mercenary activities most of all. The evidence suggests that illicit and mercenary labor supply responds to small changes in returns to peaceful work, especially future and ongoing incentives. But the impacts of training alone, without capital, appear to be low.

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Working Paper
Date:
June 01, 2015
English

Behavioral therapy with cash grants led to significant fall in crime, drug use, and violence among high-risk urban men.

This material is based upon work supported by the National Science Foundation. Any opinions, findings, conclusions, or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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Brief
Date:
April 14, 2015
English

People may under-report sensitive and risky behaviors such as violence or substance abuse in surveys. Misreporting correlated with treatment is especially worrisome in causal analysis. We develop and test a survey validation technique that uses intensive qualitative work to check for measurement error in random subsamples of respondents. Trained local researchers spent several days speaking with and observing respondents within a few days of their survey, validating six behaviors: four potentially sensitive (crime, drug use, homelessness, gambling) and two non-sensitive (phone charging and video club expenditures). Subjects were enrolled in a randomized trial designed to reduce poverty and anti-social behaviors. We find no evidence of underreporting of sensitive behaviors, partly because (we discovered) stigma in this population is low. Nonsensitive expenditures were underreported, however, especially by the control group, probably because of strategic behavior and recall bias. The main contribution is a replicable validation method for observable, potentially sensitive behaviors.

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Working Paper
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June 11, 2014
English

Dispute resolution institutions facilitate agreements and preserve the peace whenever property rights are imperfect. In weak states, strengthening formal institutions can take decades, and so state and aid interventions also try to shape informal practices and norms governing disputes. Their goal is to improve bargaining and commitment, thus limiting disputes and violence. Mass education campaigns that promote alternative dispute resolution (ADR) are common examples of these interventions. We studied the short-term impacts of one such campaign in Liberia, where property disputes are endemic. Residents of 86 of 246 towns randomly received training in ADR practices and norms; this training reached 15% of adults. One year later, treated towns had higher resolution of land disputes and lower violence. Impacts spilled over to untrained residents. We also saw unintended consequences: more extrajudicial punishment and (weakly) more nonviolent disagreements. Results imply that mass education can change high-stakes behaviors, and improving informal bargaining and enforcement behavior can promote order in weak states.

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Published Paper
Date:
February 01, 2014

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