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Reducing Crime and Violence: Experimental Evidence from Cognitive Behavioral Therapy in Liberia

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  • Christopher Blattman
  • Julian C. Jamison
  • Margaret Sheridan

Abstract

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.

Suggested Citation

  • Christopher Blattman & Julian C. Jamison & Margaret Sheridan, 2017. "Reducing Crime and Violence: Experimental Evidence from Cognitive Behavioral Therapy in Liberia," American Economic Review, American Economic Association, vol. 107(4), pages 1165-1206, April.
  • Handle: RePEc:aea:aecrev:v:107:y:2017:i:4:p:1165-1206
    Note: DOI: 10.1257/aer.20150503
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    References listed on IDEAS

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    4. Christopher Blattman & Nathan Fiala & Sebastian Martinez, 2014. "Generating Skilled Self-Employment in Developing Countries: Experimental Evidence from Uganda," The Quarterly Journal of Economics, Oxford University Press, vol. 129(2), pages 697-752.
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    Cited by:

    1. Ferreira,Francisco H. G. & Galasso,Emanuela & Negre,Mario, 2018. "Shared prosperity : concepts, data, and some policy examples," Policy Research Working Paper Series 8451, The World Bank.
    2. repec:eee:joepsy:v:64:y:2018:i:c:p:89-104 is not listed on IDEAS
    3. Mario A. Maggioni & Domenico Rossignoli & Simona Beretta & Sara Balestri, 2017. "Trust behind bars: a longitudinal study of inmates? prosocial preferences," DISEIS - Quaderni del Dipartimento di Economia internazionale, delle istituzioni e dello sviluppo dis1701, Università Cattolica del Sacro Cuore, Dipartimento di Economia internazionale, delle istituzioni e dello sviluppo (DISEIS).

    More about this item

    JEL classification:

    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
    • I32 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Measurement and Analysis of Poverty
    • K42 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Illegal Behavior and the Enforcement of Law
    • O15 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Economic Development: Human Resources; Human Development; Income Distribution; Migration
    • O17 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Formal and Informal Sectors; Shadow Economy; Institutional Arrangements

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