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Predicting and Preventing Gun Violence: An Experimental Evaluation of READI Chicago

Author

Listed:
  • Bhatt, Monica
  • Heller, Sara
  • Kapustin, Max

    (Cornell University)

  • Bertrand, Marianne
  • Blattman, Christopher

    (University of Chicago)

Abstract
Gun violence is the most pressing public safety problem in American cities. We report results from a randomized controlled trial (N = 2, 456) of a community-researcher partnership—the Rapid Employment and Development Initiative (READI Chicago)— which provided 18 months of a supported job alongside cognitive behavioral therapy and other social supports. Algorithmic and human referral methods identified men with strikingly high scope for gun violence reduction: for every 100 people in the control group, there were over 11 shooting and homicide victimizations during the 20-month outcome period. Take-up and retention rates were comparable to programs for people facing far lower mortality risk. There is no statistically significant change in an index combining three measures of serious violence, the study’s primary outcome. But one component, shooting and homicide arrests, shows a suggestive decline of 64 percent (p = 0.15). Because shootings are so costly, READI generates social savings between \$174,000 and \$858,000 per participant, implying a benefit-cost ratio between 3.8 and 18.8 to 1. Moreover, participants referred by outreach workers—a pre-specified subgroup—show enormous declines in both arrests and victimizations for shootings and homicides that remain statistically significant even after multiple testing adjustments. These declines are concentrated among outreach referrals with high predicted risk, suggesting that human and algorithmic targeting may work better together.

Suggested Citation

  • Bhatt, Monica & Heller, Sara & Kapustin, Max & Bertrand, Marianne & Blattman, Christopher, 2023. "Predicting and Preventing Gun Violence: An Experimental Evaluation of READI Chicago," SocArXiv dks29, Center for Open Science.
    • Handle: RePEc:osf:socarx:dks29
    DOI: 10.31219/osf.io/dks29
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    Cited by:

    1. Evans, William N. & Kotowski, Maciej H., 2024. "The demand for protection and the persistently high rates of gun violence among young black males," Journal of Public Economics, Elsevier, vol. 234(C).
    2. James J. Heckman & Bridget Galaty & Haihan Tian, 2023. "The Economic Approach to Personality, Character and Virtue," NBER Working Papers 31258, National Bureau of Economic Research, Inc.
    3. Barham, Tania & Cadena, Brian C. & Turner, Patrick S, 2023. "Taking a Chance on Workers: Evidence on the Effects and Mechanisms of Subsidized Employment from an RCT," IZA Discussion Papers 16221, Institute of Labor Economics (IZA).

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    More about this item

    JEL classification:

    • C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods
    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • I38 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Government Programs; Provision and Effects of Welfare Programs
    • J08 - Labor and Demographic Economics - - General - - - Labor Economics Policies
    • K42 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Illegal Behavior and the Enforcement of Law

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