Effects of Adolescent Victimization on Offending: Flexible Methods for Missing Data & Unmeasured Confounding
Mateo Dulce Rubio, Edward H. Kennedy, Valerio Ba\'cak, Daniel S. Nagin

TL;DR
This study uses advanced statistical methods on a large adolescent dataset to demonstrate that victimization causally increases future offending, especially non-violent crimes, with effects varying by age and robustness to confounding.
Contribution
It introduces a new doubly robust estimator for missing data and unmeasured confounding, providing stronger causal evidence of victimization's impact on adolescent offending.
Findings
Victimized adolescents have a 3.86% higher offending rate.
The effect of victimization decreases with age at victimization.
Results are robust to modest unmeasured confounding.
Abstract
The causal link between victimization and violence later in life is largely accepted but has been understudied for victimized adolescents. In this work we use the Add Health dataset, the largest nationally representative longitudinal survey of adolescents, to estimate the relationship between victimization and future offending in this population. To accomplish this, we derive a new doubly robust estimator for the average treatment effect on the treated (ATT) when the treatment and outcome are not always observed. We then find that the offending rate among victimized individuals would have been 3.86 percentage points lower if none of them had been victimized (95% CI: [0.28, 7.45]). This contributes positive evidence of a causal effect of victimization on future offending among adolescents. We further present statistical evidence of heterogeneous effects by age, under which the ATT…
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Taxonomy
TopicsAdvanced Causal Inference Techniques · Agricultural risk and resilience · Crime Patterns and Interventions
