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Disrupting Violence, Protecting Lives: Strangulation Laws and Intimate Partner Homicides

Author

Listed:
  • Dercio de Assis

    (University of Nottingham)

  • Arpita Ghosh

    (University of Exeter)

  • Sonia Oreffice

    (University of Exeter)

  • Climent Quintana-Domeque

    (University of Exeter)

Abstract

Non-fatal strangulation (NFS) is a form of intimate partner violence (IPV) and a strong predictor of intimate partner homicide (IPH). We compile NFS statute data, link them to homicide reports, 1990–2019, and estimate effects on IPH using a two-stage difference-in-differences estimator for staggered adoption and heterogeneous effects. NFS laws reduce IPH for ages 18–49, by 0.169 female-victim homicides per 100,000 women and 0.090 male-victim homicides per 100,000 men. We find no effects on IPH for ages 50–70 or on stranger-perpetrated homicides. Evidence from reported IPV incidents is suggestive of changes in reported incident classification and arrest patterns.

Suggested Citation

  • Dercio de Assis & Arpita Ghosh & Sonia Oreffice & Climent Quintana-Domeque, 2026. "Disrupting Violence, Protecting Lives: Strangulation Laws and Intimate Partner Homicides," Working Papers 2026-009, Human Capital and Economic Opportunity Working Group.
    • Handle: RePEc:hka:wpaper:2026-009
    Note: FI
    as

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    File URL: http://humcap.uchicago.edu/RePEc/hka/wpaper/deAssis_Ghosh_Oreffice_etal_2026_disrupt-violence-protect-lives.pdf
    File Function: First version, June 9, 2026
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    Keywords

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    JEL classification:

    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • J12 - Labor and Demographic Economics - - Demographic Economics - - - Marriage; Marital Dissolution; Family Structure
    • J16 - Labor and Demographic Economics - - Demographic Economics - - - Economics of Gender; Non-labor Discrimination
    • J78 - Labor and Demographic Economics - - Labor Discrimination - - - Public Policy (including comparable worth)
    • K14 - Law and Economics - - Basic Areas of Law - - - Criminal Law
    • K42 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Illegal Behavior and the Enforcement of Law
    • N92 - Economic History - - Regional and Urban History - - - U.S.; Canada: 1913-

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