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

Dercio de Assis (), Arpita Ghosh (), Sonia Oreffice and Climent Quintana-Domeque ()
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Dercio de Assis: University of Nottingham
Arpita Ghosh: University of Exeter
Climent Quintana-Domeque: University of Exeter

No 2026-009, Working Papers from Human Capital and Economic Opportunity Working Group

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.

Keywords: criminal justice; domestic violence; gender; intimate partner violence (search for similar items in EconPapers)
JEL-codes: C21 I18 J12 J16 J78 K14 K42 N92 (search for similar items in EconPapers)
Date: 2026-08
Note: FI
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http://humcap.uchicago.edu/RePEc/hka/wpaper/deAssi ... ce-protect-lives.pdf First version, June 9, 2026 (application/pdf)

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Working Paper: Disrupting Violence, Protecting Lives: Strangulation Laws and Intimate Partner Homicides (2026)
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