Evaluating the Impact of Florida’s “Stand Your Ground” Self-defense Law on Homicide and Suicide by Firearm: An Interrupted Time Series Study

@article{Humphreys2017EvaluatingTI,
  title={Evaluating the Impact of Florida’s “Stand Your Ground” Self-defense Law on Homicide and Suicide by Firearm: An Interrupted Time Series Study},
  author={David K Humphreys and Antonio Gasparrini and Douglas J. Wiebe},
  journal={JAMA Internal Medicine},
  year={2017},
  volume={177},
  pages={44–50}
}
Importance In 2005, Florida amended its self-defense laws to provide legal immunity to individuals using lethal force in self-defense. The enactment of “stand your ground” laws in the United States has been controversial and their effect on rates of homicide and homicide by firearm is uncertain. Objective To estimate the impact of Florida’s stand your ground law on rates of homicide and homicide by firearm. Design, Setting, and Participants Using an interrupted time series design, we analyzed… 

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References

SHOWING 1-10 OF 33 REFERENCES
An assessment of the intended and unintended consequences of Arizona's Self-Defense, Home Protection Act
On 24 April 2006 the Governor of Arizona signed into law a series of amendments to Title 13 of the Arizona Revised Statutes (Senate Bill 1145 2006). A key feature of this legislation, the so-called
Does Strengthening Self-Defense Law Deter Crime or Escalate Violence?: Evidence from Expansions to Castle Doctrine
From 2000 to 2010, more than 20 states passed so-called "Castle Doctrine" or "stand your ground" laws. These laws expand the legal justification for the use of lethal force in self-defense, thereby
The Deterrent Effect of the Castle Doctrine Law on Burglary in Texas
From 2005 through 2008, 23 states across the nation have enacted laws generally referred to as “castle doctrine” laws or “stand your ground” laws. A castle doctrine law gives a homeowner the legal
Stand Your Ground Laws, Homicides, and Injuries
This paper examines the impact of Stand Your Ground laws on firearm homicides and injuries. Using state-level monthly data and a difference-in-difference identification strategy, we find that these
From a Duty to Retreat to Stand Your Ground
This article explores the historical and ideological roots of the recent proliferation of Stand Your Ground laws (through more than half the states) and their disproportionately devastating effects
Evaluating the Impact of Flexible Alcohol Trading Hours on Violence: An Interrupted Time Series Analysis
TLDR
No evidence that a national policy increasing the physical availability of alcohol affected the overall volume of violence is found, however, evidence suggesting that the policy may be associated with changes to patterns of violence in the early morning.
Impact of 2008 global economic crisis on suicide: time trend study in 54 countries
TLDR
Rises in national suicide rates in men seemed to be associated with the magnitude of increases in unemployment, particularly in countries with low levels of unemployment before the crisis and countries with higher levels of job loss after the crisis.
The effect of the late 2000s financial crisis on suicides in Spain: an interrupted time-series analysis.
TLDR
The financial crisis in Spain has been associated with a relative increase in suicides and the association between the crisis and suicide rates is greatest in the Mediterranean and Northern areas, in males and amongst those of working age.
...
...