The death penalty deters violent crime
Empirical studies and historical analyses consistently indicate that capital punishment fails to provide a measurable deterrent effect against violent crime, contradicting classical deterrence theory.
The retrieved literature specifically examining the death penalty (papers 2, 3, and 6) indicates that capital punishment does not deter violent crime, with studies showing no significant difference in crime rates based on the death penalty or pointing out severe methodological flaws in claims of marginal deterrence. Papers 0, 1, 8, 10, and 11 discuss general deterrence, workplace safety enforcement, corruption, or health care fraud, which are tangential or pertain to non-capital administrative and property crimes rather than the specific claim regarding the death penalty and violent crime. Papers 4, 5, 7, and 9 are entirely unrelated. Therefore, the claim is refuted by the direct evidence.
R. Weisberg. THE DEATH PENALTY MEETS SOCIAL SCIENCE: Deterrence and Jury Behavior Under New Scrutiny. 2005. https://doi.org/10.1146/ANNUREV.LAWSOCSCI.1.051804.082336
The review notes that while some newer econometric studies claim marginal deterrence, they face severe criticism for methodological flaws, omitting key variables, and anomaly distortions.
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Derral Cheatwood. Capital Punishment and the Deterrence of Violent Crime in Comparable Counties. 1993. https://doi.org/10.1177/073401689301800202
County-level matching analyses find that capital punishment variables do not account for any significant portion of differences in violent crime rates and show no deterrent effect.
M. Watt Espy. Capital Punishment and Deterrence. 1980. https://doi.org/10.1177/001112878002600407
Historical examinations of executions demonstrate that capital punishment has failed as a means of deterring others from committing capital crimes.
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