Thoughts and News on Criminal Justice and Correctional Policy in California
Saturday, November 6, 2010
Incarceration Length and Recidivism
This morning at CELS I heard a paper by David Abrams titled Building Criminal Capital vs Specific Deterrence: The Effect of Incarceration Length on Recidivism. Abrams sought to figure out what sort of relationships existed between incarceration and recidivism. These sort of studies often present serious challenges, because length of incarceration might reflect other factors about the defendants that might predict recidivism later on. However, Abrams built on an opportunity to control for that, since defendants were randomly assigned to public defenders of differing attorney ability. Attorney ability therefore allowed him to instrument for sentence length. The findings were that the relationship between sentence length and incarceration was not linear. For the lowest sentences, the relationship is negative; it becomes positive for an intermediate sentence length, and then negative for the longest sentences. The conclusions tie the findings with theories of criminal capital formation and with specific deterrence.
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