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The Prison Paradox: More Incarceration Will Not Make Us Safer (2017)

"Despite its widespread use, research shows that the effect of incarceration as a deterrent to crime is minimal at best, and has been diminishing for several years. Indeed, increased rates of incarceration have no demonstrated effect on violent crime and in some instances may increase crime. There are more effective ways to respond to crime—evidenced by the 19 states that recently reduced both their incarceration and crime rates. This brief summarizes the weak relationship between incarceration and crime reduction, and highlights proven strategies for improving public safety that are more effective and less expensive than incarceration."