We evaluate whether California's state proposition 47 impacted state violent and property crime rates. Passed by the …-level crime rates that exploit heterogeneity in the effects of the proposition on local criminal justice practices. We find little … evidence of an impact on violent crime rates in the state. Once changes in offense definitions and reporting practices in key …

criminal opportunities. We focus on local non-rival crime deterrence that is more efficient against criminals pursuing domestic … centralization less desirable. -- crime mobility ; crime deterrence ; decentralization ; strategic delegation ; side payments …