Was there a Ferguson effect on crime rates in large U.S. cities? Pyrooz, D. C., Decker, S. H., Wolfe, S. E., & Shjarback, J. A. (2016). Was there a Ferguson Effect on crime rates in large U.S. cities? Journal of Criminal Justice, 46, 1–8.
This article looks at the impact of the Ferguson case on crime rates.