Measuring the Impacts of Everyday Police Proactive Activities: Tackling the Endogeneity Problem
Objectives To examine how the practice of daily proactivity affects and responds to changes in crime at micro geographic and temporal scales. Methods Police calls for service and automated vehicle location data from a large suburban jurisdiction were used to create comprehensive measures of police p...
| Authors: | ; ; |
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| Format: | Electronic Article |
| Language: | English |
| Published: |
2022
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| In: |
Journal of quantitative criminology
Year: 2022, Volume: 38, Issue: 2, Pages: 343-363 |
| Online Access: |
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| Summary: | Objectives To examine how the practice of daily proactivity affects and responds to changes in crime at micro geographic and temporal scales. Methods Police calls for service and automated vehicle location data from a large suburban jurisdiction were used to create comprehensive measures of police proactivity. Panel data and the generalized method of moments framework were applied to tease out the endogenous relationships between crime and police proactivity and understand the unique impact of proactive patrol and crime upon one another. Results Daily police proactivity in this locality was highly stable at micro places, although police did intensify their activities very briefly in response to recent changes in crime. In turn, increases in proactive patrol generated immediate increases in crime reporting, followed by fleeting residual deterrent effects that were weaker and less robust. The patterns remained relatively consistent when varying the units of analysis or focusing on hot spots with different profiles of proactivity, but the deterrent effects appeared more sensitive to model specification. Of all measures of proactivity, patrols of medium length and non-traffic enforcement activities were associated with stronger evidence of crime reduction effects. Conclusions Short-term adjustments in hot spot patrols appear to produce both reporting effects and temporary residual deterrent effects as measured through calls for service and police vehicle location data. Police could potentially enhance and prolong their deterrence by adopting more deliberate strategies with their daily proactive behaviors, including making their proactive activities more targeted and sustained. |
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| ISSN: | 1573-7799 |
| DOI: | 10.1007/s10940-021-09496-8 |