Between 1991 and 2001, crime rates dropped by about a third across all crime categories. We suggest that the introduction and growth of mobile phone technology may have contributed to the crime decline in the 1990s, specifically in the areas of rape and assault. Given that mobile phones increase...

We argue that changes in the terror alert level set by the Department of Homeland Security provide a shock to police presence in the Mall area of Washington, D.C. Using daily crime data during the period the terror alert system has been in place, we show that crime drops significantly, both...

We argue that changes in the terror alert level set by the Department of Homeland Security provide a shock to police presence in the Mall area of Washington, D.C. Using daily crime data during the period the terror alert system has been in place, we show that crime drops significantly, both...

Research demonstrates that police reduce crime. The implication of this research for investment in a particular form of extra police services, those provided by private institutions, has not been rigorously examined. We capitalize on the discontinuity in police force size at the geographic...

It is commonly assumed that potential offenders are more responsive to increases in the certainty than increases in the severity of punishment. An important implication of this assumption within the Beckerian law enforcement model is that criminals are risk-seeking. This note adds to existing...

Objectives: This study examines the impact of alcohol consumption in a Major League Baseball (MLB) stadium on area level counts of crime. The modal practice at MLB stadiums is to stop selling alcoholic beverages after the seventh inning. Baseball is not a timed game, so the duration between end...