We argue that the key impediment to accurate measurement of the effect of police on crime is not necessarily … simultaneity bias, but bias due to mismeasurement of police. Using a new panel data set on crime in medium to large U.S. cities … over 1960- 2010, we obtain measurement error corrected estimates of the police elasticity of the cost-weighted sum of …

We argue that the key impediment to accurate measurement of the effect of police on crime is not necessarily … simultaneity bias, but bias due to mismeasurement of police. Using a new panel data set on crime in medium to large U.S. cities … over 1960- 2010, we obtain measurement error corrected estimates of the police elasticity of the cost-weighted sum of …

An important challenge in the crime literature is to isolate significant causal effects of police on crime. Following a … institutions (including schools, synagogues, mosques, cemeteries and clubs) were given 24-hour police surveillance. Thus, this … hideous event induced a geographical allocation of police forces that can be presumed exogenous in a crime regression. Using …