Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/147394
Authors: 
Stratmann, Thomas
Thomas, David Chandler
Year of Publication: 
2016
Series/Report no.: 
CESifo Working Paper 6140
Abstract: 
Several theories have been offered to explain the recent declines in violent crime rates in the United States. We hypothesize that technological innovations, which improved information transmission and shortened the response time between an aggravated assault incident and treatment, reduced the cost of saving lives and caused much of the decline in homicide rates in recent decades. Using difference-in-differences and event studies, we show that improvements in emergency services (9-1-1) caused significant decreases in homicide rates. Various falsification tests support these findings.
Subjects: 
homicides
aggravated assault
response times
value of time
9-1-1
JEL: 
D00
I10
K00
Document Type: 
Working Paper

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