Urban 11-16

Urban 11-16 - Urban Economics Lecture 11-16 Crime:...

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Urban Economics Lecture 11-16 Crime: (continued) 1-Victims 2-Police 3-Incarceration 4-Other incapacitation Police: 1-Reduce offender curve? 2-Reduce index crime? 3-Arrest rate matters (elasticity= E= -.2, -.4) 4-Other stuff matters too 5- Community matters shows that something about what police do, reduces index crime cost-benefit analysis by a benefit, how likely am I to be caught? what happens if I get caught? Deterrence = probability of punishment (certainty) x cost of punishment to criminal (severity) Deterrence= certainty x severity increasing either certainty or severity increases the deterrence, less likely to do it police mainly operate on this function elasticity of certainty is greater than elasticity of severity higher arrest rate, shows lower crime rates, certainty matters some methods of police are more effective than others directed patrol, police sent into "hot spots" cracking down on minor crimes to reduce major crimes does not really work community matters: need witnesses Incarceration:
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This note was uploaded on 02/16/2011 for the course ECON 4228 taught by Professor O'flaherty during the Spring '11 term at Columbia.

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Urban 11-16 - Urban Economics Lecture 11-16 Crime:...

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