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- catalog abstract "Three important challenges in the crime literature are to isolate significant causal effects of police on crime, to distinguish between deterrence and incapacitation, and to provide some estimate of the amount of displacement induced by visible deterrence activities. Following a terrorist attack in the main Jewish center in the city of Buenos Aires, Argentina, in July1994, all Jewish and Muslim institutions (including schools, synagogues, mosques 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. Furthermore, induced changes in crime can only reflect deterrence effects. We collected data on the locationof all car thefts for three large neighborhoods before and after the terrorist attack to study the effect of observable police on crime. Our estimates suggestthat there is a large, negative, local effect of police presence on crime. We also findevidence of displacement: there is a positive and significant effect of police presence on the amount of car theft in the immediate surrounding area. The effects approximately cancel out, so there is no overall effect of observable police oncrime.".
- catalog contributor b12147568.
- catalog contributor b12147569.
- catalog contributor b12147570.
- catalog created "c2001.".
- catalog date "2001".
- catalog date "c2001.".
- catalog dateCopyrighted "c2001.".
- catalog description "Includes bibliographical references.".
- catalog description "Three important challenges in the crime literature are to isolate significant causal effects of police on crime, to distinguish between deterrence and incapacitation, and to provide some estimate of the amount of displacement induced by visible deterrence activities. Following a terrorist attack in the main Jewish center in the city of Buenos Aires, Argentina, in July1994, all Jewish and Muslim institutions (including schools, synagogues, mosques 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. Furthermore, induced changes in crime can only reflect deterrence effects. We collected data on the locationof all car thefts for three large neighborhoods before and after the terrorist attack to study the effect of observable police on crime. Our estimates suggestthat there is a large, negative, local effect of police presence on crime. We also findevidence of displacement: there is a positive and significant effect of police presence on the amount of car theft in the immediate surrounding area. The effects approximately cancel out, so there is no overall effect of observable police oncrime.".
- catalog extent "29 p. :".
- catalog isPartOf "Working paper (Harvard Business School. Division of Research) ; 01-076.".
- catalog isPartOf "Working paper / Division of Research, Harvard Business School ; 01-076".
- catalog issued "2001".
- catalog issued "c2001.".
- catalog language "eng".
- catalog publisher "[Boston] : Division of Research, Harvard Business School,".
- catalog title "Using a terrorist attack to estimate the effect of police on crime / Rafael Di Tella, Ernesto Schargrodsky.".
- catalog type "text".