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NCJ Number: 202008 Find in a Library
Title: Measuring the Geographical Displacement and Diffusion of Benefit Effects of Crime Prevention Activity
Journal: Journal of Quantitative Criminology  Volume:19  Issue:3  Dated:September 2003  Pages:275-301
Author(s): Kate J. Bowers; Shane D. Johnson
Editor(s): David McDowall
Date Published: September 2003
Page Count: 27
Sponsoring Agency: Great Britain Home Office
London, SW1H 9AT, England
Publisher: http://www.wkap.nl/journalhome.htm/0748-4518 
Type: Report (Study/Research)
Format: Article
Language: English
Country: United States of America
Annotation: This paper discusses a new technique, the Weighted Displacement Quotient (WDQ), developed to measure the geographical displacement of crime.
Abstract: Crime displacement is one of the most significant potential negative consequences of crime reduction schemes, whether aimed at well-defined geographical locations or specific population groups. This paper will focus on a new type of crime displacement, that of the geographical displacement of crime, concentrating on the displacement of residential burglary. The statistical technique, Weighted Displacement Quotient (WDQ), was developed to measure displacement. The WDQ is fairly simple to implement and flexible enough to allow analyses to be conducted using either aggregate or disaggregate data at almost any unit of analysis. However, there are several issues using such displacement measures which should be raised: (1) the extent to which it is possible to attribute changes in crime in surrounding areas to crime prevention activity within a specified area; (2) the real meaning of project boundaries from crime prevention schemes; (3) the direction of displacement; (4) the dependency of the approach on the nature of the control area(s) used in the construction of the displacement measure; and (5) the longevity of any displacement effect. The WDQ technique does provide a systematic way of measuring the geographical displacement of crime used in a variety of datasets and controls for attribution failure. Figures and references
Main Term(s): Crime displacement
Index Term(s): Burglary; Crime analysis; Crime patterns; Crime prevention measures; Crime specific countermeasures; Geographic distribution of crime; Geographic information systems (GIS)
To cite this abstract, use the following link:
http://www.ncjrs.gov/App/publications/abstract.aspx?ID=202008

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