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The document referenced below is part of the NCJRS Library collection.
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NCJ Number: NCJ 208800     Find in a Library
Title: Evaluation of the Effectiveness of Automobile Parts Marking and Anti-Theft Devices on Preventing Theft
  Document URL: PDF 
Author(s): William Rhodes ; Ryan Kling
Corporate Author: Abt Associates, Inc
United States of America
Date Published: 09/2003
Page Count: 48
  Annotation: This report presents findings from an evaluation that determined the effectiveness of marking automobile parts and using factory-installed anti-theft devices to reduce the automobile theft rate.
Abstract: The evaluation was able to draw upon a population of automobiles that never received either parts marking or anti-theft systems, which acted as a comparison group. The analysis used statistical procedures, based on Generalized Linear Least Squares and Maximum Likelihood Poisson regression models, to estimate the reduction in automobile theft attributable to parts marking and factory-installed anti-theft devices. The application of cost-benefit criteria required that the estimated reduction in theft be valued at the cost of a stolen car compared with the cost of marking automobile parts and equipping them with anti-theft equipment at the factory. The evaluation concluded that both parts marking and anti-theft devices are cost-effective ways of reducing automobile thefts. One estimate concluded that parts marking reduces automobile theft by 138 to 207 cars per 100,000 registered automobiles. Another estimate indicated that parts marking reduces car theft by 220 to 300 automobiles per 100,000 registered cars. Given the benefit from preventing an auto theft ($6,000 on average) and assuming the cost of marking automobiles at $0.50 per car per year, parts-marking would be cost-beneficial if it prevented 9 thefts per 100,000 registered automobiles. Regarding the effectiveness of anti-theft devices, one estimate indicates that these devices reduce auto thefts by between 311 and 445 per 100,000 registered cars per year. Another estimate is theft reduction by between 413 and 475 per 100,000 registered cars. Assuming a $6,000 average loss per stolen car and assuming that anti-theft devices cost $20 per car per year, anti-theft devices would have a favorable benefit-cost ratio if the devices prevented 330 thefts per 100,000 registered cars per year. Extensive tables and figures and 24 references
Main Term(s): Effectiveness of crime prevention programs
Index Term(s): Motor Vehicle Theft ; Crime specific countermeasures ; Vehicle identification numbers ; Stolen vehicles ; Vehicle location monitors ; Vehicle identification ; NIJ grant-related documents
Sponsoring Agency: National Institute of Justice (NIJ)
US Department of Justice
Office of Justice Programs
United States of America
Grant Number: OJP-99-165-M
Sale Source: Abt Associates, Inc
55 Wheeler Street
Cambridge, MA 02138
United States of America

NCJRS Photocopy Services
Box 6000
Rockville, MD 20849-6000
United States of America
Type: Report (Study/Research) ; Legislation/Policy Analysis
Country: United States of America
Language: English
Note: Dataset may be archived by the NIJ Data Resources Program at the National Archive of Criminal Justice Data
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