Police Performance and Case Attrition in Los Angeles County, 1980-1981 (ICPSR 9352)

Published: Jan 18, 2006

Principal Investigator(s):
Joan Petersilia; Allan F. Abrahamse; James Q. Wilson


Version V1

The purpose of this data collection was to investigate the effects of crime rates, city characteristics, and police departments' financial resources on felony case attrition rates in 28 cities located in Los Angeles County, California. Demographic data for this collection were obtained from the 1983 COUNTY AND CITY DATA BOOK. Arrest data were collected directly from the 1980 and 1981 CALIFORNIA OFFENDER BASED TRANSACTION STATISTICS (OBTS) data files maintained by the California Bureau of Criminal Statistics. City demographic variables include total population, minority population, population aged 65 years or older, number of female-headed families, number of index crimes, number of families below the poverty level, city expenditures, and police expenditures. City arrest data include information on number of arrests disposed and number of males, females, blacks, and whites arrested. Also included are data on the number of cases released by police, denied by prosecutors, and acquitted, and data on the number of convicted cases given prison terms.

Petersilia, Joan, Abrahamse, Allan F., and Wilson, James Q. Police Performance and Case Attrition in Los Angeles County, 1980-1981. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2006-01-18. https://doi.org/10.3886/ICPSR09352.v1

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United States Department of Justice. Office of Justice Programs. National Institute of Justice (85-IJ-CK-0072)

1980 -- 1981


The data for the 28 cities are broken into 7 files.

Eligible cities met all of the following criteria: (1) the city's demographic data were published in the 1983 COUNTY AND CITY DATA BOOK, (2) the police department made more than 300 felony arrests per year, and (3) the police department agreed to participate in the study. Fifteen arresting agencies, including the Los Angeles Police Department and Los Angeles County Sheriff's Office, were excluded.

Cities in Los Angeles County, California.


aggregate data



2006-01-18 File CB9352.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.


  • The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.

  • The citation of this study may have changed due to the new version control system that has been implemented.
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This dataset is maintained and distributed by the National Archive of Criminal Justice Data (NACJD), the criminal justice archive within ICPSR. NACJD is primarily sponsored by three agencies within the U.S. Department of Justice: the Bureau of Justice Statistics, the National Institute of Justice, and the Office of Juvenile Justice and Delinquency Prevention.