The Index of American Public Library Circulation dates back to 1939, and the Index of American Public Library Expenditures to 1951. These indexes are based on annual reports from a sample of all American public libraries serving more than 25,000 people each. Using the 1982 American Library Directory, the researchers identified 1,586 public…

Statistics on book budgets, population served, and collection size of individual public libraries in New York State were correlated with their circulation data to examine efficiency of scale for mid-size libraries. Findings show that circulation increases erratically with increased book budgets and size of population, but consistently with…

Analyses of the relationship between costs and output in more than 3,000 United States academic libraries show that average costs rise more rapidly than output for all types of libraries except two-year private colleges. Major differences in workload and expenditures were found between two-year and four-year public and private institutions. (EJS)

In order to explain the derivation and implications of the Association of Research Libraries (ARL) Library Index (a descriptive statistical indicator of research library quality which is based on an analysis of certain key library characteristics), this paper discusses regression and correlation as methods for measuring relations between such…