Describes a new analytical tool, data envelope analysis (DEA) model, which can provide better understanding of the efficiency of academic research libraries. Reports the results of a study using 1994-1995 Association of Research Libraries statistics together with expert judgments, in terms of constraints, to make the model more applicable to the…

Describes a study at the University of Michigan that examined the extent of serials duplication among branch and divisional libraries, the portion of the serials budget made up of duplications, and the relationship between duplication and serials characteristics. Ways to avoid serials duplication are suggested based on the findings of this study.…

This reexamination of earlier forecasts and statistics related to research library growth--Purdue studies first published in 1965, data and forecasts from Fremont Rider's 1944 book--shows mixed results for evidence of continuing rapid growth of collections and acquisition expenditures and marked decline in acquisition rates. (16 references) (EJS)