The identification and description of the personnel components of a library and their interrelations are used to construct an input-output model similar to those used to analyze the interdependence among sectors in an economy. This model makes it possible to forecast personnel requirements resulting from changes in demands for library services.…

Examines "A Planning Process for Public Libraries," published by the Public Library Association in 1980, discussing the mission of the public library, survey research and data collection, library goals and objectives, planning strategies, budgeting, the political environment, and output measures. Twenty-six references are cited. (EJS)