The main goal of the article is to formulate an approach to appraisal of managerial staff activity from the standpoint of manager’s working time as scarce resource and extent of efficiency of its utilisation, and the issue of optimal allocation of managerial load in the control system.

Although Holmstrom’s informativeness criterion provides a theoretical foundation for the controllability principle and interfirm relative performance evaluation, empirical and field studies provide only weak evidence on such practices. This paper refines the traditional informativeness...