Management information systemws are installed to monitor divisional performances. There will be reviews of projects, quality, profits and growth levels each year. Heads of Department in a college are required to achieve targets within agreed budgets. However divisional managers will be left to get on and manage their operation in a largely autonomous way. Summary Mintzberg's five elements fall into a rough order.
Large groups are less able to co-ordinate informally.
With further complexity, supervision becomes necessary. Mintzberg suggests that an optimum stage can be reached and passed in terms of how managerial roles are differentiated. If there is a delay in reviewing and realigning roles - once they have evolved beyond an optimum stage, then decline in efficiency may be apparent. We may see group members, instead of applying their energy to key tasks, becoming diverted and spending too much time trying to work through the morass of interactions within a disparate group .