Advantages of the specialization
Probably the most important single principal in an analysis of the classical approach to organizational design is specialization to work. This principal affects everyone every day. The basic advantage of the specialization lies in the terms of efficiency with which the work is performed because of a person focused his attention on a narrow aspect of the work and he gets mastery over that aspect naturally this result into performing the work more efficiently. Thus if the managerial function is conceived as a set of activities facilitating the work of the organization, these activities can be carries out more efficiently and effectively through the division of work leading to a specialization of the managerial function.