This process leads to the creation, extension, or perpetuation of a middle stratum of technicians and specialists working in the service of the elite.  These include public officials, craftsmen, artists, servants, merchants, soldiers, priests, and scholars.  The chief task of the officials is to locate the economic surplus and separate it from its producers (1966, p.62).

In short, a complex apparatus is brought into being, the primary function of which is to insure the elite's continued control over the economic surplus and its transformation into the varied kinds of goods and services the elite desires (1966, p.63).