Professional corps of officials organized in a pyramidal hierarchy and functioning under impersonal, uniform rules and procedures.
Its characteristics were first formulated systematically by division of labour , authority based on administrative rules rather than personal allegiance or social custom, and a "rational" and impersonal institution whose members function more as "offices" than as individuals. For Weber, bureaucracy was a form of legalistic "domination" inevitable under capitalism . Later writers saw in bureaucracy a tendency to concentrate power at the top and become dictatorial, as occurred in the {{link=Union of Soviet Socialist Republics">Soviet Union . Robert K. Merton emphasized its red tape and inefficiency due to blind conformity to procedures. More recent theories have stressed the role of managerial cliques, occupational interest groups, or individual power-seekers in creating politicized organizations characterized by internal conflict.