Why do public administrations use hierarchical structures?

Public administrations utilize hierarchical structures primarily to achieve organizational efficiency, accountability, and rational control over government operations. This structure is characterized by a pyramid-shaped command chain where authority flows downward and responsibility flows upward, ensuring that each unit is accountable to a single superior.123

The reliance on hierarchy serves several key functions:

• Efficiency and Specialization: By employing a division of labor, organizations can assign specific tasks to functionally differentiated units, allowing for expertise-based management rather than reliance on tradition or lineage.14
• Rational-Legal Authority: Hierarchies operate through formal rules and clearly defined jurisdictions, which provide a framework for objective decision-making and fairness.14
• Control and Coordination: Principles such as "unity of command"—ensuring each employee has only one supervisor—and a clear chain of command help manage complex government tasks, reduce transaction costs, and prevent opportunism.13
• Accountability: The structure facilitates the implementation of policy by linking the executive to the legislature through budgetary control and oversight, ensuring that administrative actions remain aligned with official objectives.23

While hierarchies stabilize expectations, they are sometimes criticized for hindering flexibility and responsiveness in a globalized environment.1