Why have markets and networks not completely replaced bureaucratic hierarchies in government?

While markets and networks offer alternative modes of coordination, bureaucratic hierarchies remain essential in government because no other organizational form provides the same level of regularity and accountability.1

Bureaucracies are defined by their reliance on legal-rational authority, which utilizes uniform rules, procedures, and written records to ensure consistency and organizational memory. This structure allows for:23

• Accountability: Hierarchies establish a clear chain of command where units are accountable to superiors, a feature often obscured in the institutional complexity of networks.45
• Efficiency and Stability: Through the division of labor and professional management, bureaucracies maintain equilibrium and technical proficiency, preventing the crises that might arise from incompetency in less structured systems.46
• Standardization: Hierarchies provide a predictable framework for public administration that markets and networks—which rely on price mechanisms or trust—cannot replicate for all governmental functions.25

While critics argue that bureaucracies can be inflexible or unresponsive, they remain a fundamental mechanism for governance. Consequently, modern states typically employ a mixture of hierarchies, markets, and networks, selecting the form most appropriate for specific tasks rather than replacing bureaucracy entirely.15