The institutional form of independent central banks - from history to contemporary challenges

1. The question of legitimacy

Speaking at an LSE conference, the Governor of the Bank of England examined independent central banks as institutions. He recalled that in 1780 a young Alexander Hamilton admired how the Bank of England combined public authority with private credit. Since central banks shape borrowing costs, savings, jobs and financial stability, critics ask why unelected bodies should hold such power: some say they serve financial interests, others that they ignore citizens' wishes. He set out to answer by tracing the ideas behind them.

2. Two intellectual traditions

Economists usually justify independence by credibility: governments are tempted by short-term monetary choices and tend to neglect financial stability until a crisis is near. Bailey went further back. Montesquieu wanted intermediate bodies, such as courts and parliaments, to restrain arbitrary power, though their authority grew from long-standing roots. A second line of English thought moved money away from the sovereign's control: Hobbes saw monetary power as part of sovereignty, while Locke, in the coinage disputes of the 1690s, argued that changing money's value at will destroyed trust and trade, and Hume presented stable money and credit as foundations of commercial prosperity. Monetary stability thus became a public good.

3. The early Bank of England

The Bank was founded in 1694 to support expanding commerce and to fund war with France. It began as a deal between the state and a small circle of wealthy financiers and was deeply involved in politics; writers at the time feared that public debt would give financiers power without legitimacy. Central banking therefore evolved slowly, and its origins resemble Mancur Olson's organised interest groups more than a neutral public institution.

4. Public good, not group interest

Modern central banks combine both traditions: they limit the misuse of power over money and protect a good shared by all. Drawing on Brian Barry, Bailey distinguished competing private interests, which democracy arbitrates, from goods that matter to everyone, such as the value of money. Interest rates and financial rules do affect groups differently, but their purpose is to preserve conditions for lasting prosperity. Lacking deep social roots, a central bank must avoid being captured by any sector or movement. Its legitimacy comes from Parliament, which sets its goals and powers and can change them.

5. Today's challenges

Trust in public bodies is falling. Critics say central banks are too close to finance, while banks complain that regulation has gone too far; criticism from both sides does not prove the bank right, but shows that independence means resisting organised interests. Populism is a second threat: by claiming to embody the whole people, it erases the line between public interest and public good and treats independent bodies as obstacles. Central banks must therefore explain their choices, engage with the public and answer to elected representatives, in Britain the Treasury Committee.

6. Conclusion

Scrutiny is healthy. Prosperity depends on confidence that money keeps its value and the financial system holds. Independence means protection from short-term political pressure inside a democratic framework, resting on delegation and accountability, which should be strengthened through transparency and openness. Households, firms and markets all plan on the basis of stable money, and such trust takes generations to build but can be lost quickly, which is why he argued that the foundations of independence should be reinforced rather than weakened.