What is a key feature of a monetary union?

A key feature of a monetary union is the adoption of a common currency among member countries. This allows for easier trade and investment between the member states, as it eliminates the complexities and costs associated with currency exchange. By using a shared currency, the member countries aim to achieve greater economic stability and integration, which can lead to increased efficiency in commerce and a reduction in inflationary pressures.

In a monetary union, the member countries typically also share a central bank or monetary authority responsible for managing the currency and implementing monetary policy. This centralization helps to ensure consistency in interest rates and inflation targets across the union, which can further enhance economic stability among the member states.

In contrast to independent monetary policies or high tariffs, a monetary union creates an environment where cooperation and alignment in monetary affairs are paramount, promoting a unified economic framework rather than fragmented monetary strategies. This aspect differentiates a monetary union from other types of economic agreements.