Monetary Policy: Understanding How Central Banks Regulate the Economy
Monetary policy affects inflation, employment, and economic activity by adjusting the money supply and interest rates. It is mainly divided into two types: contractionary and expansionary.
The Role of Monetary Policy
Monetary policy is usually formulated by a central bank or monetary authority, which adjusts the money supply and interest rates to maintain economic stability. Policymakers consider inflation, employment, and economic growth, but trade-offs may exist among these objectives, so the policy stance must be adjusted according to the economic cycle.
Contractionary Monetary Policy
When economic growth is too rapid or inflationary pressures are high, a central bank may raise interest rates or sell government bonds to commercial banks, reducing banks’ lendable funds and the amount of money circulating in the market. This helps curb inflation, but may also suppress consumption and investment, thereby slowing economic growth.
Expansionary Monetary Policy
During an economic downturn, a central bank may lower short-term interest rates, reduce the reserve requirement ratio, or purchase securities to increase the supply of funds and encourage lending, consumption, and investment. These policies aim to promote growth and reduce unemployment, but excessive expansion of the money supply may also drive up inflation.
How the Reserve Requirement Ratio Is Transmitted
The reserve requirement ratio is the proportion of reserves that commercial banks are required to hold relative to the relevant deposits. Lowering the ratio can release some available funds, while raising it constrains lending capacity. The actual impact still depends on banks’ demand for credit, funding conditions, and the specific monetary policy framework.
Original Tutorial
https://www.binance.com/zh-CN/academy/glossary/monetary-policy
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