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The Global Insight

How the Federal Reserve controls the money supply?

Author

James Williams

Updated on February 19, 2026

The Fed controls the supply of money by increas- ing or decreasing the monetary base. The monetary base is related to the size of the Fed’s balance sheet; specifically, it is currency in circulation plus the deposit balances that depository institutions hold with the Federal Reserve.

How does the federal government regulates banking and our money supply?

The Federal Reserve System manages the money supply in three ways: Reserve ratios. Banks are required to maintain a certain proportion of their deposits as a “reserve” against potential withdrawals. By varying this amount, called the reserve ratio, the Fed controls the quantity of money in circulation.

Does the Fed supply services to banks?

The Federal Reserve Banks provide financial services to depository institutions including banks, credit unions, and savings and loans, much like those that banks provide for their customers. These services include collecting checks, electronically transferring funds, and distributing and receiving cash and coin.

How is fed structured?

The Federal Reserve System has a two-part structure: a central authority called the Board of Governors located in Washington, D.C., and a decentralized network of 12 Federal Reserve Banks located throughout the U.S. One of the most visible functions of the Fed plays out at the meetings of the Federal Open Market …

How is the total supply of federal funds determined?

Whereas the total demand for federal funds is determined by the private banking system, the total supply of federal funds is determined by the Fed. The Fed creates federal funds — that is, balances banks hold at the Fed — when it purchases assets or makes loans to these banks.

How does the Federal Reserve control the money supply?

It uses its power to change the money supply in order to control inflation and interest rates, increase employment, and influence economic activity. Three tools used by the Federal Reserve System in managing the money supply are open market operations, reserve requirements, and the discount rate.

How does the banking system affect the money supply?

Additionally, the lending function of commercial banks is the means by which the money supply in our economy changes in response to the ups and downs of the business cycle. This lesson focuses on the operation of the commercial banking system, and the mechanics of money creation through the lending process.

How is the composition of the money supply determined?

The Federal Reserve and the U.S. Treasury determine the composition of the money supply. Money deposited in a bank (financial intermediary) stays there until the depositor takes it out. All banks are always “loaned up.