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What Are Bank Reserves?
Bank reserves, crucial to financial stability, are the minimum cash reserves institutions must maintain to meet central bank mandates. Held either in vaults or at the central bank, these reserves ensure banks can manage unexpected withdrawals and play a vital role in both economic stability and monetary policy.
In the U.S., the Federal Reserve dictates the amount of cash, called the reserve ratio, that each bank must maintain. Historically, the reserve ratio has ranged from zero to 10% of bank deposits.
Key Takeaways
- Bank reserves are the minimal amounts of cash that financial institutions are required to have on hand to meet central bank requirements.
- Reserves are crucial in ensuring a bank can meet unexpected withdrawal demands, preventing panic and potential bank runs.
- In response to the COVID-19 pandemic, the Federal Reserve set the reserve requirement ratio to zero as of March 26, 2020.
- Excess reserves are additional funds that banks hold beyond the required minimum, but banks typically avoid maintaining these as they earn no interest.
- Despite the reduction in reserve requirements, banks still need to meet liquidity coverage ratios to ensure readiness for financial crises.
Mechanisms and Functions of Bank Reserves
Bank reserves are primarily an antidote to panic. The Federal Reserve obliges banks to hold a certain amount of cash in reserve so that they never run short and have to refuse a customer’s withdrawal, possibly triggering a bank run.
A central bank may also use bank reserve levels as a tool in monetary policy. It can lower the reserve requirement so that banks are free to make a number of new loans and increase economic activity. Or it can require that the banks increase their reserves to slow economic growth.
In recent years, the U.S. Federal Reserve and the central banks of other developed economies have turned to other tactics such as quantitative easing (QE) to achieve the same goals. The central banks in emerging nations such as China continue to rely on raising or lowering bank reserve levels to cool down or heat up their economies.
Fast Fact
The Federal Reserve cut the cash reserve minimum to zero percent effective March 26, 2020, as the global pandemic set in.
Understanding Required vs. Excess Bank Reserves
Bank reserves are termed either required reserves or excess reserves. Required reserves are the minimum cash banks must keep, while excess reserves are any cash above this amount that isn’t lent out to customers.
Banks are not motivated to keep excess reserves since cash doesn’t earn returns and can lose value due to inflation. Thus, banks normally minimize their excess reserves, lending the money to clients rather than holding it in their vaults.
In good times, businesses and consumers borrow more and spend more. During recessions, they can’t or won’t take on additional debt. In downtimes, the banks may also toughen their lending requirements to avoid defaults.
Tip
Bank reserves decrease during periods of economic expansion and increase during recessions.
The Evolution of Bank Reserve Practices
Despite the determined efforts of Alexander Hamilton, among others, the U.S. didn’t have a national banking system for more than a couple of short periods of time until 1913, when the Federal Reserve System was created. (By 1863, the country at least had a national currency and a national bank chartering system.)
Until then, banks were chartered and regulated by states, with varying results. Bank collapses and “runs” on banks were common until a full-blown financial panic in 1907 led to calls for reform. The Federal Reserve System was created to oversee the nation’s money supply.
Its role was significantly expanded in 1977 when, during a period of double-digit inflation, Congress defined price stability as a national policy goal and directed the Federal Open Market Committee (FOMC) within the Fed to carry it out.
Key Factors Influencing Bank Reserve Requirements
The required bank reserve follows a formula set by Federal Reserve Board regulations. The formula is based on the total amount deposited in the bank’s net transaction accounts.
The figure includes demand deposits, automatic transfer accounts, and share draft accounts. Net transactions are calculated as the total amount in transaction accounts minus funds due from other banks, and minus cash that is in the process of being collected.
The required reserve ratio can also be used by a central bank as a tool to implement monetary policies. Through this ratio, a central bank can influence the amount of money available for borrowing.
Exploring the Liquidity Coverage Ratio (LCR) and Its Importance
In addition to bank reserve requirements set by the Federal Reserve, banks must also follow liquidity requirements set by the Basel Accords. The Basel Accords are a series of banking regulations established by representatives from major global financial centers.
Important
Required bank reserves are determined by the Federal Reserve for each bank based on its net transactions.
Basel III strengthened the Basel Accords after Lehman Brothers collapsed in 2008. It required banks to keep a suitable liquidity coverage ratio (LCR). The LCR requires banks and other financial institutions to hold enough cash and liquid assets to cover fund outflows for 30 days.
The LCR helps banks avoid borrowing from the central bank during financial crises. The LCR aims to keep enough capital for banks to weather short-term disruptions. It’s important to note that even when the Federal Reserve decreases bank reserve minimums, banks must still meet LCR requirements to ensure they have enough cash on hand to meet their short-term obligations.
The 2008 Financial Crisis: Implications for Bank Reserves
Before the 2008-2009 financial crisis, banks didn’t earn interest on their cash reserves. That changed on Oct. 1, 2008. Under the 2008 Emergency Economic Stabilization Act, the Federal Reserve started paying interest on bank reserves. At the same time, the Fed cut interest rates in order to boost demand for loans and get the economy moving again.
The result defied the conventional wisdom that banks would rather lend money out than keep it in the vault. The banks took the cash injected by the Federal Reserve and kept it as excess reserves rather than lending it. They preferred to earn a small but risk-free interest rate over lending it out for a slightly higher but riskier return.
For this reason, the total amount of excess reserves spiked after 2008, despite an unchanged required reserve ratio.
How Much Money Do Banks Need to Keep in Reserve?
The reserve amount has historically ranged from zero to 10%. Since March 26, 2020, it has been zero.
Are Bank Reserves Assets or Liabilities?
A bank’s reserves are considered part of its assets and are listed as such in its accounts and annual reports.
How Are Bank Reserves Calculated?
A bank’s reserves are calculated by multiplying its total deposits by the reserve ratio. For example, if a bank’s deposits total $500 million, and the required reserve is 10%, multiply 500 by 0.10. The bank’s required minimum reserve is $50 million.
Where Do Banks Keep Their Reserves?
Some of it is stashed in a vault at the bank. Reserves also may be kept in the bank’s account at one of the 12 regional Federal Reserve Banks. Some small banks keep part of their reserves at larger banks and tap into them as needed. This flow of cash between vaults peaks at certain times, like during holiday seasons when consumers withdraw extra cash. Once the demand subsides, the banks ship off some of their excess cash to the nearest Federal Reserve Bank.
The Bottom Line
The Federal Reserve System transformed the chaotic early banking landscape of the U.S. by introducing standardized reserve requirements to prevent bank runs and manage monetary policy effectively.
Today, while the reserve requirement ratio has been set to zero, banks still adhere to strict liquidity protocols like the Basel III liquidity coverage ratio to ensure financial stability. Understanding these requirements helps readers appreciate how banks function to safeguard their funds and underscores the importance of regulatory measures in maintaining economic confidence and stability.
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