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What is a bank?
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A bank is a financial institution that accepts deposits from customers, makes loans, and provides payment and other financial services. Banks act as intermediaries between people or businesses who have extra money (depositors) and those who need money (borrowers).
Key functions
- Accepting deposits (checking, savings) and safekeeping money.
- Making loans (personal, business, mortgages) to earn interest.
- Processing payments (checks, debit/credit cards, wire transfers).
- Providing other services: wealth management, foreign exchange, safe-deposit boxes.
Main types
- Retail/commercial banks: serve individuals and small-to-medium businesses.
- Investment banks: help companies raise capital, advise on mergers, trade securities.
- Central banks: government institutions that set monetary policy, regulate money supply and banks (e.g., the Federal Reserve).
- Credit unions and savings banks: member-owned or specialized deposit-taking institutions.
How banks operate (simple)
- They pay interest to depositors and charge higher interest on loans; the difference (net interest margin) is a main source of profit.
- Through lending, banks expand the money supply: when a bank issues a loan, it typically creates a deposit, which increases available money (fractional-reserve banking).
- A bank’s balance sheet: assets (loans, securities) and liabilities (customer deposits, borrowings); equity cushions losses.
Risks and safeguards
- Risks include credit risk (borrowers default), liquidity risk (not enough cash to meet withdrawals), and market risk.
- Regulators supervise banks, set capital and liquidity rules, and many countries insure deposits up to a limit (e.g., FDIC in the U.S.) to protect customers.
Role in the economy
- Banks enable transactions, allocate capital to productive uses, support saving and investment, and help implement monetary policy.
Everyday example
- You deposit paychecks into a checking account (safe, accessible), the bank uses some of that money to fund a mortgage for someone else, and it provides your debit card and online bill pay.
If you want, I can explain any part in more detail (e.g., how banks create money, how interest rates work, or the role of central banks).
Key functions
- Accepting deposits (checking, savings) and safekeeping money.
- Making loans (personal, business, mortgages) to earn interest.
- Processing payments (checks, debit/credit cards, wire transfers).
- Providing other services: wealth management, foreign exchange, safe-deposit boxes.
Main types
- Retail/commercial banks: serve individuals and small-to-medium businesses.
- Investment banks: help companies raise capital, advise on mergers, trade securities.
- Central banks: government institutions that set monetary policy, regulate money supply and banks (e.g., the Federal Reserve).
- Credit unions and savings banks: member-owned or specialized deposit-taking institutions.
How banks operate (simple)
- They pay interest to depositors and charge higher interest on loans; the difference (net interest margin) is a main source of profit.
- Through lending, banks expand the money supply: when a bank issues a loan, it typically creates a deposit, which increases available money (fractional-reserve banking).
- A bank’s balance sheet: assets (loans, securities) and liabilities (customer deposits, borrowings); equity cushions losses.
Risks and safeguards
- Risks include credit risk (borrowers default), liquidity risk (not enough cash to meet withdrawals), and market risk.
- Regulators supervise banks, set capital and liquidity rules, and many countries insure deposits up to a limit (e.g., FDIC in the U.S.) to protect customers.
Role in the economy
- Banks enable transactions, allocate capital to productive uses, support saving and investment, and help implement monetary policy.
Everyday example
- You deposit paychecks into a checking account (safe, accessible), the bank uses some of that money to fund a mortgage for someone else, and it provides your debit card and online bill pay.
If you want, I can explain any part in more detail (e.g., how banks create money, how interest rates work, or the role of central banks).
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