Modern economyలో Commercial Banks – వాణిజ్య బ్యాంకులు savingsను mobilise చేసి, loans and advances ద్వారా productive activitiesకు fundsను అందిస్తాయి. Banking system యొక్క అత్యంత ముఖ్యమైన macroeconomic functionsలో ఒకటి Credit Creation – పరపతి సృష్టి.
Commercial Banks → Accept Deposits + Provide Loans
Loans → Deposits → Further Loans
ఈ process ద్వారా banking system deposits/creditను multiply చేయగలదు.
Public నుంచి depositsను accept చేసి, borrowersకు loans and advances అందిస్తూ, payment మరియు ఇతర banking servicesను నిర్వహించే financial institutionను broadly Commercial Bank అంటారు.
Deposits తీసుకోవడం → Borrowing Function
Loans ఇవ్వడం → Lending Function
Commercial bank functionsను exam point of viewలో broadly ఇలా classify చేయవచ్చు:
2. Secondary Functions
3. Credit Creation
Commercial banks households, firms and other customers నుంచి depositsను accept చేస్తాయి.
Major types:
✓ Savings Deposits
✓ Fixed / Term Deposits
✓ Recurring Deposits
Current accounts mainly frequent transactions కోసం designed చేయబడతాయి. Fundsను banking rulesకు subjectగా frequently withdraw చేయవచ్చు.
Current deposits are generally classified as Demand Deposits.
Savings accounts mainly households and individualsకు saving as well as transaction facilitiesను provide చేస్తాయి.
Saving + Liquidity + Payment Facility
A specified periodకు deposited fundsను Fixed Deposit / Term Deposit అంటారు.
Customer fixed intervalsలో predetermined amountను deposit చేస్తూ, specified period తర్వాత accumulated amountను receive చేసే deposit arrangementను Recurring Deposit అంటారు.
| Demand Deposits | Time Deposits |
|---|---|
| Withdrawable on demand subject to account rules | Associated with specified maturity/term |
| High transaction liquidity | Relatively lower transaction liquidity |
| Current deposits are a key example | Fixed/term deposits are a key example |
| Important component of narrow money | Bank time deposits broaden M3 beyond M1 |
Depositsలో ఒక portionను reservesగా maintain చేసి, available fundsలో కొంత భాగాన్ని banks borrowersకు lending చేస్తాయి.
✓ Loans
✓ Cash Credit
✓ Overdraft
✓ Discounting of Bills
Bank borrowerకు sanctioned amountను agreed termsపై అందిస్తుంది. Borrower principalతో పాటు applicable interestను repay చేస్తాడు.
Specified security/conditions ఆధారంగా sanctioned limit వరకు borrowerకు funds draw చేసుకునే facilityను Cash Credit అంటారు.
Eligible customerకు account balanceకంటే ఎక్కువ amountను sanctioned limit వరకు withdraw చేయడానికి bank అనుమతించే facility Overdraft.
A bank eligible billను maturityకు ముందు discount చేసి holderకు funds provide చేయవచ్చు. Maturity సమయంలో bank amountను collect చేస్తుంది.
Commercial banks primary deposit and lending functionsతో పాటు various agency and utility services కూడా provide చేస్తాయి.
✓ Collection of cheques and eligible instruments
✓ Payment of standing instructions
✓ Transfer of funds
✓ Collection/payment services on behalf of customers
✓ Other authorised agency services
✓ Locker facilities
✓ Remittance/payment services
✓ Cards and digital banking services
✓ Foreign-exchange services subject to regulation
✓ Other customer banking facilities
Credit creation అర్థం చేసుకోవడానికి bank balance sheetలో Assets and Liabilities distinction చాలా important.
| Bank Liabilities | Bank Assets |
|---|---|
| Customer Deposits | Loans and Advances |
| Borrowings | Investments/Securities |
| Other liabilities | Cash and Reserves |
| Amounts bank owes | Resources/claims owned by bank |
Customer deposit → Liability of the Bank
Loan given by bank → Asset of the Bank
Reason: Bank has an obligation to repay the depositor, while a borrower has an obligation to repay the bank.
Commercial banks depositsలో required/desired reservesను maintain చేసి, remaining lendable fundsను loansగా provide చేస్తాయి. Loans ద్వారా created funds banking systemలో depositsగా reappear అయితే further lending becomes possible.
When customers deposit cash or existing funds with a bank, traditional textbooks often call such deposits Primary Deposits.
A customer deposits ₹10,000 cash in Bank A.
When a bank grants a loan by crediting the borrower's deposit account, a new deposit claim can be created. Traditional textbooks refer to such loan-created deposits as Derivative Deposits.
Primary Deposit → Customer-originated deposit
Derivative Deposit → Created in connection with bank lending
Banks can expand deposits and credit, but this process is constrained by reserves, regulation, capital, liquidity, borrower demand, creditworthiness and other banking conditions.
Commercial banks cannot create unlimited credit.
Assume:
Reserve Ratio = 20%
No currency leakage
No excess reserves
All loans are redeposited in the banking system
Deposit = ₹1,000
Assume ₹800 is spent and completely redeposited in Bank B.
Assume ₹640 is redeposited.
| Round | Deposit (₹) | Reserve 20% (₹) | New Loan (₹) |
|---|---|---|---|
| Bank A | 1,000 | 200 | 800 |
| Bank B | 800 | 160 | 640 |
| Bank C | 640 | 128 | 512 |
| Bank D | 512 | 102.40 | 409.60 |
| ... | ... | ... | ... |
The successive deposits form a geometric series:
Under the highly simplified assumptions:
If reserve ratio = 20%:
For initial ₹1,000 and reserve ratio 20%:
If ₹1,000 is the initial deposit/reserve injection forming the base of the simplified expansion process, total deposits may reach ₹5,000. The amount of additional loans/credit generated is:
At 20% reserve ratio and ₹1,000 initial deposit:
Total deposits → ₹5,000
Additional credit/loans → ₹4,000
Do not automatically give ₹5,000 when the question specifically asks for additional credit created.
Let:
r = Reserve Ratio
m = Simple Deposit Multiplier
Higher Reserve Requirement → Less lendable funds → Lower credit expansion
Lower Reserve Requirement → More lendable funds → Higher potential credit expansion
| Reserve Ratio | Simple Multiplier |
|---|---|
| 5% | 20 |
| 10% | 10 |
| 20% | 5 |
| 25% | 4 |
| 50% | 2 |
| 100% | 1 |
Reserve Ratio ↑ → Credit Multiplier ↓
The textbook multiplier gives a theoretical maximum under restrictive assumptions.
✓ Borrowers are willing and eligible to borrow
✓ Loan proceeds are redeposited in the banking system
✓ Public does not withdraw significant currency
✓ Banks do not hold excess reserves beyond the assumed ratio
✓ Reserve ratio remains unchanged
✓ Banking system operates normally
If people keep part of loan proceeds as cash rather than redepositing them, the deposit expansion process becomes smaller.
A higher required reserve ratio reduces the portion available for further lending.
If banks voluntarily hold reserves above the required level, potential credit expansion falls.
Banks cannot expand lending merely because reserves are available. There must be sufficient demand from acceptable borrowers.
Banks evaluate repayment capacity and risk. Weak creditworthiness can limit lending.
Monetary and regulatory conditions can influence bank reserves, liquidity, funding costs and lending.
Modern banks also face capital, liquidity and prudential requirements. Therefore lending is not determined by a simple reserve ratio alone.
Recession, uncertainty, weak investment demand or financial stress can reduce credit creation even when liquidity is available.
| Factor | Effect, Other Things Equal |
|---|---|
| Reserve Ratio ↑ | Credit Creation ↓ |
| Reserve Ratio ↓ | Credit Creation ↑ |
| Currency Leakage ↑ | Credit Creation ↓ |
| Excess Reserves ↑ | Credit Creation ↓ |
| Loan Demand ↑ | Potential lending ↑ |
| Creditworthy Borrowers ↑ | Potential lending ↑ |
| Banking confidence/normal functioning improves | Can support credit expansion |
No. An individual bank's ability to expand loans is constrained by settlement outflows, reserves, liquidity, capital and regulation. The textbook multiple-expansion process is best understood at the banking-system level.
Multiple credit creation is primarily a banking-system process, not an unlimited power of one bank.
| Bank Credit Creation | Currency Issue |
|---|---|
| Primarily creates/expands bank deposit claims through lending | Creation/issue of currency under monetary authority |
| Performed through commercial banking operations | Associated with central bank/authorised currency issue |
| Constrained by banking and monetary conditions | Governed by monetary/legal framework |
Commercial Bank Credit Creation ≠ Printing Currency Notes
When bank lending creates new deposit balances, deposit money can increase. Therefore commercial-bank lending is an important part of the broader money-creation mechanism.
The simple deposit multiplier illustrates how reserves can support a multiple amount of deposits under restrictive assumptions.
But the actual money multiplier is influenced by more than the statutory reserve ratio.
Simple Deposit/Credit Multiplier → 1/r under simplified assumptions
Actual Money Multiplier → Depends on monetary base, currency behaviour, bank reserves and institutional conditions
Initial Deposit = ₹2,000
Reserve Ratio = 10%
Initial Deposit = ₹5,000
Reserve Ratio = 25%
Reserve Ratio = 5%
Deposit Multiplier = 4
Initial Deposit = ₹10,000
Reserve Ratio = 20%
First-Round Loan = ₹8,000
Multiplier = 5
Maximum Total Deposits = ₹50,000
Maximum Additional Credit = ₹40,000
Trap 2: Loans are assets of banks.
Trap 3: Commercial banks create credit; they do not print currency notes.
Trap 4: Simple Deposit Multiplier = 1 / Reserve Ratio.
Trap 5: Reserve Ratio ↑ → Multiplier ↓.
Trap 6: Currency Leakage ↑ → Credit Creation ↓.
Trap 7: Excess Reserves ↑ → Credit Creation ↓.
Trap 8: Total Deposit Expansion and Additional Credit are not the same.
Trap 9: Multiple credit creation is best understood for the banking system as a whole.
Trap 10: 1/r is a simplified theoretical maximum, not an unconditional real-world rule.
A) Accepting deposits and lending
B) Conducting elections
C) Producing agricultural goods
D) Fixing GDP
A) Current deposit
B) Fixed deposit
C) Long-term bond
D) Equity share
A) Time deposits
B) Currency
C) Capital goods
D) Legal tender notes
A) Liability
B) Asset
C) Profit only
D) Capital good
A) Asset
B) Liability
C) Deposit liability only
D) Currency reserve
A) Overdraft
B) Fixed deposit
C) Recurring deposit
D) Locker
A) Funds before bill maturity subject to discount
B) Free currency creation
C) Tax exemption automatically
D) Fixed deposits only
A) Commercial banking system
B) Households alone
C) Stock exchanges alone
D) Barter
A) Primary deposits
B) Derivative deposits
C) Capital losses
D) Fiscal deposits
A) Derivative deposits
B) Primary cash deposits only
C) Tax deposits
D) Capital goods
A) 1/r
B) r
C) 1+r
D) r²
A) Falls
B) Rises
C) Remains unchanged
D) Becomes infinite
A) Increases
B) Decreases
C) Becomes zero
D) Is unaffected in the simple model
A) Reduce credit creation
B) Increase multiplier automatically
C) Eliminate reserves
D) Double all deposits
A) Reduce potential credit expansion
B) Increase it automatically
C) Make reserve ratio zero
D) Have no possible effect
A) Lending and deposit creation
B) Printing currency
C) Collecting taxes
D) Producing gold
A) Accepting deposits
B) Lending
C) Currency-note printing as a commercial-bank function
D) Credit provision
A) Redeposit of loan proceeds
B) Complete cash withdrawal
C) Absence of banks
D) Barter
A) 1
B) 2
C) 10
D) 100
A) Banks can create unlimited credit
B) Credit creation has several limitations
C) Deposits are bank assets only
D) Loans are bank liabilities only
A) 5
B) 10
C) 20
D) 100
A) 2
B) 4
C) 5
D) 20
A) 2
B) 4
C) 5
D) 25
A) 5
B) 10
C) 20
D) 25
A) ₹1,000
B) ₹9,000
C) ₹10,000
D) ₹11,000
A) ₹1,000
B) ₹9,000
C) ₹10,000
D) ₹100
A) ₹2,000
B) ₹8,000
C) ₹10,000
D) ₹20,000
A) ₹2,000
B) ₹8,000
C) ₹10,000
D) ₹12,000
A) ₹10,000
B) ₹15,000
C) ₹20,000
D) ₹25,000
A) ₹5,000
B) ₹10,000
C) ₹15,000
D) ₹20,000
A) 5%
B) 10%
C) 20%
D) 50%
A) 4%
B) 20%
C) 25%
D) 40%
A) 5%
B) 10%
C) 20%
D) 50%
A) ₹2,000
B) ₹8,000
C) ₹10,000
D) ₹12,000
A) ₹1,600
B) ₹6,400
C) ₹8,000
D) ₹9,600
A) ₹640
B) ₹1,000
C) ₹1,280
D) ₹5,120
A) ₹4,000
B) ₹6,000
C) ₹8,000
D) ₹20,000
A) ₹20,000
B) ₹30,000
C) ₹40,000
D) ₹50,000
A) ₹10,000
B) ₹20,000
C) ₹30,000
D) ₹40,000
A) 10 to 5
B) 5 to 10
C) 10 to 20
D) 20 to 10
A) Deposits are liabilities and loans are assets
B) Deposits are assets and loans liabilities
C) Both are liabilities only
D) Both are currency
A) Reserve conditions
B) Currency leakage
C) Loan demand
D) All of the above
A) No currency leakage
B) Full redepositing
C) No excess reserves
D) All of the above
A) Deposit expansion falls
B) Deposit expansion rises automatically
C) Multiplier becomes infinite
D) Reserve requirement disappears
A) Commercial banks
B) Households
C) Consumers only
D) Stock index
A) Assertion and Reason are true; Reason correctly explains Assertion.
B) Both are true; Reason is not the correct explanation.
C) Assertion is true; Reason is false.
D) Assertion is false; Reason is true.
Reason: The bank has an obligation to repay depositors according to account terms.
Reason: Borrowers owe repayment to the bank.
Reason: A larger proportion of deposits is retained as reserves.
Reason: Cash withdrawn from the banking system is not immediately available for repeated redeposit and lending.
Reason: Credit creation is constrained by reserves, regulation, liquidity, capital and loan demand.
A) Current account
B) Fixed deposit
C) Recurring deposit only
D) Capital account of government
A) Term deposit
B) Currency note
C) Current deposit by definition
D) Demand currency
A) Collection of cheques
B) Production of wheat
C) Printing textbooks
D) Conducting population census
A) Locker facility
B) National income calculation
C) Agricultural production
D) Tax legislation
A) Banking-system process
B) Unlimited action of one bank
C) Barter process
D) Fiscal policy only
A) Fall
B) Rise automatically
C) Become infinite
D) Equal GDP
A) Be constrained
B) Become unlimited
C) Always reach 1/r maximum
D) Become independent of banking
A) D[(1/r) − 1]
B) D×r only
C) D+r
D) r/D
A) 80% of that deposit
B) 20% of that deposit
C) 100% necessarily
D) 120%
A) Deposit money/credit claims
B) Physical gold stock
C) Land area
D) Population
m = 1/r
Reserve Ratio
r = 1/m
Maximum Total Deposits
= Initial Deposit × 1/r
Maximum Additional Credit
= Total Deposits − Initial Deposit
or
Maximum Additional Credit
= Initial Deposit × [(1/r) − 1]
First-Round Reserve
= Deposit × Reserve Ratio
First-Round Loan
= Deposit × (1 − Reserve Ratio)
| Concept | Remember |
|---|---|
| Commercial Bank | Accepts deposits and provides loans |
| Current Deposit | Demand Deposit |
| Fixed Deposit | Time Deposit |
| Customer Deposit | Bank Liability |
| Bank Loan | Bank Asset |
| Primary Deposit | Customer-originated deposit |
| Derivative Deposit | Loan-created deposit in textbook terminology |
| Credit Creation | Loans → Deposits → Further Lending |
| Simple Multiplier | 1 / Reserve Ratio |
| Reserve Ratio ↑ | Multiplier ↓ |
| Currency Leakage ↑ | Credit Creation ↓ |
| Excess Reserves ↑ | Credit Creation ↓ |
| Commercial Banks | Create credit/deposit money, not currency notes |
Current Deposit → Demand Deposit
Fixed Deposit → Time Deposit
Deposits → Bank Liabilities
Loans → Bank Assets
Primary Deposit → Customer-originated deposit
Derivative Deposit → Lending-related deposit creation
Credit Creation → Loans → Deposits → Further Loans
Simple Deposit Multiplier → 1/r
Reserve Ratio ↑ → Multiplier ↓
Reserve Ratio ↓ → Multiplier ↑
Currency Leakage ↑ → Credit Creation ↓
Excess Reserves ↑ → Credit Creation ↓
Total Deposits → D/r
Additional Credit → D[(1/r) − 1]
Commercial Banks → Create Credit / Deposit Money
Central Monetary Authority → Currency Issue under the legal monetary framework
Commercial Banks → Deposits → Loans & Advances → Bank Assets & Liabilities → Primary Deposits → Derivative Deposits → Credit Creation → Reserve Ratio → Deposit Multiplier → Multiple Deposit Expansion → Limitations of Credit Creation → Numericals
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