Money — UPSC Economy Notes

Introduction

Money is generally accepted as payment for goods and services, as well as repayment of debts.

It acts as a medium of exchange, replacing the barter system where goods were exchanged directly.

Without money, transactions would be complex as people would have to find someone who wanted exactly what they had to offer (double coincidence of wants).

Primary Functions of Money

1. Medium of Exchange

Money facilitates exchange of goods and services in an economy.

It is the most liquid asset (can be quickly and easily used without loss of value).

Example: You can buy food with currency notes rather than exchanging goods like rice for clothes.

2. Measure of Value (Unit of Account)

Money provides a common measure for valuing goods and services.

All goods and services can be expressed in terms of money units (like Rupees, Dollars, etc.).

Example: A book costs ₹200 and a shirt costs ₹400. Money makes it possible to compare values easily.

Secondary Functions of Money

1. Store of Value

Money can be saved and used in the future to purchase goods and services.

Unlike perishable goods (milk, fruits), money can be stored with very low cost.

However, it is not a perfect store of value because inflation reduces purchasing power over time.

Example: ₹100 today buys less goods after 10 years if prices keep rising.

2. Standard of Deferred Payments

Deferred payments mean payments promised for the future (like loans, EMIs).

Money is used for such payments because it retains value and is accepted widely.

Example: A loan of ₹10,000 today will be repaid in the future in money terms.

3. Transfer of Value

Money allows transfer of purchasing power from one person to another or from one place to another.

Example: Sending ₹5,000 online to a friend in another city transfers value instantly.

Other Functions of Money

1. Distribution of National Income

National income is measured and distributed in monetary terms using the income method.

Wages, rent, interest, and profits are all paid in money, making accounting and distribution easy.

2. Liquidity

Money is highly liquid (easily usable).

It can be divided into smaller units (₹1, ₹2 coins or ₹10, ₹100, ₹500 notes) to suit convenience.

3. Uniformity of Value

Money gives a uniform value measure for goods and services that cannot be compared physically.

Example: Comparing value of 1 kg of rice and 1 litre of petrol is possible only in money terms.

Commodity Money

Commodity money is a physical item that is interchangeable with another item of the same type.

It has intrinsic value, meaning it is valuable in itself (unlike paper notes that have only assigned value).

Examples: Iron nails, bear pelts, cocoa beans, whale teeth, gold nuggets, silver coins.

Challenges of Commodity Money

Perishability: Many items (like food grains, animal skins) spoil over time and lose value.

Bulky to transport: Carrying heavy or large commodities is difficult compared to paper currency.

Hyperinflation Risk: Sudden increase in commodity supply can collapse its value (e.g., gold rush).

Does not promote division of labour: Everyone must directly exchange, limiting specialization.

Limited in international trade: Hard to agree on a universal commodity standard globally.

Barter System

Direct exchange of goods and services without using money.

Oldest trade mechanism, used before the invention of coins or paper money.

Commonly exchanged goods: furs, skins, salt, rice, wheat, utensils, weapons, etc.

Types of Barter

1. Barter among Individuals – Example: Farmer exchanges wheat with carpenter for tools.

2. Barter among Companies – Example: Company offers products in exchange for advertisement services (B2B).

3. Barter among Countries – Example: Oil exchanged for food between nations.

Types of Money (by nature)

Full-bodied money: face value equals intrinsic (metal) value – e.g. old gold coins.

Token money: face value is higher than intrinsic value – e.g. present-day coins.

Fiat money: money by government order (legal tender), e.g. currency notes and coins; its value does not depend on the material.

Fiduciary money: accepted because of trust between payer and payee, not legal tender – e.g. cheques and demand drafts.

Near money: highly liquid assets that are not a medium of exchange themselves but are easily converted into money – e.g. time deposits, treasury bills, bonds.

Demerits of Barter System

Search Cost: Finding a trading partner with desired goods/services was time-consuming.

Lack of Double Coincidence of Wants: Exchange possible only if both parties wanted what the other offered. Very unrealistic in large economies.

Lack of Divisibility: Some goods (like buffalo, house) cannot be divided into smaller parts to match value of smaller goods.

Lack of Common Unit of Measurement: No standard to compare value of wheat vs tools vs cattle.

Loss of Value: Many goods (food, skins, grains) lost value/quality over time when stored.

Metallic Standard

Shift from barter to use of metals as money.

Gold Standard: Value of currency linked directly to fixed weight of gold.

Silver Standard: Value of currency linked to fixed weight of silver. Example: Silver Tanka, Sher Shah Suri’s Rupiya (silver coin).

Ensured wider acceptability, durability, and standardization.

Full Bodied Coins

Intrinsic value of coin = or > face value (market price).

Example: 1 Rupee silver coin (worth its weight in silver).

Token Coins

Intrinsic value < face value.

Example: ₹1 stainless steel coin.

Metals like cupronickel used to discourage melting.

Coinage Act 2011 prohibits melting of coins.

Challenges of Metallic Coins

Hoarding: If metal value > coin value, people hoard coins instead of using them.

Melting: High intrinsic value coins are melted into bullion for profit.

Debasement: Reducing metal content in coins when treasury weakens → inflation.

Demonetization: Both full-bodied and token coins can be demonetized (withdrawn from circulation).

Paper Currency Standard

Under this system, a country’s central bank issues paper notes and coins as the official legal tender.

Paper money is also called Fiat Money, meaning it has value only because the government declares it so.

In India, the Reserve Bank of India (RBI) issues currency notes on behalf of the Central Government.

Conditions of Fiat Money:

Must exist in physical form (notes/coins) or digital form (virtual coin, CBDC, crypto coin).

Must be issued by the order of the Government or the Central Bank.

Must not be backed by tangible assets like gold or silver (no intrinsic value).

Since the end of the Gold Standard in 1971, almost all currencies worldwide are fiat currencies.

Legal Tender

Legal Tender refers to currency (coins or notes) that must be accepted for repayment of debt or settlement of transactions.

Called legal tender because no citizen can refuse it for settling payments.

Cheques, drafts, promissory notes are not legal tender – they can be refused by the payee.

Conditions of Legal Tender:

It must be Fiat Money.

It must be legally valid for all debts and transactions within the country.

Types of Legal Tender

1. Limited Legal Tender

Coins are considered limited legal tender.

Recipients can refuse payment beyond a certain limit.

It can settle only a limited amount of debt.

Issued by the Government under the Coinage Act.

2. Unlimited Legal Tender

Currency Notes are unlimited legal tender.

They can settle any amount of debt (with some government restrictions).

Example: Finance Act, 2017 imposed restriction on cash transactions above ₹2 lakh.

Notes are issued by the RBI, except the one-rupee note which is issued by the Government of India and signed by the Finance Secretary.

Role of RBI in Issuing Banknotes

Section 22 of RBI Act, 1934 gives RBI the exclusive right to issue banknotes in India.

RBI designs banknotes internally through its Department of Currency Management (headed by a Deputy Governor).

The design is presented to RBI’s Central Board for approval.

Section 25 mandates that the final design, form, and material of notes must be approved by the Central Government on RBI’s recommendation.

RBI is responsible for maintaining adequate supply of clean and secure banknotes across the country.

If design changes are needed (new color, watermark, size, or security features), RBI prepares the draft and sends it for government approval.

Role of Central Government in Coins

Under the Coinage Act, 2011, the Central Government alone has the authority to design and mint coins in different denominations.

RBI only distributes coins supplied by the Government.

Each year, the Government decides the number of coins to mint based on indents (requests) received from RBI.

Coins are minted at 4 government facilities: Mumbai, Hyderabad, Kolkata, and Noida.

Legal Entity Identifier (LEI)

LEI is a 20-character alpha-numeric code used globally to identify parties to financial transactions.

Improves accuracy and transparency of financial reporting systems.

Helps in better risk management and prevents fraud.

Clean Note Policy

RBI’s Clean Note Policy ensures circulation of high-quality, secure notes.

Soiled, torn, or mutilated notes are withdrawn from circulation and replaced.

RBI withdrew all notes issued before 2005 due to fewer security features.

Even though withdrawn, those notes remained legal tender until replaced.

Aim: Avoid multiple old series in circulation and align with international standards.

Recent Development

In May 2023, RBI decided to withdraw ₹2000 notes from circulation under Clean Note Policy.

However, ₹2000 notes continue to remain legal tender—meaning they can still be used for transactions until further notification.

Minimum Reserve System (since 1957)

Rule: RBI issues notes under the Minimum Reserve System – it must hold gold and foreign exchange worth at least ₹200 crore, of which gold must be at least ₹115 crore (RBI Act, 1934). It replaced the Proportional Reserve System.

What is Bank Money?

Bank Money (Deposit Money) refers to balances in savings and current accounts in commercial banks that the public can use for transactions.

Example: Savings account in SBI, Current account in ICICI. Even if you don’t withdraw cash, you can use a cheque or online transfer to settle payments.

Types of Bank Money

Cheque: A bill of exchange drawn on a specified bank, payable on demand. Defined under the Negotiable Instruments Act, 1881.

Demand Draft (DD): An order by one branch of a bank on another branch to pay a specified sum on demand. Safer than cheques as they cannot bounce.

Overdraft (OD): Facility where banks allow customers to withdraw more than their account balance, usually short-term. Example: PM Jan Dhan Yojana offers OD up to ₹10,000.

Difference: Loan is for long-term larger value, while overdraft is for short-term expenses.

Electronic / Digital Payments

Digital payment means paying through online or electronic methods without exchanging cash.

Governed under Payment and Settlement Systems Act, 2007.

Benefits: Faster, safer, no need for physical cash, helps in financial inclusion.

Types of Digital Payments in India

NEFT (National Electronic Funds Transfer)

Operated by RBI.

Works 24x7, 365 days.

Settles in half-hourly batches on a net basis.

IMPS (Immediate Payment Service)

Managed by NPCI, built on National Financial Switch.

Real-time, 24x7x365 money transfer.

Transaction limit: up to ₹5 lakhs.

Uses: Fund transfer, merchant payments, Aadhaar-linked transactions, mobile banking.

RTGS (Real Time Gross Settlement)

Maintained by RBI.

Used for large-value transactions.

Minimum: ₹2 lakhs; No maximum limit.

Final and irrevocable settlements in RBI’s books.

Since 2021, non-bank entities (e.g., AmazonPay, PhonePe) can participate.

About NPCI

Incorporated in 2008 as a 'Not-for-Profit' company under Section 25 of Companies Act, 1956 (now Section 8 of Companies Act, 2013).

Umbrella organisation to operate retail payments and settlement systems in India.

Objective: Provide low-cost, safe, real-time, and interoperable payment systems across India.

NPCI integrates multiple systems into a standard, nationwide platform.

Key Products of NPCI

UPI (Unified Payments Interface)

Launched in 2016 as an instant inter-bank payment system.

Allows mobile-to-mobile, bank-to-bank transfer without using a wallet.

Features: QR Scan & Pay, linking savings/current accounts, peer-to-peer and peer-to-merchant transfers.

BHIM App

Launched in 2016; based on UPI.

Simple mobile app for sending and receiving payments.

Features: Linked with mobile number & device ID, requires UPI PIN, works with any bank account.

RuPay Card

NPCI’s indigenous card payment network (launched in 2012).

Accepted at ATMs, PoS machines, and e-commerce websites.

More affordable than Visa/Mastercard; secure and anti-phishing enabled.

IMPS (Immediate Payment Service)

Instant 24x7 interbank fund transfer system launched in 2010.

Can be accessed via Mobile, Internet Banking, ATMs, and SMS.

Bharat Bill Payment System (BBPS)

One-stop solution for recurring payments: electricity, gas, telecom, DTH, insurance, FASTag, etc.

Provides standardised bill payment with 200+ billers.

National Common Mobility Card (NCMC)

Contactless card usable for metro, buses, tolls, parking, retail shopping.

Designed as 'One Nation, One Card'.

Aadhaar Payment Bridge (APB)

Enables Direct Benefit Transfer (DBT) of government subsidies into Aadhaar-linked bank accounts.

Migrated to NACH platform in 2013.

Bharat QR

QR-based payment solution for merchants without card-swiping machines.

National Financial Switch (NFS)

Network enabling interconnectivity of ATMs across India.

Makes ATM deployment economical by resource pooling.

NACH (National Automated Clearing House)

Electronic mandate platform for paperless recurring payments (like EMIs, SIPs, insurance premiums).

Supports Aadhaar-based and account-based transactions.

About NPCI

Incorporated as a 'Not-for-Profit' company in 2008 under Section 25 of Companies Act, 1956 (now Section 8 of Companies Act, 2013).

Founded jointly by the Reserve Bank of India (RBI) and Indian Banks’ Association (IBA).

Objective: Create a safe, affordable, and standardised retail payment system in India.

NPCI integrates multiple fragmented payment systems into a uniform nationwide framework.

Key Products of NPCI

Unified Payments Interface (UPI)

Launched in 2016.

Mobile-based instant real-time inter-bank fund transfer system.

Features: QR scan & pay, linking CA/SA directly, no wallet required.

Example apps: Yono SBI, AxisPay, Google Pay, PhonePe.

Bharat Interface for Money (BHIM)

Launched in 2016, UPI-based mobile app.

Easy transfer between any two bank accounts using UPI.

Features: Mobile number + device ID authentication, UPI PIN for security, single app for multiple accounts.

RuPay Card

Launched in 2012 as India’s first indigenous card payment gateway.

Accepted at ATMs, POS, and online platforms.

Affordable alternative to Visa and Mastercard with strong anti-phishing security.

Immediate Payment Service (IMPS)

Provides instant 24x7 fund transfer across banks.

Accessible via mobile, internet banking, ATM, SMS.

Bharat Bill Payment System (BBPS)

One-stop solution for recurring payments: electricity, gas, telecom, insurance, FASTag, etc.

Provides standardised and interoperable bill payment experience.

National Common Mobility Card (NCMC)

Contactless card – 'One Nation, One Card'.

Usable in metros, buses, tolls, parking, retail shopping.

Aadhaar Payment Bridge (APB)

Platform for Direct Benefit Transfers (DBT) to Aadhaar-linked accounts.

Ensures transparent subsidy delivery.

Bharat QR

QR-based digital payment solution for merchants.

Allows payments without POS machine.

National Financial Switch (NFS)

Interconnects ATMs across India.

Aims to make ATM deployment cost-effective via resource pooling.

National Automated Clearing House (NACH)

Electronic mandate platform for recurring payments (EMIs, SIPs, insurance).

Provides both Aadhaar-based and account-based transactions.

In 2013, Aadhaar Payment Bridge (APB) migrated to NACH.

Plastic Money

Plastic Money is a general term for hard plastic cards that replace physical cash in daily transactions.

They allow cashless payments and are widely used in modern economies.

Types of Plastic Money

1. Credit Card: A credit facility by banks allowing customers to borrow funds up to a pre-approved limit. Interest is charged if not repaid on time.

2. Debit Card: Linked directly to a bank account. Purchases are funded directly from the customer’s account balance.

3. Prepaid Card: Subtype of debit card, not linked to a bank account. Value is loaded in advance. Example: IRCTC UBI Prepaid Card for train tickets and meals.

Card Tokenization (as per RBI guidelines)

Tokenization = Replacing sensitive card details (like card number, CVV, expiry date) with a unique alternate code called a 'Token'.

Token is unique for the combination of: Card + Token Requestor + Device.

Applicable Devices: Mobile phones, tablets, laptops, desktops, wearables (smartwatches, bands), IoT devices.

Since 1st October 2022, Payment Aggregators (like PhonePe, Paytm) and Merchants (like Amazon, Flipkart) cannot store customer card details.

Working of Tokenization

1. Customer initiates request via a token requester app (like a payment app).

2. Card Network (Visa, Mastercard, RuPay, Amex) creates the token, with approval of card-issuing bank.

3. Token is mapped with the card details and stored only by the card network, not merchants.

Current Status

35 crore+ tokens created in India so far.

By September 2022, around 40% of digital transactions (worth Rs 63 crore) were tokenized.

In FY 2021-22: Credit card transactions rose 27% in volume and 54.3% in value.

Advantages of Card Tokenization

Safer Transactions: Card details (PAN, CVV) are never shared with merchants.

Zero Cost to Users: Customers don’t pay fees for tokenization/de-tokenization.

Data Security: Even if a merchant’s database is hacked, card data stays safe.

Regulatory Trust: Only authorized card networks can process token requests.

Builds Consumer Confidence in Digital Payments.

What is Cryptocurrency?

Cryptocurrency is a digital currency where records of transactions are maintained on a blockchain (a distributed digital ledger).

Units of cryptocurrency are generated through a process called 'mining' (using computational power to solve mathematical problems).

Unlike fiat money, it is not backed by any government or physical commodity.

Advantages of Cryptocurrency

Faster and cheaper money transfers compared to traditional banking systems.

Secure online payments without the need for banks or third-party intermediaries.

Blockchain ensures anonymity of users while keeping transaction records transparent.

Decentralized structure prevents collapse due to single point of failure.

Acts as a hedge against inflation, considered an alternative investment.

Disadvantages of Cryptocurrency

High price volatility: Value of cryptocurrencies like Bitcoin or Ethereum fluctuates sharply.

Mining requires high energy consumption, raising environmental concerns.

Can disrupt industries like finance, banking, and law by bypassing intermediaries.

Transactions are traceable, but user identity often remains hidden, enabling misuse for money laundering, terrorism financing, or illegal activities.

What is CBDC?

Issued by RBI, first concept note released in October 2022.

Digital version of the rupee, accepted as legal tender.

Appears as a liability on the balance sheet of the central bank (not commercial banks).

Categories of CBDC

CBDC-Retail (CBDC-R): Digital cash for everyday retail use, suitable for consumers and businesses.

CBDC-Wholesale (CBDC-W): Restricted to financial institutions for large-value transactions and interbank settlements.

Forms of CBDC

Token-based: Functions like physical cash. Whoever holds the token owns it. Suited for CBDC-R (retail).

Account-based: Requires records of balances and transactions. Identity verification by intermediaries. Suited for CBDC-W (wholesale).

Models of Issuance

Direct Model (Single-tier): Central bank manages everything – issuance, accounts, verification.

Indirect Model (Two-tier): RBI issues CBDC to banks/intermediaries, who distribute to consumers. Claims are managed by intermediaries.

Advantages of e-Rupee

Risk-free alternative to private cryptocurrencies.

Reduces cost of managing physical cash.

Builds resilience and efficiency in payment systems.

Helps curb illicit money use through traceable digital transactions.

Promotes financial inclusion by providing digital access and credit to unbanked people.

What is Money Supply?

Total stock of money circulating in the economy.

At a specific point of time → Stock concept. Over a period of time → Flow concept.

Determines price level and interest rates.

Measured in four types: M1, M2, M3, and M4.

M1 (Narrow Money)

Currency with the public (notes + coins, excluding cash with banks).

Demand deposits with the banking system (current deposits + demand liabilities portion of savings deposits).

Other deposits with RBI.

Known as 'Transaction Money' because it is the most liquid form of money used directly for payments.

M2

M1 + Savings deposits with Post Office savings banks.

Adds postal savings to money supply to cover wider public deposits.

M3 (Broad Money)

M1 + Time deposits with the banking system.

Includes fixed deposits, recurring deposits, and other time deposits.

Called 'Broad Money' as it covers both liquid (M1) and less liquid components.

Most commonly used measure of money supply in India.

M4

M3 + All deposits with post office savings banks (excluding National Savings Certificates).

Broadest measure of money supply but least liquid.

Key Points

M1 and M2 are called Narrow Money.

M3 and M4 are called Broad Money.

Liquidity: M1 > M2 > M3 > M4.

RBI publishes data on M1 and M3 fortnightly.

M3 is considered the most important for monetary policy and economic analysis.

Reserve Money (M0)

Formula: M0 = Currency in circulation + Bankers’ deposits with RBI + Other deposits with RBI.

Represents total liability of RBI, since it issues currency and accepts deposits from banks and government.

Also called High-Powered Money or Monetary Base because it is the foundation for commercial banks to create credit through lending.

Currency issued by RBI can be held either by the public or by commercial banks.

Why is there a Demand for Money?

Money is the most liquid asset, useful for transactions.

However, it has an opportunity cost: holding cash means losing out on interest that could be earned if deposited.

Keynes described this preference for liquidity as 'Liquidity Preference'.

Motives to hold money:

1. Transaction Motive: Holding cash for day-to-day expenses like food, transport, bills. Increases with higher income and GDP.

2. Precautionary Motive: Holding cash to meet unexpected needs like accidents, illness, or emergencies.

3. Speculative Motive: Holding cash to take advantage of future investment opportunities. Inversely related to interest rates (when interest rates are low, people prefer to hold cash).

Determinants of Money Supply

Money supply depends on changes in currency with public (CU), demand deposits, and time deposits.

It is influenced by actions of RBI (monetary policy) and commercial banks (credit creation).

Key Ratios:

1. Currency Deposit Ratio (CDR):

Formula: CDR = Currency with public (C) / Deposits with banks (D).

Shows people’s preference for holding cash instead of deposits.

Seasonal in nature: e.g., CDR rises during festive season when people withdraw money for spending.

2. Reserve Deposit Ratio (RDR):

Formula: RDR = Reserves of banks / Total deposits.

Banks keep a fraction of deposits as reserves (vault cash + deposits with RBI) and lend the rest.

RBI regulates RDR through:

CRR (Cash Reserve Ratio): Percentage of deposits that banks must keep with RBI.

SLR (Statutory Liquidity Ratio): Percentage of deposits that banks must keep in liquid assets like gold, government securities, etc.

Higher CRR/SLR reduces banks’ capacity to lend → reduces money supply. Lower CRR/SLR increases credit creation → increases money supply.

Money Multiplier

Measures maximum amount of commercial bank money that can be created from a given unit of Reserve Money (M0).

Formula: Money Multiplier = M3 / M0 or 1 / Reserve Ratio.

If banks keep high reserves (high CRR/SLR), less money is available for lending → multiplier effect is smaller.

If reserve ratio is low, banks can lend more → higher multiplier → higher liquidity in the market.

Example: If reserve ratio = 20% (0.2), then multiplier = 1/0.2 = 5. That means ₹100 of Reserve Money can generate ₹500 of money supply in economy.

Multiplier Effect

Multiplier shows how much income changes due to a change in spending/investment.

Formula: Multiplier = Change in Income / Change in Spending.

Example: If government spends ₹100 crore and total income increases by ₹300 crore, then multiplier = 3.

Larger multiplier effect occurs when banks lend more of deposits (low reserves).

Economists use this concept to understand how fiscal stimulus, investments, or monetary changes influence overall GDP.

Cashless Economy

An economy where most transactions are done digitally without physical cash.

Tools: Credit Cards, Debit Cards, UPI, Mobile Wallets, RuPay Cards, IMPS, RTGS, NEFT.

Positive Economic Effects

Reduces cost of printing physical currency (approx 0.25% of India’s GDP).

Promotes transparency and accountability → reduces corruption, black money, money laundering.

Safer than carrying physical cash.

Helps government track spending → better planning for welfare schemes.

Encourages financial inclusion since all citizens need bank accounts.

Saves cost for banks: Manual transactions cost ₹40–45, digital transactions cost ₹7–8.

Challenges

High cash dependency in India; majority still prefer cash.

Lack of infrastructure in rural areas: weak internet, poor banking penetration, few PoS machines.

Financial inclusion gaps: As per World Bank, ~190 million Indians still without bank accounts.

Low financial literacy: Only 27% of population financially literate (SEBI report).

Urban-rural divide: Of 1.57 lakh bank branches (2021), only 53k in rural areas.

Cybersecurity risks: online frauds, hacking, phishing, malware attacks.

Measures Taken in India

Digital India Programme: Promotes 'Faceless, Paperless, Cashless' transactions.

UPI: Seamless real-time interbank transfers via mobile apps.

Direct Benefit Transfer (DBT): Using Jan Dhan–Aadhaar–Mobile (JAM Trinity) for subsidies.

PM Jan Dhan Yojana: Massive financial inclusion drive (2014).

India Post Payments Bank: Banking at the last mile.

RuPay Card: Indigenous, cheaper than Visa/Mastercard.

Financial Literacy Centres (FLCs): Run by RBI/Finance Ministry to educate public.

Incentives: DigiDhan Yojana, Lucky Grahak Yojana to reward digital payments.

DigiDhan Mission by MeitY: Collaborative platform for promoting cashless economy.

What is Demonetisation?

Demonetisation means withdrawal of legal tender status of specific currency notes, i.e., those notes can no longer be used for transactions.

In 2016, the Indian Government demonetised ₹500 and ₹1000 notes.

New ₹500 and ₹2000 notes were introduced in their place.

It was one of the biggest monetary reforms in India’s history.

Objectives of Demonetisation

To fight against black money (unaccounted money not reported to tax authorities).

To curb corruption by reducing cash-based illegal transactions.

To stop terror financing which often used fake currency.

To eliminate fake notes in circulation.

To push India towards a digital and cashless economy.

Short-Term Impacts

Sharp decline in cash: People struggled due to sudden cash shortage, leading to long queues outside banks and ATMs.

Interest rates fell: With huge deposits in banks, interest rates on deposits, loans, and government securities declined.

Rise in implicit value of cash: Cash became scarce, so its immediate value increased.

Private wealth reduced: Some high-denomination notes were not returned, and real estate prices fell.

Boost in digital payments: Platforms like UPI, RuPay, AEPS saw massive new users.

Slower economic growth: Due to decline in demand, disruption of supply chains, reduced liquidity, and overall uncertainty.

Long-Term Impacts

Cash usage normalised but at a lower level: Cash recovered but remained less dominant compared to pre-2016.

Lower loan rates: If higher deposits stay in banks, loan interest rates may stay low.

Greater formalisation of economy: More workers and businesses entered formal financial systems.

Curb on corruption and fake currency (partially): Fake notes circulation reduced temporarily, though corruption issues remained complex.

Promotion of digital economy: More people adopted online and electronic payments.

Introduction to Monetary Theory

Monetary theory seeks to understand the role of money in an economy. It's not just about currency; it's about how money behaves .

It provides the theoretical 'rulebook' that central banks (like RBI) use to create practical monetary policy (like setting the Repo Rate).

1. Classical Quantity Theory of Money (Fisher)

Formulated by Irving Fisher, this is the oldest and simplest theory.

Equation: MV = PT

M = Money Supply (total money in the economy)

V = Velocity of Money (how many times a single rupee changes hands in a year)

P = Price Level (the average price of all goods)

T = Transactions (or Y=Real GDP, the total 'stuff'—goods and services—produced)

Core Idea: The theory assumes V (how fast people spend) and T (how much 'stuff' is available to buy) are stable in the short run.

Conclusion: If V and T are stable, then any change in Money Supply (M) must lead to a proportional change in the Price Level (P).

Beginner's Analogy: Imagine a small island economy that produces 100 fish (T) a year. The spending habit (V) is stable. The total money supply (M) is ₹1,000. The price (P) per fish would be ₹10. If the island's leader suddenly prints another ₹1,000 (doubling M to ₹2,000) but the number of fish is still 100, the only thing that can change is the price. Now, there is ₹2,000 chasing the same 100 fish, so the price (P) will double to ₹20. This is inflation.

2. Cambridge Equation (Cash Balance Approach)

Equation: M_d = kPY

M_d = Demand for money (how much money people want to hold)

k = The fraction of their income (PY) that people choose to hold as cash (e.g., in their wallets) instead of investing or spending.

Core Idea: This theory, similar to Fisher's, focuses on why people hold money (demand), not just how they spend it. It emphasizes money's role as a 'store of value'.

3. Keynesian Monetary Theory (Liquidity Preference)

John Maynard Keynes asked: Why do people prefer to hold liquid cash (Liquidity Preference)?

Three Motives:

1. Transaction Motive: Holding cash for daily expenses (e.g., coffee, bus fare, groceries).

2. Precautionary Motive: Holding cash for emergencies or a 'rainy day' (e.g., unexpected medical bill, car repair).

3. Speculative Motive: Holding cash to 'speculate' or wait for a better investment opportunity. When interest rates on bonds are very low, people expect them to rise soon. A rise in interest rates makes existing bonds lose value. So, people prefer to hold cash (high liquidity) and wait to buy bonds after the rates go up. This means: Low Interest Rates = High Demand for Cash.

The 'Liquidity Trap': Keynes's most famous warning. This is a situation (like a deep recession) where interest rates are already near zero. At this point, no matter how much money the central bank prints (increases M), people and banks just hoard it (due to the speculative motive) and don't spend or lend. In this 'trap', monetary policy becomes powerless, like 'pushing on a string'.

4. Monetarism (Milton Friedman)

A modern and more robust version of Fisher's Quantity Theory.

Core Idea: Friedman argued that V (Velocity) isn't perfectly stable, but it is predictable. Therefore, the primary driver of inflation in the long run is always an excessive increase in the money supply.

His famous quote: 'Inflation is always and everywhere a monetary phenomenon.'

Policy: He advocated for a stable, predictable growth rate of the money supply (e.g., 3-5% per year) and argued that the 'fine-tuning' of interest rates by Keynesians often does more harm than good.

Gresham's Law

Statement: 'Bad money drives out good money.' When two kinds of money with the same face value but different intrinsic value circulate together, people hoard the one with higher intrinsic value (good money) and spend the other (bad money).

What is Seigniorage?

It is essentially the 'profit from printing money'. 💰

Example: If a ₹100 note costs the RBI ₹2 to print, ink, and transport, the seigniorage (profit) for the RBI is ₹98. This profit is later transferred to the Government of India.

Historical Origin: The term comes from the 'Seigneur' (French for Lord). A medieval lord would take 100 grams of silver (worth ₹100) from the people, melt it down, mix it with 50g of cheap copper, and mint 150 coins, each declared to be worth ₹1. He gives 100 coins back and keeps 50. This profit of 50 coins was his 'Seigniorage'.

How Seigniorage Works (In the Modern Day)

This is the main way the RBI earns its income. Here's the simple process:

1. RBI Prints New Money: (e.g., ₹1,000 Cr). This new money is technically a liability for RBI (a 'promise to pay' backed by nothing but faith).

2. RBI Uses This Money to Buy Assets: It doesn't just give the money away. It uses it to buy assets, primarily Government Bonds (G-Secs) from the government (i.e., lending to the govt) or Foreign Currency (like US dollars).

3. These Assets Pay Interest: The G-Secs pay interest to the RBI, and the US dollars are invested (e.g., in US Treasury bonds) to earn interest.

4. Profit = Interest Earned - Printing Cost. This huge net profit (seigniorage) is the RBI's income. After covering its operational costs, RBI transfers the remaining surplus/dividend to the Central Government. This is a major source of non-tax revenue for the government.

Seigniorage as an 'Inflation Tax' (The Dark Side 😈)

This is the most crucial (and negative) concept associated with seigniorage.

1. The Problem: Imagine the government needs money for schemes but can't (or won't) raise taxes or borrow from the market. It forces the RBI to print excessive amounts of new money to buy its bonds. This is called 'Monetizing the Deficit' (literally printing money to pay bills).

2. The Result: This floods the economy with new money (M increases). As per monetary theory (MV=PT), more money is now chasing the same amount of goods.

3. The Consequence: This causes high inflation (e.g., 10%).

4. The 'Tax': If you had ₹100 saved in your drawer, after 10% inflation, it can now only buy what ₹90 could buy last year. You lost ₹10 in purchasing power, even though the note in your hand still says ₹100.

5. The 'Theft': Who got that ₹10 of purchasing power you lost? The government did. It 'stole' your purchasing power by printing new money for itself. This invisible loss of value for all citizens holding cash is the 'Inflation Tax'. The government's profit (seigniorage) comes directly at the expense of the public's savings.