Categories: class 12

Money Supply- CBSE Class 12 Economics Notes

Money Supply Definition Class 12 Economics

The money supply is the total amount of money(currency+deposit money) present in an economy at a particular point in time. The standard measures to define money usually include currency in circulation and demand deposits.

The record of the total money supply is kept by the Central Bank of the country. The change in the supply of money in an economy can affect the price level of securities, inflation, rates of exchange, business policies, etc.

In this article, aspirants can find information related to the money supply in an economy.


Money Supply Factors

According to recent Reserve Bank of India data, the uncertainty caused by the Covid-19 pandemic has led to a surge in the money supply. Know in detail about the Reserve Bank of India – RBI on the linked page. The currency held by the public increased by 8.2% since March-end 2020 and the savings and current account deposits decreased by 8%.


  • The reason for this increase in Money supply is that there were higher cash withdrawals by depositors to meet needs during the lockdown period and also to safeguard themselves against salary cuts or job losses.
  • Impact of the increase in the money supply –
    • People have curtailed their discretionary spending as they’re not sure of their permanent income.
    • A rise in money supply usually is seen as a leading indicator of growth in consumption and business investments, but due to the Covid-19 pandemic, the rise was not encouraged either.
    • Due to the decrease in discretionary spending the demand for industrial and manufactured goods also decreased, therefore even the Lenders are not willing to take risks.

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Money Supply- Types

The types of money circulated in an economy are as follows:

Full-bodied money

It is the type of money whose value as money is equivalent to its value as a commodity. E.g. – Gold coin

Token Money/Credit Money/Paper Money

Value as money is much more than the value as a commodity. E.g. – Paper Currency

Representative full-bodied money

It is a kind of token money but is issued against the backing of equivalent value of bullion (gold and silver in bulk) with the issuing authority.

To know about the different monetary systems in the economy, refer to the linked article.

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Money Supply Factors- M1, M2, M3 Determinants

Types of bank deposits

  1. Current Account
  2. Fixed deposit
  3. Recurring deposit account


M1 = C + DD + OD (Narrow Money)


  • Where C denotes Currency held by the public
  • DD- Demand Deposits with Banks
  • OD- Other deposits (Demand Deposits held by RBI)


Demand Deposits (DD) can be withdrawn on demand from banks.

Time Deposits (TD) can be withdrawn only after a specific time.

Total Deposits = DD+TD

Other deposits(OD) include demand deposits with the RBI.

DD with RBI can be held only by Quasi- Governmental agencies, international agencies, or former Governors of RBI.



M1 is known as narrow money as it includes only 100% liquid deposits which is a very narrow definition of the money supply.



M2 includes M1 and only saving account deposits with Post offices


M2 = M1 + Savings account deposits with Post Offices

Note- Post offices have no facility for the opening of current accounts. The types of accounts that can be opened are – Savings account, Fixed deposit, and Recurring deposit.

Though the size of post office savings accounts is negligible M2 term is used as all the deposits in M2 are not liquid.



M3 is called Broad money as along with liquid deposits it also includes time deposits thus making it a broad classification of Money.


M3 = M1 + TD (Broad Money)

TD – Time Deposits with Banks Includes fixed deposits, Recurring deposits, and time liability of Savings accounts

The most common measure used for money supply is M3


M4 = M3 + Total Deposits with Post Office

As the total deposits with the post office are negligible there is not much difference between M3 and M4

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Money Supply Control in India

The money supply in the economy can be influenced by the Central Bank of the country. The money supply can be increased in an economy by purchasing government securities such as treasury bills and government bonds.

The reverse happens when the central bank tightens the money supply, by selling securities on the open market, drawing liquid funds out of the banking system. The prices of such securities fall as supply is increased, and interest rates rise.

Cash reserve ratio is an essential monetary policy tool used for controlling the money supply in the economy. It is a regulation implemented in almost every nation by the Central Bank of that country.

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CBSE Class 12 Economics Money Supply- FAQs

Question 1 What are the 4 types of money?

Ans. The 4 different types of money as classified by the economists are commercial money, fiduciary money, fiat money, commodity money. 


Question 2 What are functions of money?

Ans. To summarize, money has taken many forms through the ages, but money consistently has three functions: store of value, unit of account, and medium of exchange.


Question 3 What is the currency ratio?

Ans. The currency ratio (the proportion of cash in total money supply) is an im. concept in connection with the money supply process. 




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