Key Concepts & Self-Assessment15 Key Facts
Review key Money Supply Aggregates: M1, M2, M3, M4 & Reserve Money (M0) exam facts and rate your mastery to track revision.
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#1
Reserve Money (M0), or high-powered money, is computed as Currency in Circulation + Bankers' Deposits with RBI + Other Deposits with RBI.
#2
Narrow Money (M1) includes Currency with the Public + Demand Deposits with the Banking System + Other Deposits with RBI, offering maximum liquidity.
#3
Broad Money (M3) equals M1 + Time Deposits with the banking system and serves as the primary operational gauge for RBI monetary policy formulation.
#4
The money multiplier (m) represents the ratio of Broad Money (M3) to Reserve Money (M0) and is inversely related to the Cash Reserve Ratio (CRR).
#5
Irving Fisher's Classical Quantity Theory Equation (MV = PT) equates nominal transaction value to money supply multiplied by transaction velocity.
#6
The Reserve Bank of India introduced four standard monetary aggregates (M1, M2, M3, and M4) in 1977 based on the Second Working Group recommendations.
#7
M2 expands Narrow Money (M1) by adding Post Office savings bank deposits, which are liquid but excluded from commercial bank demand deposits.
#8
M4 represents the broadest aggregate under the 1977 schema, defined as M3 plus total deposits with Post Office savings organisations, excluding National Savings Certificates.
#9
The Y.V. Reddy Working Group on Money Supply (1998) introduced New Monetary Aggregates: NM1, NM2, and NM3, alongside Liquidity Aggregates L1, L2, and L3.
#10
The Cash Reserve Ratio (CRR) mandates commercial banks to keep a specified percentage of their Net Demand and Time Liabilities (NDTL) as cash reserves with the RBI under Section 42 of the RBI Act, 1934.
#11
The Statutory Liquidity Ratio (SLR), enforced under Section 24 of the Banking Regulation Act, 1949, requires banks to invest a mandated percentage of NDTL in unencumbered government securities, gold, or cash.
#12
Velocity of money (V) measures the frequency at which one unit of currency circulates through the economy to purchase final goods and services during a given fiscal period.
#13
John Maynard Keynes formulated the Liquidity Preference Theory in 1936, identifying three motives for holding cash: the transactions motive, the precautionary motive, and the speculative motive.
#14
A liquidity trap occurs when nominal interest rates approach zero and aggregate money demand becomes infinitely elastic, rendering standard monetary expansion ineffective.
#15
High-powered money increases when the RBI purchases foreign exchange assets or conducts Open Market Operations (OMOs) to buy government securities from commercial banks.
Subject Specialist Commentary
Analytical perspective & practical exam advice from the Master10 academic board
Money supply aggregates track currency and financial assets circulating within an economy. Formulated by the Reserve Bank of India, these measures reflect differing liquidity levels. Reserve Money (M0), or high-powered money, represents central bank monetary liabilities. Narrow Money (M1) consists of public currency, bank demand deposits, and other RBI deposits, offering highest liquidity. Broad Money (M3) adds bank time deposits to M1, serving as the RBI's primary operational policy gauge.
For UPSC Prelims, RBI Grade B, and SSC exams, questions frequently test aggregate formulas and liquidity rankings. Remember the descending liquidity order: M1 is the most liquid, followed by M2, M3, and M4. A regular exam trap involves post office funds: M2 adds post office savings deposits to M1, while M4 includes total post office deposits excluding National Savings Certificates. For monetary policy revision, remember that the money multiplier equals M3 divided by M0, meaning higher reserve requirements reduce money creation.
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