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Q21 (IAS/2021) Economy › Money, Banking & Inflation › Monetary aggregates Official Key

The money multiplier in an economy increases with which one of the following?

Result
Your answer:  ·  Correct: C
Explanation

The correct answer is Option 3: Increase in the banking habit of the people.

The money multiplier represents the maximum amount of broad money the banking system generates with each rupee of the monetary base. It is mathematically expressed as m = 1/r, where 'r' is the reserve ratio.

  • Option 3 is correct because an increase in banking habits leads to more deposits. When people deposit more money rather than holding cash, banks have a larger pool of funds to lend out. This cycle of lending and redepositing expands the money supply, thereby increasing the multiplier.
  • Options 1 and 2 are incorrect because an increase in CRR or SLR forces banks to keep more liquid assets or cash with the RBI. This reduces the funds available for lending, which decreases the money multiplier.
  • Option 4 is incorrect because population growth does not automatically translate into credit creation unless accompanied by financial inclusion and banking activity.
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Q. The money multiplier in an economy increases with which one of the following? [A] Increase in the Cash Reserve Ratio in the banks [B] I…
At a glance
Origin: Books + Current Affairs Fairness: Low / Borderline fairness Books / CA: 2.5/10 · 7.5/10

This is a conceptual 'Sitter' derived directly from NCERT Class XII Macroeconomics (Chapter 3). It tests the fundamental formula of the Money Multiplier ($m = \frac{1}{CDR + RDR}$). The strategy is simple: master the variables in the formula—if reserves (CRR/SLR) go up, the multiplier goes down; if people deposit more (banking habit), the multiplier goes up.

How this question is built

This question can be broken into the following sub-statements. Tap a statement sentence to jump into its detailed analysis.

Statement 1
Does an increase in the Cash Reserve Ratio (CRR) in banks increase the money multiplier in an economy?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 5/5
"= 1 ÷ R** Using this equation, you’ll find that a higher reserve ratio means a lower money multiplier, and likewise, a lower reserve ratio means a higher money multiplier."
Why this source?
  • Explicitly states the inverse relationship between the reserve ratio and the money multiplier.
  • Provides the direct conclusion that a higher reserve ratio yields a lower money multiplier.
Web source
Presence: 5/5
"The money multiplier is 1 ÷ R, being the inverse of the reserve ratio."
Why this source?
  • Gives the money-multiplier formula showing it is the inverse of the reserve ratio.
  • Directly ties the multiplier's size to the reserve requirement (R).
Web source
Presence: 5/5
"A higher reserve requirement reduces the amount available for lending, shrinking the money multiplier."
Why this source?
  • Explains that a higher reserve requirement reduces funds available for lending.
  • States that reduced lending 'shrinks the money multiplier', linking CRR increases to a lower multiplier.

Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 2: Money and Banking- Part I > 2.12 Money Creation > p. 59
Strength: 5/5
“This is represented in the following table: Public | Public P1 | H/2 | 0.2 (H/2) | H/2 | H P2 | 1/2(0.8 (H/2)) | 0.2/2 (0.8 (H/2)) | 1/2(0.8 (H/2)) | 0.8 (H/2) P4 Sum | 1/2 (5H/3) | 0.2/2 (5H/3) | 1/2 (5H/3) | 5H/3 So, with H monetary base and H money supply initially, the RBI has been able to increase/create the money supply to 5H/3 through fractional reserve banking. So, money supply is now 5/3 times of the monetary base, hence the money multiplier is 5/3. The value of the money multiplier depends on two variables: • currency-deposit ratio (cdr); and• reserves-deposit ratio (rdr) which is equal to required reserves plus excess reserves While currency deposit ratio depends on the behaviour of the public, the reserve deposit ratio depends on RBI regulations on CRR and SLR.”
Why relevant

States the money multiplier depends on the currency-deposit ratio and the reserves-deposit ratio (rdr), and notes rdr depends on regulations on CRR and SLR.

How to extend

A student can combine this with the basic fact that higher CRR raises required reserves (rdr) to infer higher CRR will change the multiplier (likely reduce it).

Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > Cash Reserve Ratio (CRR) = Percentage of deposits which a bank must keep as cash reserves with the bank. > p. 40
Strength: 5/5
“Apart from the CRR, banks are also required to keep some reserves in liquid form in the short term. This ratio is called Statutory Liquidity Ratio or SLR. In our fictional example, suppose CRR = 20 per cent, then with deposits of Rs 100, our bank will need to keep Rs 20 (20 per cent of 100) as cash reserves. Only the remaining amount of deposits, i.e., Rs 80 (100 – 20 = 80) can be used to give loans. The statutory requirement of the reserve ratio acts as a limit to the amount of credit that banks can create.”
Why relevant

Defines CRR as the percentage of deposits banks must keep as cash reserves and shows that higher CRR reduces the portion of deposits available for lending.

How to extend

Using the lending multiplier logic (less loanable funds → fewer deposit creation rounds), a student can infer higher CRR should lower the money multiplier.

Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > 3.4 POLICY TOOLS TO CONTROL MONEY SUPPLY > p. 42
Strength: 4/5
“Quantitative tools, control the extent of money supply by changing the CRR, or bank rate or open market operations. Qualitative tools include persuasion by the Central bank in order to make commercial banks discourage or encourage lending which is done through moral suasion, margin requirement, etc. It should be evident by now that if the Central bank changes the reserve ratio, this would lead to changes in lending by the banks which, in turn, would impact the deposits and hence, the money supply. In the previously discussed example, what would the money multiplier be if the RBI increases the reserve ratio to 25 per cent?”
Why relevant

Explains central bank quantitative tools include changing the reserve ratio and explicitly links changing the reserve ratio to changes in lending, deposits and hence money supply; poses a numeric example when reserve ratio is increased.

How to extend

A student could work through the numeric example (e.g., computing multiplier for different reserve ratios) to test whether raising CRR raises or lowers the multiplier.

Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 2: Money and Banking- Part I > 2.12 Money Creation > p. 58
Strength: 4/5
“20 as reserve money and the rest Rs. 80 they can lend to someone else. Banks can keep the reserves either with themselves (SLR) or with RBI (CRR). So, rdr is sum of CRR and SLR. Now we will understand the mechanism of money creation by monetary authority i.e. RBI. Suppose RBI wishes to increase the money supply in the economy. Let us assume that RBI purchases some assets, say, government bonds or gold worth Rs. H from the market and in turn issues the currency note worth Rs. H to that person (P1). So, in this situation, money supply is H and monetary base is also H.”
Why relevant

Notes that reserves can be kept as CRR or SLR and that rdr is the sum of CRR and SLR, tying CRR quantitatively into the reserve-deposit ratio which affects money creation.

How to extend

A student could treat CRR as a component of rdr and recalc the theoretical multiplier formula (1/(cdr + rdr)) to see how an increase in CRR shifts the multiplier.

Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > Note: > p. 159
Strength: 3/5
“• Data on M_0 are published by RBI on weekly basis, while data for M_1 and M_3 are published on fortnightly basis. • Data on L_1 and L_2 are published monthly, while data on L_3 are published quarterly. Ø Money Multiplier - It is the ratio of Broad Money to Reserve Money. It indicates how an initial deposit leads to a greater final increase in the total money supply. Money Multiplier = M_3/M_0 - Money multiplier may be impacted by any change in the components mentioned under M_3 or M_0. Any step to increase M<sub>3</sub> improves the Money Multiplier. Examples include increase in banking habit of people, which can be achieved through better financial inclusion.”
Why relevant

Gives the formal definition Money Multiplier = M3/M0 and states the multiplier may be impacted by any change in components of M3 or M0 (e.g., banking habits).

How to extend

A student can reason that increasing CRR alters reserve money (part of M0 or affects bank lending that determines M3), so computing effects on M3 and M0 would show the direction of multiplier change.

Statement 2
Does an increase in the Statutory Liquidity Ratio (SLR) in banks increase the money multiplier in an economy?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 5/5
"The reserve requirement determines the portion of deposits that banks must hold and cannot lend out. A higher reserve requirement reduces the amount available for lending, shrinking the money multiplier."
Why this source?
  • Explains how the reserve requirement affects lending and the money multiplier directly.
  • States that a higher reserve requirement reduces funds available for lending, which shrinks the money multiplier — implying an increase in reserve-like ratios (such as SLR) would lower the multiplier.
Web source
Presence: 5/5
"= 1 ÷ R** Using this equation, you’ll find that a higher reserve ratio means a lower money multiplier, and likewise, a lower reserve ratio means a higher money multiplier."
Why this source?
  • Gives the money-multiplier formula (1 ÷ R) tying the multiplier inversely to the reserve ratio.
  • Explicitly states that a higher reserve ratio means a lower money multiplier, reinforcing that raising reserve requirements reduces the multiplier.
Web source
Presence: 4/5
"The Central Bank of Nigeria can increase the Statutory Liquidity Ratio (SLR) to contain inflation, suck liquidity in the market, to tighten the measure to safeguard the customers’ money."
Why this source?
  • Specifically describes SLR and notes that raising SLR is used to 'suck liquidity' from the market.
  • Reduction in available liquidity for banks to lend is consistent with a lower money multiplier when SLR is increased.

Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 2: Money and Banking- Part I > 2.12 Money Creation > p. 59
Strength: 5/5
“This is represented in the following table: Public | Public P1 | H/2 | 0.2 (H/2) | H/2 | H P2 | 1/2(0.8 (H/2)) | 0.2/2 (0.8 (H/2)) | 1/2(0.8 (H/2)) | 0.8 (H/2) P4 Sum | 1/2 (5H/3) | 0.2/2 (5H/3) | 1/2 (5H/3) | 5H/3 So, with H monetary base and H money supply initially, the RBI has been able to increase/create the money supply to 5H/3 through fractional reserve banking. So, money supply is now 5/3 times of the monetary base, hence the money multiplier is 5/3. The value of the money multiplier depends on two variables: • currency-deposit ratio (cdr); and• reserves-deposit ratio (rdr) which is equal to required reserves plus excess reserves While currency deposit ratio depends on the behaviour of the public, the reserve deposit ratio depends on RBI regulations on CRR and SLR.”
Why relevant

States the money multiplier depends on the currency-deposit ratio and the reserves-deposit ratio, and notes that the reserve-deposit ratio depends on RBI regulations including CRR and SLR.

How to extend

A student can combine this with the standard multiplier formula to infer that raising SLR raises reserve-deposit ratio, which (ceteris paribus) should reduce the multiplier.

Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > Cash Reserve Ratio (CRR) = Percentage of deposits which a bank must keep as cash reserves with the bank. > p. 40
Strength: 4/5
“Apart from the CRR, banks are also required to keep some reserves in liquid form in the short term. This ratio is called Statutory Liquidity Ratio or SLR. In our fictional example, suppose CRR = 20 per cent, then with deposits of Rs 100, our bank will need to keep Rs 20 (20 per cent of 100) as cash reserves. Only the remaining amount of deposits, i.e., Rs 80 (100 – 20 = 80) can be used to give loans. The statutory requirement of the reserve ratio acts as a limit to the amount of credit that banks can create.”
Why relevant

Explains SLR is a statutory requirement limiting the amount of deposits banks can use to give loans, acting as a limit to credit creation.

How to extend

Using the idea that less lendable deposits mean lower deposit expansion via fractional-reserve banking, a student can deduce higher SLR likely reduces the multiplier.

Macroeconomics (NCERT class XII 2025 ed.) > Chapter 6: Open Economy Macroeconomics > National Income Identity for an Open Economy > p. 104
Strength: 3/5
“Speculative demand Demand for money as a store of wealth. Statutory Liquidity Ratio (SLR) The fraction of their total demand and time deposits which the commercial banks are required by RBI to invest in specified liquid assets. Sterilisation Intervention by the monetary authority of a country in the money market to keep the money supply stable against exogenous or sometimes external shocks such as an increase in foreign exchange inflow. Stocks Those variables which are defined at a point of time.”
Why relevant

Defines SLR as the fraction of deposits banks must invest in specified liquid assets, clarifying SLR's role as part of reserves.

How to extend

A student could map this reserve fraction into the reserves-deposit ratio in multiplier formulas to judge the SLR → multiplier relationship.

Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 2: Money and Banking- Part I > The following are the major instruments/tools that RBI uses for conducting its monetary policy: > p. 63
Strength: 4/5
“is called CRR. "In terms of Section 42(1) of the RBI Act, 1934 the Reserve Bank, having regard to the needs of securing the monetary stability in the country, prescribes the CRR for SCBs without any floor or ceiling rate". Statutory Liquidity Ratio (SLR) The amount of reserves that the scheduled commercial banks are required to maintain with themselves on a daily basis in safe and liquid assets such as government securities, gold and cash with respect to their NDTL is called SLR. Excess CRR balances are also treated as liquid assets for the purpose of SLR i.e., SLR can be maintained as cash balance with RBI.”
Why relevant

Clarifies SLR is maintained in safe liquid assets with respect to NDTL and that excess CRR balances count as liquid assets for SLR purposes.

How to extend

A student can use this to reason about how regulatory changes to SLR change banks' available lending capacity and thus affect the multiplier.

Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > Note: > p. 159
Strength: 4/5
“• Data on M_0 are published by RBI on weekly basis, while data for M_1 and M_3 are published on fortnightly basis. • Data on L_1 and L_2 are published monthly, while data on L_3 are published quarterly. Ø Money Multiplier - It is the ratio of Broad Money to Reserve Money. It indicates how an initial deposit leads to a greater final increase in the total money supply. Money Multiplier = M_3/M_0 - Money multiplier may be impacted by any change in the components mentioned under M_3 or M_0. Any step to increase M<sub>3</sub> improves the Money Multiplier. Examples include increase in banking habit of people, which can be achieved through better financial inclusion.”
Why relevant

Gives the operational definition of money multiplier (M3/M0) and notes it may be impacted by any change in components of M3 or M0, e.g., banking habits.

How to extend

By treating SLR as affecting M3 (bank credit) or effective reserves in M0, a student can test whether raising SLR would lower M3 relative to M0 and thus reduce the multiplier.

Statement 3
Does an increase in the banking habit (higher propensity of people to deposit cash in banks) increase the money multiplier in an economy?
Origin: Direct from books Fairness: Straightforward Book-answerable
From standard books
Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > Note: > p. 159
Presence: 5/5
“• Data on M_0 are published by RBI on weekly basis, while data for M_1 and M_3 are published on fortnightly basis. • Data on L_1 and L_2 are published monthly, while data on L_3 are published quarterly. Ø Money Multiplier - It is the ratio of Broad Money to Reserve Money. It indicates how an initial deposit leads to a greater final increase in the total money supply. Money Multiplier = M_3/M_0 - Money multiplier may be impacted by any change in the components mentioned under M_3 or M_0. Any step to increase M<sub>3</sub> improves the Money Multiplier. Examples include increase in banking habit of people, which can be achieved through better financial inclusion.”
Why this source?
  • Defines money multiplier as Broad Money (M3) divided by Reserve Money (M0) and links multiplier to changes in these components.
  • Explicitly states that any step to increase M3 improves the money multiplier and gives 'increase in banking habit' as an example.
Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 2: Money and Banking- Part I > 2.12 Money Creation > p. 58
Presence: 4/5
“So, now the first person has money H (H/2 as cash and H/2 in the deposit form) and the second person (P2) has money 0.8 (H/2) i.e. 0.4 H. So, the total money supply in the economy increases from H to H + 0.4H = 1.4H. This has been possible because banks have been given the liberty to keep only a fraction of the deposited money as reserve in their vaults and the rest they can lend to others. (This is called "fractional reserve banking"). So, additional money is getting created through fractional reserve banking.”
Why this source?
  • Describes fractional-reserve banking where banks keep only a fraction of deposits as reserves and lend out the rest.
  • Shows mechanism by which deposits lead to successive rounds of lending and deposit creation, expanding the money supply.
Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > 3.3 MONEY CREATION BY BANKING SYSTEM > p. 39
Presence: 4/5
“Banks can create money in a manner similar to that as given in Lala's story. Banks can lend simply because they do not expect all the depositors to withdraw what they have deposited at the same time. When the banks lend to any person, a new deposit is opened in that person's name. Thus money supply increases to old deposits plus new deposit (plus currency.) 39 Money and Banking Let us take an example. Assume that there is only one bank in the country. Let us construct a fictional balance sheet for this bank. Balance sheet is a record of assets and liabilities of any firm.”
Why this source?
  • Explains that when banks lend, new deposits are created in borrowers' names, increasing total money supply.
  • Connects higher deposits with banks to greater potential for money creation under the banking system.
Statement 4
Does an increase in the population of a country increase the money multiplier in the economy?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 5/5
"always smaller than 1/rr (except in the rare case where C and ER both = 0). • ΔMS = m × ΔMB, where ΔMS = change in the money supply; m = the money multiplier; ΔMB = change in the monetary base."
Why this source?
  • Identifies the components (currency ratio C and excess reserves ER) that make the multiplier smaller than the simple 1/rr formula.
  • Shows the money multiplier depends on reserve ratio, currency holdings and excess reserves — factors unrelated to population in the passage.
Web source
Presence: 5/5
"The money multiplier is 1 ÷ R, being the inverse of the reserve ratio."
Why this source?
  • Gives the standard formula linking the money multiplier to the reserve ratio (m = 1 ÷ R).
  • Indicates the multiplier is determined by banking reserve behavior (R), not by population in the quoted material.
Web source
Presence: 5/5
"The reserve requirement determines the portion of deposits that banks must hold and cannot lend out. A higher reserve requirement reduces the amount available for lending, shrinking the money multiplier. Conversely, a lower reserve requirement allows banks to lend more, expanding the money supply."
Why this source?
  • Explains how the reserve requirement directly changes the amount banks can lend and thus the money multiplier.
  • Reinforces that institutional/banking rules (reserve requirements) drive the multiplier rather than population in the passage.

Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 8: Financial Market > 2020 > p. 247
Strength: 4/5
“Which of the statements given above is/are correct? • (b) 1 and 2 only • (a) 1 only • (d) 1, 2 and 3 • (c) 3 only • 12. The money multiplier in an economy increases with which one of the following? • (a) Increase in the Cash Reserve Ratio • (b) Increase in the banking habit of population • (c) Increase in the statutory liquidity ratio • (d) Increase in the population of the country”
Why relevant

This MCQ lists 'Increase in the population of the country' alongside other factors asked to affect the money multiplier, and separately includes 'increase in the banking habit of population' as an option — implying population-related behaviour is considered relevant to the multiplier.

How to extend

A student could treat this as a prompt to distinguish mere population growth from changes in banking behaviour (e.g., higher deposit rates) when assessing multiplier effects.

Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > Note: > p. 160
Strength: 5/5
“Indian Economy From mid-1990s to 2016-17, the money multiplier was mostly increasing. However, it has been declining since 2017-18. However, in 2019-20 and 2020-21 (up to January 2021), the money multiplier has recorded a slight decline, reflecting large deposits by banks with RBI under reverse repo.”
Why relevant

Reports observed changes in the money multiplier and links at least one decline to banks' large deposits with the central bank under reverse repo — indicating that where deposits are parked (and not lent) matters for the multiplier.

How to extend

Combine with a hypothesis that population-driven increases in deposits only raise the multiplier if those deposits are intermediated into loans rather than parked with the central bank.

Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 19: Population and Demographic Dividend > Benefits of Demographic Dividend > p. 572
Strength: 4/5
“• Savings and investments across the country increase, which automatically generate capital resources. Higher the demographic dividend, larger the surplus available for investment for a country, which results in wealth accumulation. • Lowering of taxes may also be one of the benefits when demographic window of a country increases because the proportion of working age also increases.”
Why relevant

States that higher demographic dividend (i.e., more working-age population) increases national savings and investment — a population change that can affect aggregate savings and hence banking deposits.

How to extend

Extend by connecting higher population-driven savings to larger bank deposits, then test whether those deposits translate into increased lending and thus a higher money multiplier.

Macroeconomics (NCERT class XII 2025 ed.) > Chapter 6: Open Economy Macroeconomics > National Income Identity for an Open Economy > p. 98
Strength: 4/5
“We consider how each of these change in the open economy context. 1 – A c m+ Since m, the marginal propensity to import, is greater than zero, we get a smaller multiplier in an open economy. It is given by EXAMPLE 6.2 and 1 – c m = + 1 – 0.8 0.3 = 0.5 = 2 (6.12) If domestic autonomous demand increases by 100, in a closed economy output increases by 500 whereas it increases by only 200 in an open economy. 1 The fall in the value of the autonomous expenditure multiplier with the opening up of the economy can be explained with reference to our previous discussion of the multiplier process (Chapter 4).”
Why relevant

Explains that the value of a (fiscal) multiplier depends on marginal propensities (to import, consume, etc.), illustrating that multipliers generally hinge on behavioural ratios rather than raw size variables.

How to extend

Use this general rule to argue the money multiplier will depend on behavioural ratios (e.g., currency–deposit ratio, reserve ratios, propensity to hold cash) which a population change only affects if it alters those ratios.

Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 20: Investment Models > INVESTMENT MULTIPLIER > p. 583
Strength: 3/5
“• Investment multiplier (IM) indicates that any public or private investment has positive impact not only on the prescribed project but also on many other dimensions of an economy. For example - If investment is done for a particular project, then it not only improves the infrastructure of a country but also increases the income of workers, suppliers and various industries related to that project The value of MPC and MPS always lies between 0 and 1. In other words, as multiplier shows the effect of change in total national investment on the amount of total national income, it equals the ratio of the change in total income to the change in investment.”
Why relevant

Defines multiplier logic in investment context and emphasizes the role of marginal propensities (MPC/MPS) in determining multiplier magnitude — reinforcing that multipliers are sensitive to propensities.

How to extend

A student could analogously apply the idea: population growth per se matters only to the extent it changes behavioural parameters (propensity to save/deposit vs. hold cash), thereby affecting the money multiplier.

Pattern takeaway: UPSC loves 'Formula-to-Concept' translation. They took a mathematical formula ($m = \frac{1+cdr}{cdr+rdr}$) and converted it into a qualitative sentence. Prepare for Economy by translating every graph and formula in NCERT into a plain-English 'If X increases, Y decreases' statement.
How you should have studied
  1. [THE VERDICT]: Sitter. This is a foundational concept found in every standard economy text (NCERT, Singh, Singhania). Missing this indicates a gap in core Macroeconomics.
  2. [THE CONCEPTUAL TRIGGER]: The 'Money Creation' chapter in NCERT Macroeconomics. Specifically, the section explaining how fractional reserve banking turns 'High Powered Money' ($M_0$) into 'Broad Money' ($M_3$).
  3. [THE HORIZONTAL EXPANSION]: Memorize the determinants: 1) Currency-Deposit Ratio ($CDR$): Inverse relationship (More cash in hand = Lower multiplier). 2) Reserve-Deposit Ratio ($RDR$): Inverse relationship (Higher CRR/SLR = Lower multiplier). 3) $M_3 = M_0 \times m$. 4) Velocity of Money: Distinct from multiplier; refers to frequency of transactions. 5) Digital Payments: Lower demand for physical cash $\to$ Lower $CDR$ $\to$ Higher Multiplier.
  4. [THE STRATEGIC METACOGNITION]: Do not just memorize definitions. Visualize the flow: You deposit ₹100 $\to$ Bank keeps ₹10 (Reserves) $\to$ Lends ₹90. If you kept that ₹100 under a mattress (Low Banking Habit), the lending cycle never starts. The question simply asked for the 'trigger' of this cycle.
Concept hooks from this question
📌 Adjacent topic to master
S1
👉 Reserve-deposit ratio (rdr) and the money multiplier
💡 The insight

The money multiplier is determined by the currency-deposit ratio and the reserve-deposit ratio; an increase in CRR raises the reserve-deposit ratio.

High-yield for questions on money creation and monetary transmission: knowing how rdr feeds into the multiplier lets aspirants predict how RBI actions change broad money. It links to topics on monetary base, M3/M0, and credit creation, enabling calculation- and analysis-type questions.

📚 Reading List :
  • Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 2: Money and Banking- Part I > 2.12 Money Creation > p. 59
  • Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > Cash Reserve Ratio (CRR) = Percentage of deposits which a bank must keep as cash reserves with the bank. > p. 40
🔗 Anchor: "Does an increase in the Cash Reserve Ratio (CRR) in banks increase the money mul..."
📌 Adjacent topic to master
S1
👉 Cash Reserve Ratio (CRR): definition and effect on lending
💡 The insight

CRR is the percentage of deposits banks must keep as cash reserves with the central bank; a higher CRR reduces the portion of deposits available for lending.

Essential for answering GS3/Indian economy questions on banking and liquidity: mastering CRR clarifies why reserve requirements constrain credit creation and affect money supply. It connects to SLR, lending capacity, and policy objectives (inflation vs growth).

📚 Reading List :
  • Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > Cash Reserve Ratio (CRR) = Percentage of deposits which a bank must keep as cash reserves with the bank. > p. 40
  • Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > 4. Reserve Requirements > p. 167
🔗 Anchor: "Does an increase in the Cash Reserve Ratio (CRR) in banks increase the money mul..."
📌 Adjacent topic to master
S1
👉 CRR as a monetary policy tool to control liquidity and money supply
💡 The insight

Central bank changes in the reserve ratio (CRR) alter bank lending and thus the money supply and multiplier; raising CRR is used to reduce liquidity.

Crucial for policy-analysis questions: understanding CRR's use for inflation control versus growth support helps evaluate RBI actions in macroeconomic context and craft balanced answers on monetary policy instruments.

📚 Reading List :
  • Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > INCREMENTAL CASH RESERVE RATIO > p. 169
  • Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > 3.4 POLICY TOOLS TO CONTROL MONEY SUPPLY > p. 42
🔗 Anchor: "Does an increase in the Cash Reserve Ratio (CRR) in banks increase the money mul..."
📌 Adjacent topic to master
S2
👉 Determinants of the money multiplier (cdr and rdr)
💡 The insight

Money multiplier is driven by the currency-deposit ratio and the reserves-deposit ratio, the latter being influenced by SLR and CRR.

High-yield for UPSC: explains how policy changes in reserve requirements translate into changes in money supply. Connects monetary policy instruments with money creation and M0–M3 relationships. Enables answering questions on how reserve behaviour and public cash preferences shape money supply outcomes.

📚 Reading List :
  • Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 2: Money and Banking- Part I > 2.12 Money Creation > p. 59
  • Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > Note: > p. 159
🔗 Anchor: "Does an increase in the Statutory Liquidity Ratio (SLR) in banks increase the mo..."
📌 Adjacent topic to master
S2
👉 SLR as a limit on banks' credit creation
💡 The insight

SLR requires banks to hold a fraction of deposits in liquid assets, reducing funds available for lending and credit creation.

Essential for questions on banking operations and monetary control: shows a direct channel through which statutory ratios constrain bank lending and thus affect money supply. Links to topics on banking regulation, financial stability, and transmission of monetary policy.

📚 Reading List :
  • Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > Cash Reserve Ratio (CRR) = Percentage of deposits which a bank must keep as cash reserves with the bank. > p. 40
  • Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 3: Money and Banking - Part II > 3.1 History of Indian Banking and Reforms > p. 126
🔗 Anchor: "Does an increase in the Statutory Liquidity Ratio (SLR) in banks increase the mo..."
📌 Adjacent topic to master
S2
👉 SLR and CRR as contractionary tools to curb inflation
💡 The insight

Raising SLR (and CRR) is used to reduce inflation by lowering banks' ability to create credit and hence reducing money supply.

Frequently tested in both prelims and mains: helps explain policy responses to inflation and the rationale behind changing reserve requirements. Connects macro stabilization policy with central bank instruments and their real-economy effects.

📚 Reading List :
  • Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > INCREMENTAL CASH RESERVE RATIO > p. 169
  • Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 4: Inflation > a) Quantitative Measures > p. 72
🔗 Anchor: "Does an increase in the Statutory Liquidity Ratio (SLR) in banks increase the mo..."
📌 Adjacent topic to master
S3
👉 Money multiplier (M3/M0) and its determinants
💡 The insight

The money multiplier is the ratio of broad money to reserve money and rises when broad money (M3) grows relative to reserve money (M0).

High-yield for monetary policy and banking questions: explains how aggregate deposits and central bank reserves interact; links to topics like liquidity, monetary expansion and policy transmission. Mastery enables answering questions on how changes in deposits, reserve ratios, or central bank operations affect money supply.

📚 Reading List :
  • Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 7: Money and Banking > Note: > p. 159
  • Macroeconomics (NCERT class XII 2025 ed.) > Chapter 3: Money and Banking > 3.3 MONEY CREATION BY BANKING SYSTEM > p. 39
🔗 Anchor: "Does an increase in the banking habit (higher propensity of people to deposit ca..."
🌑 The Hidden Trap

The 'Currency-Deposit Ratio' (CDR). Since they asked about 'Banking Habit' (which lowers CDR), the next logical question is the impact of a crisis (like a Pandemic or Demonetization) on the multiplier. During a pandemic, people hoard cash (CDR rises) $\to$ Money Multiplier falls. Conversely, widespread UPI adoption lowers cash usage (CDR falls) $\to$ Money Multiplier rises.

⚡ Elimination Cheat Code

Apply the 'Restriction vs. Enabler' Logic. Options A (CRR) and B (SLR) are *restrictions*—they force banks to lock money away. Locking money stops it from multiplying. Option D (Population) is neutral; more people with cash under mattresses adds zero value. Option C (Banking Habit) is the only *enabler*—it moves money from idle (cash) to active (deposits), fueling the lending engine.

🔗 Mains Connection

GS3 (Inclusive Growth & Digital Economy): 'Banking Habit' is the technical economic justification for schemes like PM Jan Dhan Yojana. Financial Inclusion isn't just welfare; it is a monetary tool to increase the Money Multiplier, thereby allowing the RBI to manage liquidity more effectively with a smaller Monetary Base ($M_0$).

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SIMILAR QUESTIONS

IAS · 2019 · Q90 Relevance score: 7.89

The money multiplier in an economy increases with which one of the following?

IAS · 2010 · Q110 Relevance score: 0.45

When the Reserve Bank of India announces an increase of the Cash Reserve Ratio, what does it mean?

CDS-II · 2023 · Q120 Relevance score: 0.25

What would be the impact on the economy if people start holding more currency in hand and less in deposits?

CDS-I · 2010 · Q75 Relevance score: 0.00

Consider the following statements with regard to Statutory Liquidity Ratio (SLR): 1. To meet SLR, commercial banks can use cash only. 2. SLR is maintained by the banks with themselves. 3. SLR restricts the banks' leverage in pumping more money into the economy. Which of the statements given above is/are correct ?

IAS · 2012 · Q2 Relevance score: -0.12

Which of the following measures would result in an increase in the money supply in the economy? 1. Purchase of government securities from the public by the Central Bank 2. Deposit of currency in commercial banks by the public 3. Borrowing by the government from the Central Bank 4. Sale of government securities to the public by the Central Bank Select the correct answer using the codes given below :