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Worked Examples · Example 10

Q.A commercial bank receives an initial (primary) deposit of Rs 20,000. If the Legal Reserve Ratio (LRR) required of the banking system is 25%, calculate

(i) the money multiplier and
(ii) the total deposits and
(iii) the total credit the banking system as a whole can create from this deposit.
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When a bank keeps only a fraction of each deposit as a reserve and lends out the rest, the loaned money returns to the banking system as fresh deposits, part of which is again lent — creating deposits several times the original amount.

  1. Money (credit) multiplier:

    Money Multiplier=1LRR=10.25=4\text{Money Multiplier} = \dfrac{1}{LRR} = \dfrac{1}{0.25} = 4

  2. Total deposits created by the banking system:

    Total Deposits=Initial Deposit×1LRR=20,000×4=80,000\text{Total Deposits} = \text{Initial Deposit} \times \dfrac{1}{LRR} = 20{,}000 \times 4 = 80{,}000

  3. Total credit (new loans) created is the total deposits minus the original primary deposit: Credit Created=80,000−20,000=60,000\text{Credit Created} = 80{,}000 - 20{,}000 = 60{,}000 …

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