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Zorluk: ZorCommercial Banks: Functions, Services, and Credit Creation

A commercial bank receives a new cash deposit of N250,000\text{N}250,000. Following multiple rounds of lending across the banking system, the total credit created in the economy expands to N1,250,000\text{N}1,250,000. What is the Cash Reserve Ratio enforced by the monetary authority?

  1. 20%20\%Cevap
  2. B
    25%25\%
  3. C
    80%80\%
  4. D
    5%5\%

Cevap

The Cash Reserve Ratio enforced by the monetary authority is 20%20\%.
The relationship between initial cash deposits, total credit expanded, and the reserve ratio is given by Total Credit Created=Initial DepositCash Reserve Ratio\text{Total Credit Created} = \frac{\text{Initial Deposit}}{\text{Cash Reserve Ratio}}. Substituting N1,250,000=N250,000Cash Reserve Ratio\text{N}1,250,000 = \frac{\text{N}250,000}{\text{Cash Reserve Ratio}} and solving for the ratio gives N250,000N1,250,000=0.20\frac{\text{N}250,000}{\text{N}1,250,000} = 0.20, or 20%20\%.

Adım Adım Çözüm

1
Recall the credit creation formula linking initial deposit, total credit created, and the cash reserve ratio.
Total Credit Created=Initial DepositCash Reserve Ratio\text{Total Credit Created} = \frac{\text{Initial Deposit}}{\text{Cash Reserve Ratio}}
The total volume of credit created by commercial banks depends inversely on the stipulated reserve percentage.
2
Rearrange the formula to isolate the Cash Reserve Ratio.
Cash Reserve Ratio=Initial DepositTotal Credit Created\text{Cash Reserve Ratio} = \frac{\text{Initial Deposit}}{\text{Total Credit Created}}
Dividing initial deposit by total credit expanded gives the reserve ratio directly.
3
Substitute the given numerical values into the equation and calculate.
Cash Reserve Ratio=N250,000N1,250,000=0.20=20%\text{Cash Reserve Ratio} = \frac{\text{N}250,000}{\text{N}1,250,000} = 0.20 = 20\%
Executing the division yields 0.200.20, which converts to 20%20\%.

Anahtar Kavram

Credit Multiplier and Reserve Requirements in Commercial Banking
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