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Zorluk: ZorValue of Money and Quantity Theory of Money

An economy initially has a money supply of ₦2,0002,000 million and a velocity of money circulation of 44. Following financial sector reforms, the money supply expands by 25%25\% while the velocity of circulation rises to 55. If the total volume of real economic transactions remains constant at 500500 million units, what is the new general price level according to Fisher's Quantity Theory of Money?

  1. A
    ₦20.00
  2. ₦25.00Cevap
  3. C
    ₦12.50
  4. D
    ₦0.04

Cevap

The new general price level is ₦25.00.
According to Irving Fisher's Quantity Theory of Money equation (MV=PTMV = PT), the new money supply is calculated as 2,000 million×1.25=2,500 million₦2,000 \text{ million} \times 1.25 = ₦2,500 \text{ million}. Multiplying this expanded money supply by the new velocity of circulation (55) yields a total monetary expenditure of 12,500 million₦12,500 \text{ million}. Dividing this by the fixed physical volume of transactions (500 million units500 \text{ million units}) produces the correct new general price level of ₦25.00.

Adım Adım Çözüm

1
Calculate the updated money supply (M1M_1) after the 25% expansion
M1=2,000 million×(1+0.25)=2,500 millionM_1 = ₦2,000 \text{ million} \times (1 + 0.25) = ₦2,500 \text{ million}
The money supply increased by 25% from its baseline of ₦2,000 million.
2
Identify the updated parameters for Fisher's Quantity Theory equation (MV=PTMV = PT)
M=2,500M = 2,500, V=5V = 5, T=500T = 500
The new velocity of circulation is given as 5 and the volume of physical transactions is constant at 500 million units.
3
Rearrange Fisher's equation to solve for the general price level (PP)
P=M×VTP = \frac{M \times V}{T}
Dividing total monetary expenditure (MVMV) by total transaction volume (TT) yields the price per transaction unit.
4
Substitute the values and compute the price level
P=2,500×5500=12,500500=25.00P = \frac{2,500 \times 5}{500} = \frac{12,500}{500} = ₦25.00
Performing the arithmetic calculation gives the updated price level.

Anahtar Kavram

Fisher's Quantity Theory of Money (MV = PT)
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