Macroland, currency held by the public is 2,000 econs, bank reserves are 300 econs, and the required reserve/deposit ratio is 10 percent. if the central bank raises the required reserve/deposit ratio making the new desired ratio equal to 15 percent, then the money supply in macroland will to econs, assuming that the public does not wish to change the amount of currency it holds.

a)20,000; 22,000
b)5,000; 2,000
c)3,000; 5,000
d)5,000; 7,000

D)5,000; 7,000

Explanation:

Public is holding 2000 econs and banks reserves are 300 econs. It is mentioned that reserve requirement is 10%.

So total bank deposits must be 3000. Money supply in the economy is (3000 + 2000 = 5000)

When the reserve ratio is 0.1, that means the money multiplier is 10.

If there is an additional inflow of currency because of printing 200 econs by central bank then because of multiplier effect it will be 2000 econs.

Money supply from earlier 5000 econs will become 7000 econs.

Option D is correct.

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