Suppose that the money demand function is (M/P)d = 800 - 50r, where r is interest rate in percent. The money supply M is 2,000 and the price level P is fixed at 5. a. Graph the supply and demand for real money balances. b. What is equilibrium interest rate? c. What happens to the equilibrium interest rate if the supply of money is reduced from 2000 to 15000? d. If the central bank wants the interest rate to be 4 percent, what money supply should it set?
A)
In the graph the downward sloping curve shows the money demand function. That is With M=2000 and P=5. So the real money balances is . We know that real money supply is independent with the rate of interest. So it will represented on vertical axis.
That is:
B)
When we get the equilibrium rate of interest when the demand for money and real balances of money are intersect each other. That is
so the rate of interest is 8%
C)
In this case the real money balnces reduced to 2000 to 1500 then the new real balances is . Then the new equilibrium rate of interest is solved by
When money supply reduced from 2000 to 1500 the rate of interest increased from 8% to 10%
D)
If the central bank set the interest rate at 4 percent then equal to Then
Here the price level is 5 and interest rate is 4 percent. Then,
If the central bank set interest rate at 4.Then nominal money supply increased from 800 to 1300.
Suppose that the money demand function is (M/P)d = 800 - 50r, where r is interest...
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