onsider the following IS-LM model with a banking system:
Consumption:
C = 7 + 0.6YD
Investment:
I = 0.205Y − i
Government expenditure:
G = 10
Taxes:
T = 10
Money demand: Md/P=Y/i
Demand for reserves:
Rd = 0.375Dd
Demand for deposits:
Dd = (1 − 0.2)Md
Demand for currency:
CUd = 0.2Md
This says that consumers hold 20% (c = 0.2) of their money as currency and the required reserve ratio is 37.5% (θ = 0.375). Demand for central bank money (Hd) is the total amount of currency being demanded plus the total demand for reserves. Suppose the price level is P = 1 and that the initial supply of central bank money is $100.
1.Solve for the money multiplier. Explain your work.
2.Solve for equilibrium output and the equilibrium interest rate at the initial supply of central bank money (ie. $100).
3.Suppose that the central bank sells $80 worth of bonds using open market operations. Solve for the new equilibrium output.
4.Solve for the the new equilibrium interest rate after the open market operations and use an IS-LM graph to explain what happened.
Answer:
onsider the following IS-LM model with a banking system: Consumption: C = 7 + 0.6YD Investment:...
Consider the following IS-LM model with a banking system: Consumption: C = 10 + 0.5YD Investment: I = 0.4Y − 100i Government expenditure: G = 5 Taxes: T = 10 Money demand: Md /P = Y /i In periods of financial turmoil, banks often choose to hold excess reserves above and beyond what they are required to hold by law. We shall denote the proportion of deposits held as excess reserves as ρ and the required reserve ratio as θ....
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1. Consider the following numerical example of the IS-LM model: C = 100 + 0.3YD I = 150 + 0.2Y - 1000i T = 100 G = 200 i = .01 (M/P)s = 1200 (M/P)d = 2Y - 4000i a. Find the equation for aggregate demand (Y). b. Derive the IS relation. c. Derive the LM relation if the central bank sets an interest rate of 1%. d. Solve for the equilibrium values of output, interest rate, C and I....
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