=0. An economy is described by the following equations:AD:SRAS:Okun's law:Y = 4000 + 2(M/P)Y = ybar + 100(P-P)(Y-ybar)/ybar =-2(u-ubar).Assume ybar 6000 and ubar=0.05.=A) Suppose that the nominal money supply has long been at M = 4000 and is expected by thepublic to remain constant forever.The equilibrium value of P isThe equilibrium value of P is,The equilibrium value of Y is,The equilibrium value of u isThe equilibrium value of x is,(2 points each)B) A totally unexpected increase in in the money supply occurs, raising it from 4000 to 5250.[Part B is for extra credit]The short run equilibrium value of P isThe short run equilibrium value of Pe is_The short run equilibrium value of Y isThe short run equilibrium value of u is.The value of unanticipated inflation, which is defined as (P-P)/P, is,The value of the slope of the short-run Phillips curve is(2 points each)

A)Step 1: Find the equilibrium value of P.In the long run, Y = Y^bar = 6000 (by…

Answered: =0. An economy is described by the…

Exploring Economics

8th Edition

ISBN:9781544336329

Author:Robert L. Sexton

Publisher:Robert L. Sexton

Chapter27: Issues In Macroeconomic Theory And Policy

Section: Chapter Questions

Problem 5P

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consider the money demand function. If the money supply is expected to be decreased in the next month what is the effect on the inflation this month? Describe briefly.
The demand for real money balances is given by , where M is the quantity of money, P is the price level, Y is output, and i is the nominal interest rate which is measured in percent. At the beginning of the year, the nominal interest rate is 5%. Over the year, the monetary base increases by 4%, the money multiplier increases by 2%, the output increases by 1% percent, and the nominal interest rate decreases by 10 BASIS POINTS. (a) If the ex ante real interest rate equals 0.5%, find the expected inflation rate at the beginning of the year. (b) Calculate the percentage change in the velocity of money. (c) [In answering this question, you are allowed to use the approximations regarding percentage changes; see page 4 of the math review (slide set 3).] Calculate the actual inflation rate. (d) Is it true that purchasing power was transferred from lenders to borrowers?
Q1. Consider the IS-LM model. Suppose the economy of Economica is initially at the general equilibrium. Suppose further that the central bank of Economica considers the increase of the nominal money supply as a policy tool and hires you as a consultant. Explain and show graphically how an increase in the nominal money supply would affect the labor, goods, or the asset market. Explain and show graphically how an increase in the nominal money supply would affect the short-run equilibrium. Explain and show graphically how an increase in the nominal money supply would affect the general (long-run) equilibrium. The use of monetary policy is highly debated among classical and Keynesian economists. Where do they agree and where do they disagree with respect to monetary policy?
Lowering the nominal interest rate: Suppose the Fed announces today that it islowering the fed funds rate by 50 “basis points” (that is, by half a percentage point). Using the IS-MP diagram, explain what happens to economic activ-ity in the short run.
Suppose the current inflation rate is a constant 7% and the central bank implements a disinflation policy to reduce it to its target rate of 3%. To achieve this objective the central bank, by increasing its cash rate, raise the nominal interest rate from its current 9% to 14%. In the long run, at which the central bank achieves its inflation target, what will be the nominal rate of interest, the real rate of interest and the inflation rate?
Explain why we model the demand for real money balance as a function of nationalincome and the nominal interest rate.
Suppose that the real money demand function is L(Y,r+πe)=0.3Y÷ (r+πe) Where Y is real output, r is the real interest rate, and πe is the expected rate of inflation. Real output is constant over time at Y = 1500. The real interest rate is fixed in the goods market at r = 0.5 per year. Suppose that the nominal money supply is growing at the rate of 10% per year and that this growth rate is expected to persist for ever. Currently, the nominal money supply is M = 400. What are the values of the real money supply and the current price level? (Hint: What is the value of the expected inflation rate that enters the money demand function?). Suppose that the nominal money supply is M = 400. The Bank of Namibia announces that from now on the nominal money supply will grow at the rate of 5% per year. If everyone believes this announcement, and if all markets are in equilibrium, what are the values of real money supply and the current price level? Explain the effects on the…
Consider the following short-run IS-LM model. Assume the central bank targets the nominal interest rate and expected inflation is zero. C = 300 + .50YD I = 1000 + .10Y – 5000i G = 700 T = 600 M/P = 100 + .25Y - 6250i P = 1 i = .06 Y-T = YD Solve for the IS equation and the LM equation. Find the equilibrium and also show it on a graph of IS-LM. Find the equilibrium values for C, I, and the money supply M. Consider a fiscal stimulus: what is the impact on Y if G rises by 100? What is the impact on I in this case? What is the impact on the interest rate and the money supply? Return to your original analysis. Consider a monetary stimulus where the central bank sets a new target interest rate, i = .04. Find the new equilibrium values for Y, C, and I. Find and discuss any change in the money supply. What causes the change in I in this case? Explain.
Assume that the demand for real money balance (M / P) is M / P = 0.8Y – 200i, where Y is national income, and i is the nominal interest rate (in percent). The real interest rate r is fixed at 5 percent by the investment and saving functions. The expected inflation rate equals the rate of nominal money growth. If Y is 2,500, P is 1.2, and the growth rate of nominal money is 2 percent, what must i and M be? Show all your work, show formula used and explain why.
If nominal money demand is proportional to nominal income, by how much will real money demand increase if real income rises 10%.
The money demand function is (M/P)d = Y-150rThe money supply M is 1,000 and the price level P is 2. For this economy, use a graph to illustrate the LM curve for r ranging from 0 to 8.
Aggregate demand function is given by Y=7000-20P; the shirt-run aggregate supply function is given by Y=6000+5(P-Pe). The economy was in equilibrium when the government unexpectedly increased its spending which led to a shift of the aggregate demand curve to Y=7500-20P. What's the rate of inflation? Please illustrate the calculations by means of an AS-AD graph.

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