3. Assume the aggregate demand curve is given by Y 11.5 – 0.6n and the aggregate supply curve by t = 2.5 + 0.6(Y – 8). - a. Find the short-run equilibrium level of output and inflation and plot your results in a graph. b. Is the short-run equilibrium you have found in (a) also a long-run equilibrium? If not, how would the self-correcting mechanism ensure that long-run equilibrium is attained? Answer this question with the help of a graph.

3. Assume the aggregate demand curve is given by Y 11.5 – 0.6n and the aggregate supply curve by t = 2.5 + 0.6(Y – 8). - a. Find the short-run equilibrium level of output and inflation and plot your results in a graph. b. Is the short-run equilibrium you have found in (a) also a long-run equilibrium? If not, how would the self-correcting mechanism ensure that long-run equilibrium is attained? Answer this question with the help of a graph.

Brief Principles of Macroeconomics (MindTap Course List)

8th Edition

ISBN:9781337091985

Author:N. Gregory Mankiw

Publisher:N. Gregory Mankiw

Chapter15: Aggregate Demand And Aggregate Supply

Section: Chapter Questions

Problem 6PA

See similar textbooks

Similar questions

An economy's aggregate demand curve (the relationship between short-run equilibrium output and inflation) is described by the equation:Y = 15,000 - 12,000π, where π is the inflation rate. Initially, the inflation rate is 2 percent or π = 0.02. Potential output Yp equals 14,640.Note: Keep as much precision as possible during your calculations. Your final answer for inflation should be accurate to at least two decimal places and output should be accurate to the nearest whole number.a) Find inflation and output in short-run equilibrium. Inflation : 0%Output : $0 b) Find inflation and output in long-run equilibrium. Inflation : 0%Output : $0
MA4. 13. If the equation for a country's Phillips curve is π = 0.05 – 0.8(u – 0.05), where π is the rate of inflation and u is the unemployment rate, what is the short-run inflation rate when unemployment is 3 percent (0.03)? A) .066 B) -.056 C) -.066 D) .056 11. The aggregate supply equation is Y = Y + α(P – EP). Assume that Y is 2,000, α = 200, P = 1.12 and EP = 1.00. What is the value of Y? A) 2,232 B) 2,024 C) 2,400 D) 2,012 9. If policymakers announce in advance how policy will respond to various situations but then renege on their announcements, this a problem of: A) policy by rule. B) policy by discretion. C) time inconsistency of policy. D) monetary policy. 10. According to the sticky-price model, output will be above the natural level if: A) firms expect a high price level and the demand for goods is high. B) the proportion of firms with flexible prices equals the proportion of firms with sticky prices. C) the price level is above the…
Assume that (a)the price level is flexible upward but not downward and (b) the economy iscurrently operating at its full-employment output. Other things equal, how willeach of the following affect the equilibrium price level and equilibrium levelof real output in the short run?· An increase in aggregate demand.· A decrease in aggregate supply, with no change in aggregatedemand.· Equal increases in aggregate demand and aggregate supply.· A decrease in aggregate demand.· An increase in aggregate demand that exceeds an increase inaggregate supply.
10. Which of the following are reasons why the short-run Aggregate Supply curve shown in the right-hand diagrams may be vertical? a) The economy at this level of real GDP would be operating beyond the full-employmetn level. b) Inflationary expectations have set-in so, the owners of resources are acting on these inflationary expectations and insisting on higher resource prices in anticipation of future products price inflation. c) Short-run Aggregate Suply in the Classical model is always constant. d) All the above e) Only (a) and (b) are true. f) None of the above.
Suppose the current administration decides to increase government expenditures as a means of fighting the COVID-19 crisis. a) Using a graph of aggregate demand and supply, show the effects of such a decision on the economy in the short run. Describe the effects on inflation and output
24. Which of the following groups benefit from an unanticipated rise in the inflation rate ? O. homeowners with foxed - rate mortgages O. elderly people living on fixed incomes O. creditors or lenders O. workers on contracts without escalator claines 25. Suppose oil prices continue to rise , causing a supply shock . If the Fed increases interest rates , what would be the long run outcome ? O. The economy returns to long run equilibrium at a lower output but higher price level O. The economy returns to long run equilibrium at the original price level and output O. The economy returns to full employment but at a higher price level O. The economy returns to the original price level but at a lower output
The Short-Run Aggregate Supply Curve (AS) is given by: y=20pAnd the Short-Run Aggregate Demand Curve (AD) is given by: y=25,000−20p Suppose instead that the Central Bank wanted to take action to keep the price-level completely stable. This would entail keeping it constant at its current rate. Suppose also that the Central Bank targets the interest rate directly. Suppose also that: • The Marginal Propensity to Spend is 0.75. • Every 1% increase in the interest rate leads to a decrease in Autonomous Consumption of 250 and a decrease in Autonomous Investment of 250. How much would the Central Bank need to change the current interest rate in order to keep the price level from changing through the medium-term as this output gap closes in the economy?
2.1. In Figure 2 above, what are the factors that may cause the aggregate demand to shift from AD to AD1? What is the difference between demand pull inflation, cost push inflation and recession? 2.2. In macroeconomics, the immediate short run is known as a length of time when both input prices and output prices are fixed. In the short-run, input prices are fixed but output prices are variable. In the long run, input prices and output prices can vary. Describe the AS curve in the Immediate Short run. Describe the AS curve in the Short run. Describe the AS in the Long run.
2.1. In Figure 2 above, what are the factors that may cause the aggregate demand to shift from AD to AD1? What is the difference between demand pull inflation, cost push inflation and recession? 2.2. In macroeconomics, the immediate short run is known as a length of time when both input prices and output prices are fixed. In the short-run, input prices are fixed but output prices are variable. In the long run, input prices and output prices can vary. Describe the AS curve in the Immediate Short run.
With the onset of COVID-19, the Fed, led by Fed Chairman Jerome Powell, lowered its target interest rate (the federal funds rate) by 1.5 percentage points, to a range of 0.00-0.25 percent. This was done with 2 rate cuts during March 2020. Consider the aggregate demand-aggregate supply diagram below, which represents the macroeconomy. Suppose the market is initially (with the onset of COVID) at an equilibrium at point A. What effect will the Fed's actions have on this economy?
4. Consider the ASAD model of a closed economy with zero ongoing inflation and workers misperceptions. Firms are perfectly competitive, produce output with diminishing marginal returns to labour and have perfect foresight over the price level. Workers, instead, expect zero inflation in each period. At time zero, the economy is in the potential equilibrium. There is a negative shock on aggregate demand – for example, a permanent fall in desired autonomous consumption at time t = 1. What are the effects of the shock on the equilibrium real wage in the short and in the medium run? Describe (at least in words, and even better in a diagram) the entire time path of the real wage from before the shock to the medium-run equilibrium. Prove your statements formally – for example, use the diagram of the labour market where you measure the real wage on the vertical axis, and distinguish the very short run (the temporary equilibrium at time t = 1) from the medium run. Carefully explain the…
Explain why the U.S. economy was able to aciheve full employment with relative price level stability between 1996 and 200 even though we had increases in aggregate demand that would have pushed us past full-employment and normally caused high inflation.