8. Problems and Applications Q8 As described in the chapter, the Federal Reserve in 2008 faced a decrease in aggregate demand caused by the housing and financial crises and a decrease in short-run aggregate supply caused by rising commodity prices. Starting from a long-run equilibrium, illustrate the effects of these two changes on aggregate supply and aggregate demand on the following graph. Then on the subsequent graph, indicate what happens in a Phillips-curve diagram. Price Level LRAS Aggregate Supply Aggregate Demand Quantity of Output Aggregate Demand Aggregate Supply LRAS + Long-Run Equilibrium

8. Problems and Applications Q8 As described in the chapter, the Federal Reserve in 2008 faced a decrease in aggregate demand caused by the housing and financial crises and a decrease in short-run aggregate supply caused by rising commodity prices. Starting from a long-run equilibrium, illustrate the effects of these two changes on aggregate supply and aggregate demand on the following graph. Then on the subsequent graph, indicate what happens in a Phillips-curve diagram. Price Level LRAS Aggregate Supply Aggregate Demand Quantity of Output Aggregate Demand Aggregate Supply LRAS + Long-Run Equilibrium

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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The following graphs show the state of an economy that is currently in long-run equilibrium. The first graph shows the aggregate demand (AD) and long-run aggregate supply (LRAS) curves. The second shows the long-run and short-run Phillips curves (LRPC and SRPC). PRICE LEVEL INFLATION RATE 0 3 LRAS 4 5 LRPC 9 AD O AD LRAS 6 12 UNEMPLOYMENT RATE (Percent) 15 SRPC 18 Ⓒ SRPC - LRPC
Consider the figure to the right. If this country's government decides to increase its short-term spending, what happens to the short-run equilibrium price level, and why? Is this an example of demand-pull or cost-push inflation? Explain. 1.) Using the line drawing tool, draw either a new aggregate demand (AD) curve or a new short-run aggregate supply (AS) curve that shows the effects of temporary government spending increases. Properly label your line. 2.) Using the point drawing tool, indicate the economy's new short-run equilibrium price and level of real GDP. Label this point 'E₂.' Carefully follow the instructions above, and only draw the required objects. Price Level LRAS₁ Real GDP per Year (S trillions) AS₁ AD₁
6. Aggregate demand, aggregate supply, and the Phillips curve In the year 2023, aggregate demand and aggregate supply in the fictional country of Bartak are represented by the curves AD2023 and AS on the following graph. The price level is 102. The graph also shows two possible outcomes for 2024. The first potential aggregate demand curve is given by the ADA curve, resulting in the outcome illustrated by point A. The second potential aggregate demand curve is given by the ADB curve, resulting in the outcome illustrated by point B. 108 107 AS 106 B 105 A 104 AD 2023 103 AD. 102 AD 101 100 2 4 6 8 10 12 14 16 OUTPUT (Trillions of dollars) Suppose the unemployment rate is 7% under one of these two outcomes and 5% under the other. Based on the previous graph, you would expect to be associated with the higher unemployment rate (7%). If aggregate demand is low in 2024, and the economy is at outcome A, the inflation rate between 2023 and 2024 is PRICE LEVEL
QUESTION 9 The graph below reflects a significant increase in world oil prices. What will the impact on aggregate supply most likely lead to? Price Level P₂ P₁ Y2 Yi AS' AS AD Real National Income a. an increase in economic growth b. an increase in input prices c. a decrease in the natural unemployment rate d. less inflationary pressures
15. The late 1990s in the United States were characterized by substantial economic growth with low inflation; that is, real GDP increased with little, if any, increase in the aggregate price level. Explain this experience using aggregate demand and aggregate supply curves. Illustrate with a diagram.
1. In the following table, determine how each event likely effects potential output (a.k.a., long-run aggregate supply). Direction of Potential Output Shift Event Left Right No Shift The government allows more immigration of working-age adults. For environmental and safety reasons, the government requires that the country’s nuclear power plants be permanently shut down. An investment tax credit increases the rate at which firms acquire machinery and equipment. 2. In the following table, determine how each event affects the position of the aggregate demand curve. Direction of AD Curve Shift Event Left Right No Shift A decrease in consumer confidence (suggests people believe a contraction/recession coming) A decrease in individual income tax rates An increase in the value/price of housing 3. What effect would an increase in aggregate demand…
1) What effects might each of the following have on aggregate demand/aggregate supply? In each case use a diagram to illustrate the effect, explain why shifts occurred, and state the impact of each event on the price levels, the unemployment rate, and real GDP. a. Congress passes into law a $1.5 billion cut in personal income taxes. b. Significant technological advances in the renewable energy sector decrease the price of all electricity by 50% c. Increases in consumer confidence lead to a positive demand shock.
Suppose the economy is in the long-run equilibrium. b. Now suppose war in the world's main oil- producing region sharply reduces the world oil supply, causing oil prices to rise and increasing the costs of producing goods and services in this economy. Use your diagram to show what happens to output and the price level in the short run. c. Use the sticky-wage theory of aggregate supply to explain what will happen to output and the price level in the long run (assuming there are no policy changes). What role does the expected price level play in this adjustment? Be sure to illustrate your analysis in a graph.
a. Beginning with long-run equilibrium, use the aggregate demand (AD) and aggregate supply (AS) model to explain (and illustrate) what happens in the short run when the economy suffers a negative supply shock. Be sure to detail what happens to aggregate demand, aggregate supply, the price level, the level of GDP, and unemployment.
Assume that the economy is initially in equilibrium at potential GDP. Then suppose that the economy is hit simultaneously with a positive aggregate demand shock and a negative aggregate supply shock: There is a large increase in U.S. exports to Europe and a large increase in oil prices. A: Use an AD–AS graph to illustrate the initial equilibrium and the short-run equilibrium after the shocks. Do we know with certainty whether in the new equilibrium the output level will be higher or lower than potential GDP? B: Suppose that the Fed decides not to intervene with monetary policy. Show how the economy will adjust back to long-run equilibrium. C: Now suppose that the Fed decides to intervene with monetary policy. If the Fed’s policy is successful, show how the economy adjusts back to long-run equilibrium.
Decide if the following events are Micro, shifting supply or demand, or Macro, shifting AD or AS. Give the direction in which the graph shifts. Aggregate Demand Supply Demand Situation Aggregate Supply Sales of Atlanta Braves gear grows with the success of the team. 1. The President and Congress pass a trillion dollar stimulus bill to provide aid during recession. 2. 3. Salmonella outbreak in peanut processing plants threatens lunches for school children. Pomegranates are shown to be cancer fighting superfoods. 4. Value of U.S. dollars declines, exports increase. 5. 6. Global oil prices tank as shale fracking surges. Housing market crashes. Federal 7. Reserve slashes interest rates. 8. House votes to block EPA regulations on coal fired electricity plants.
3. Using the Aggregate Demand / Aggregate Supply framework, determine both i) the short run effect on the price level and real output and ii) the long run effect on the price level and real output iii) the total effect of the policy on the price level and real output for each of the following events (that is, do both parts (i) through (iii) for each of a. through e.): a. Consumer confidence in the economic outlook increases. b. Government spending on Medicare payments for patient medical care decreases. c. Workers obtain large nominal wage increases. d. A new gasoline engine modification improves fuel economy by 25%.