MindTap Economics, 1 term (6 months) Printed Access Card for Mankiw's Principles of Macroeconomics, 8th (MindTap Course List)
8th Edition
ISBN: 9781337096591
Author: N. Gregory Mankiw
Publisher: Cengage Learning
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Chapter 22.1, Problem 1QQ
To determine
Phillips curve .
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Draw the Phillips curve.Use the model of aggregate demand and aggregate supply to show how policy can move the economy from a point on this curve with high inflation to a point with low inflation
In the decade through 2020, inflation was consistently low. If people adjusted their inflation expectations to their actual inflation experience, this would
shift the short-run Phillips curve down.
shift the short-run Phillips curve up.
shift the long-run Phillips curve to the left.
Shift the long-run Phillips curve to the right.
Draw the short-run and long-run Phillips curve. Label three points representing a recessionary gap, and inflationary gap, and full employment output. Identify what happens to the short-run Phillips curve when there is a change in aggregate demand and when there is a change in aggregate supply.
Chapter 22 Solutions
MindTap Economics, 1 term (6 months) Printed Access Card for Mankiw's Principles of Macroeconomics, 8th (MindTap Course List)
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- Which of the following is true about the Phillips curve? The empirical relationship between unemployment and inflation in the US disappeared after the 1970s. This means that the theoretical Phillips curve does not represent the world well. For a researcher to identify the theoretical Phillips curve from empirical data, the economy must be subject to supply shocks. The empirical Phillips curve implies that a government must choose between either low unemployment and high inflation or high unemployment and low inflation. When inflation expectations adjust, the negative empirical correlation between inflation and unemployment might disappear.arrow_forwardAccording to the Phillips curve, there is an inverse relationship between inflation and unemployment. It is possible for policymakers to “buy” lower unemployment by allowing higher inflation. Using a Phillips curve, illustrate and explain how nationwide rioting and looting will impact the economy and why this supply shock has implications for policymakersarrow_forwardTrue or false? An increase in inflation expectations shifts the short-run Phillips curve right and has no effect on the long-run Phillips curve.arrow_forward
- The effect of expectations on the Phillips curve is considered a Phelps’s primary contribution. We can use a modified version of the Phillips curve to illustrate the point that Phelps was trying to make. The key difference is that the position of this new kind of curve changes when the inflation rate that people expect changes. When actual inflation changes and expected inflation stays the same, you move along the curve. But when expected inflation changes, the entire curve shifts. Since expectations shift this curve, economists call it an expectations-augmented Phillips curve. The following graph shows a Phillips curve for a hypothetical economy where the natural rate of unemployment is 8%. Initially, the expected inflation rate equals the actual inflation rate of 4%. Use the Phillips curve on the graph to answer the questions that follow. Consider a scenario where the inflation rate unexpectedly rises from 4% to 5%. Wages rise to match the new level of inflation. Workers believe that…arrow_forwardUsing what you know about the Phillips curve, determine whether the following quantities will increase, decrease, or remain the same. a. Unemployment in the short run after an increase in inflation: (Click to select) v b. Unemployment in the long run after an increase in inflation: (Click to select) v c. Inflation in the short run after a decrease in unemployment: (Click to select) d. Inflation in the long run after a decrease in unemployment: (Click to select) |(Click to select) decrease increase remain the samearrow_forwardDraw a Phillips curve graph here that shows a natural rate of unemployment of 4% and a current inflation rate of 2%. Make sure your lines and axes are labeled and your graph is complete! Use your knowledge of The Phillips Curve to answer the following questions. The threat of future inflation: makes people reluctant to loan money for long periods. makes people eager to loan money for long periods. has no effect on loaning money. increases the value of money paid back in the future. makes people reluctant to borrow money for long periods. According to the short-run Phillips Curve, there is a trade-off between: interest rates and inflation. the growth of the money supply and interest rates. unemployment and economic growth. inflation and unemployment. economic growth and interest rates. Which of the following is true of the long-run Phillips curve? it shows there is a trade-off between unemployment and inflation. it is positively sloped when the inflation rate exceeds…arrow_forward
- As with demand and supply analysis, changes in the economy can cause both shifts of and movements along the short-run Phillips curve. Which of the following would cause a shift of the short-run Phillips curve? Check all that apply. An increase in government spending A decrease in short-run aggregate supply An increase in the expected inflation ratearrow_forwardAnswer both parts. a) Suppose the central bank wants to permanently reduce the inflation rate. Using the model of the Phillips Curve, describe the steps the central bank must take, and the adjustment path of the economy. b) What information does the sacrifice ratio tell us about the consequences of reducing inflation?arrow_forwardWhat policies can government put in place in ensure a balance between unemployment and inflations knowing the Phillips Curve hypothesizes that there is a correlation between inflation and unemployment. When inflation is high, unemployment is low. Conversely, when inflation is low, unemployment levels increase.arrow_forward
- True or false? Phillips curve represents a structural relationship between unemployment and inflation that never changes.arrow_forwardExplain why the Phillips Curve is drawn to show a positive relationship between aggregate output and inflation, and why a move up the curve to an above equilibrium output level may be followed by an upward shift of the whole curve.arrow_forwardInflationary expectations are an important driver of the Phillips curve relationship. What are three different ways inflationary expectations might be modelled? Depict each graphically.arrow_forward
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