Inflation, Unemployment, and Federal Reserve Policy

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4 462 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 16.1 The Discovery of the Short-Run Trade-off between Unemployment and Inflation (pages ) 16.1 LEARNING OBJECTIVE Learning Objective 1 Describe the Phillips curve and the nature of the short-run trade-off between unemployment and inflation. Inflation and unemployment are two important macroeconomic problems that the Fed must deal with in the short run. Increases in aggregate demand often lead to higher inflation and lower unemployment, while decreases in aggregate demand often lead to lower inflation and higher unemployment. The inverse relationship between unemployment and inflation is often shown as a negatively sloped graph known as the Phillips curve. A Phillips curve is shown in textbook Figure 16.1, which is reproduced below: During years when inflation is relatively high, unemployment tends to be relatively low (point A). During years when inflation is relatively low, unemployment tends to be relatively high (point B). Helpful Study Hint Remember that even when the inflation rate is low, the price level is still rising. The price level is just rising at a slower rate when inflation is low than when inflation is high. We can use the AD-AS model to explain the Phillips curve. In textbook Figure 16-2 reproduced below, the economy in 2011 is in macroeconomic equilibrium at potential real GDP of \$14 trillion. The unemployment rate for the year is 5 percent and the inflation rate is 4 percent. In panel (a), point A at the intersection of AD and SRAS marks this initial equilibrium, which corresponds to point C on the Phillips curve in panel (b). Suppose that in 2012 there is strong growth in aggregate demand. In panel (a), macroeconomic equilibrium in 2012 occurs at real GDP of \$14.5 trillion. The price level rises from 100 to 104, so the inflation rate remains 4 percent. The new macroeconomic equilibrium corresponds to point C on the Phillips curve. If growth in aggregate demand is weak, however, macroeconomic equilibrium in panel (a) occurs at \$14.3 trillion, at point B. The unemployment rate rises from 5 percent to 6 percent. At

5 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 463 the same time, the price level rises only from 100 to 102, so the inflation rate has fallen from 4 percent in the previous year to 2 percent. The short-run equilibrium has moved down the Phillips curve from point C, with an unemployment rate of 5 percent and an inflation rate of 4 percent, to point B, with an unemployment rate of 6 percent and an inflation rate of 2 percent. A structural relationship depends on the basic behavior of consumers and firms and remains unchanged over long periods. In the 1960s, many economists and policymakers believed the Phillips curve was a structural relationship and represented a permanent trade-off between unemployment and inflation. Today, most economists believe the Phillips curve is not a structural relationship and they view the tradeoff between inflation and unemployment as temporary, rather than permanent. A short-run tradeoff exists only because workers and firms sometimes expect the inflation rate to be either higher or lower than it turns out to be. For example, if workers and firms both expect an inflation rate of 5 percent, and the actual inflation rate is 5 percent, wages will rise by 5 percent, so that the real cost of hiring workers will not change (for more on this point, see Short Answer Question 2 in the Self-Test section). Because the real cost of hiring workers is the same, the unemployment rate will not change. If, however, workers and firms believe that inflation will be 3 percent, and wages adjust based upon that belief, but actual inflation is 5 percent, then real wages will fall (for more on this point, see Short Answer Question 3 in the Self-Test section). Lower real wages will cause firms to hire more workers, and the unemployment rate will decrease. The short-run trade-off between inflation and unemployment comes from unanticipated inflation, not inflation itself. Because there is no trade-off between unemployment and inflation in the long run, economists believe that the long-run Phillips curve is vertical at the natural rate of unemployment. We saw in Chapter 12 that because the LRAS curve is vertical at potential GDP, in the long run, higher prices will not affect the level of real GDP or the level of employment. Similarly, the vertical long-run Phillips curve tells us that higher inflation rates will not lower unemployment in the long run. The level of unemployment that corresponds with potential real GDP is known as the natural rate of unemployment. The long-run Phillips curve is shown below in the graph on the right from textbook Figure 16-3 along with the LRAS curve in the graph on the left.

6 464 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy Helpful Study Hint Remember that at potential real GDP, although there will be no cyclical unemployment there will be frictional and structural unemployment, so the unemployment rate will not be zero. A long-run vertical Phillips curve indicates that there is no trade-off between inflation and unemployment in the long run. This conclusion is different from the experience of the 1950s and 1960s. There is a trade-off between unemployment and inflation in the short run because workers often expect inflation to be higher or lower than it turns out to be. Differences between the actual inflation rate and the expected inflation rate can cause the unemployment rate to be higher or lower than the natural rate (and real GDP to be higher or lower than potential real GDP). Textbook Table 16-1 reproduced below shows how differences between actual and expected inflation cause differences between actual and expected real wages.

7 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 465 Milton Friedman argued that inflation will increase employment only if inflation is unexpected; that is, if the actual inflation rate is greater than the expected inflation rate. These higher levels of employment are temporary and will disappear when the inaccurate expectations are changed. This short-run trade-off is shown in textbook Table 16-2 below: Helpful Study Hint Understanding the effects of inflation can be difficult especially if you re not an economist. Read Making the Connection: Do Workers Understand Inflation? A higher inflation rate can lead to lower unemployment if both workers and firms mistakenly expect inflation to be lower than it turns out to be. Firms generally have more accurate information about inflation than do workers. Workers often fail to realize that wages will typically rise as prices rise LEARNING OBJECTIVE 16.2 The Short-Run and Long-Run Phillips Curves (pages ) Learning Objective 2 Explain the relationship between the short-run and long-run Phillips curves. The short-run Phillips curve is drawn with the expected rate of inflation held constant. When the expected inflation rate and the actual inflation rate are equal, unemployment will be at the natural rate of unemployment. Textbook Figure 16.4 shows an example of a short-run and a long-run Phillips curve.

8 466 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy In this graph, the short-run and long-run Phillips curves intersect at an inflation rate of 1.5 percent. At the point where the short-run and long-run Phillips curves intersect, we know that the expected inflation rate is equal to the actual inflation rate. Changes in expectations cause shifts in the short-run Phillips curve. Increases in expected inflation cause upward shifts in the short-run Phillips curve, as seen in Figure 16-5 below, which illustrates the impact of the expected inflation rate rising from 1.5 percent to 4.5 percent: Increases in inflation will cause unemployment to fall, as long as expected inflation does not change. This is a movement along the short-run Phillips curve. When workers and firms begin to adjust their expectations to the actual inflation rate being higher than they had expected, the short-run Phillips curve will shift up to reflect the higher expected inflation rate. Therefore, there is a short-run Phillips curve for

9 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 467 every expected inflation rate. Each short-run Phillips curve intersects the long-run Phillips curve at the expected inflation rate. This is shown in textbook Figure 16-6 below: Helpful Study Hint The expected inflation rate is held constant along any single short-run Phillips curve. When expected inflation changes, the short-run Phillips curve shifts. The short-run and long-run Phillips curves have important implications for the conduct of monetary policy. If the Fed tries to use an expansionary monetary policy to lower unemployment by increasing inflation, this can be successful only in the short run. As workers and firms begin to expect higher inflation, the short-run Phillips curve will shift and unemployment will eventually return to the natural rate of unemployment. Thus to keep unemployment below the natural rate of unemployment, the actual inflation rate must constantly increase to stay higher than the upward adjustment of the expected inflation rate. This acceleration of inflation is seen in the following Figure 16-7.

10 468 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy At point C, the current inflation rate will not change because expected inflation equals actual inflation. At point A, the inflation rate will increase because actual inflation is greater than expected inflation and the short-run Phillips curve shifts up. At point B, the inflation rate will decrease because actual inflation is less than expected inflation and the short-run Phillips curve shifts down. The unchanging unemployment rate along the long-run Phillips curve is called the nonaccelerating inflation rate of unemployment (NAIRU). Helpful Study Hint In the long run, expansionary and contractionary monetary policies will only change the inflation rate. Monetary policy cannot affect the level of real GDP or the unemployment rate in the long run. The natural rate of unemployment will change over time as a result of changes in demographics, changes in labor market institutions, and the effects of high past levels of unemployment. Helpful Study Hint Read Making the Connection: Does the Natural Rate of Unemployment Ever Change? At the natural rate of unemployment, only structural and frictional unemployment remain. The amount of frictional and structural unemployment can change over time, however, particularly as demographic changes occur. To give two examples of demographic changes resulting in changes in the natural rate of unemployment: As baby boom workers first hit the labor market in large numbers during the 1970s and 1980s, because these workers initially had lower job skills, the natural rate of unemployment increased.

11 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 469 As the number of young unskilled workers declined in the 1990s, the natural rate fell Expectations of the Inflation Rate and Monetary Policy (pages ) 16.3 LEARNING OBJECTIVE Learning Objective 3 Discuss how expectations of the inflation rate affect monetary policy. How long the economy can remain at a point that is not on the long-run Phillips curve depends on how long it takes workers and firms to adjust their expectations of inflation to the actual inflation rate. People are said to have adaptive expectations if they assume that future rates of inflation will follow the pattern of rates of inflation in the recent past. Experience indicates that how fast workers adjust their expectations depends upon how high the inflation rate is. There are three possibilities: Low inflation. When inflation is low, workers and firms tend to ignore it. Moderate but stable inflation. With stable inflation, individuals and firms tend to expect inflation to be what it was last period. This is called adaptive expectations. High and unstable inflation. With higher inflation rates and less stable inflation rates, workers attempt to estimate inflation rates more accurately. Rational expectations says that workers will use all available information to try to accurately forecast the inflation rate. Lucas and Sargent argued that if workers and firms have rational expectations and if they expect an expansionary monetary policy will raise the inflation rate, they will use this information in their forecasts of the inflation rate. Consequently, the increase in the inflation rate would not be unanticipated, and the expansionary policy would not cause a decline in unemployment, even in the short run. If Lucas and Sargent are correct, an expansionary policy will cause only a movement along the long-run Phillips curve. This is shown in the following textbook Figure In the graph, if workers and firms have adaptive expectations, and expansionary monetary policy will move the economy up the short-run Phillips curve and the unemployment rate will fall. But if workers and firms have rational expectations, the inflation rate will increase, while the unemployment rate will not change.

12 470 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy The logic of Lucas and Sargent s argument is that the Phillips curve is vertical, even in the short run. With a vertical short-run Phillips curve, expansionary monetary policy cannot reduce the unemployment rate below the natural rate of unemployment. Many economists do not agree that the Phillips curve is vertical in the short run either because they do not believe that workers and firms have rational expectations or because they believe that wages and prices adjust only slowly to changes in aggregate demand. Other economists believe that workers and firms have rational expectations, but argue that fluctuations in unemployment are due to changes in real factors rather than mistakes about the actual inflation rate. These real factors are often referred to as technology shocks, which make it possible to produce more or less output with the same level of employment. Models that focus on real rather than monetary explanations of fluctuations in real GDP and employment are referred to as real business cycle models. Some economists are skeptical of these models because they explain recessions as caused by negative technology shocks, which are uncommon (apart from oil price shocks). Extra Solved Problem 16-3 Chapter 16 of the textbook includes two Solved Problems. Here is an extra Solved Problem to help you build your skills solving economic problems: Expectation Errors and Unemployment Supports Learning Objective 3: Discuss how expectations of the inflation rate affect monetary policy. Suppose that workers and firms expect that the inflation rate is going to increase from 3 percent to 5 percent. Suppose, though, the inflation rate actually rises only to 4 percent. What would you predict would be the effect on the unemployment rate of the actual inflation rate being less than the expected inflation rate?

13 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 471 SOLVING THE PROBLEM Step 1: Step 2: Review the chapter material. This problem is about expectations of inflation and monetary policy, so you may want to review the section Expectations of the Inflation Rate and Monetary Policy, which begins on page 564 of the textbook. Use a graph to show the effect of workers and firms expecting the inflation rate to increase from 3 percent to 5 percent. The increase in the expected inflation rate will shift the short-run Phillips curve upward. If the inflation rate had increased as workers and firms expected, macroeconomic equilibrium would move from point A to point B and the unemployment rate would not change. Step 3: Draw a second graph showing the effect of the actual inflation rate being less than the expected inflation rate. If, however, inflation did not increase as much as workers and firms expected, the real wage is likely to have increased as nominal wages increased faster than the price level. Higher real wages will result in a higher unemployment rate. So, the new short-run macroeconomic equilibrium will be at point C in the graph, rather than point B. In the short-run macroeconomic equilibrium at point C the inflation rate is lower, but the unemployment rate is higher, than at point B.

14 472 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 16.4 How the Fed Fights Inflation (pages ) 16.4 LEARNING OBJECTIVE Learning Objective 4 Use a Phillips curve graph to show how the Federal Reserve can permanently lower the inflation rate. The high inflation rates of the late 1960s and early 1970s was in part due to the Fed s attempts to keep the unemployment rate below the natural rate. A supply shock in the 1970s due to higher oil prices made inflation worse. A supply shock will cause the short-run Phillips curve to shift. A supply shock will shift the SRAS to the left. This shift will lower real GDP and increase the price level. On a Phillips curve graph, the Phillips curve will shift up to indicate that both inflation and unemployment have increased. The effect of a supply shock on short-run aggregate supply and the Phillips curve is shown in the following textbook Figure 16-9.

15 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 473 If the Fed uses contractionary monetary policy to fight the inflation resulting from a supply shock, it can lower the inflation rate, but only at the cost of higher unemployment in the short run. If the Fed decides to use expansionary monetary policy to fight the unemployment increases, this will cause more inflation as the economy moves up the short-run Phillips curve. When confronted with this situation in the 1970s, the Fed chose to fight high unemployment with an expansionary monetary policy, even though this decision worsened the inflation rate. Paul Volcker was appointed Fed chairman in August Under Volcker, the Fed was able to reduce inflation from 10 percent to 5 percent. This disinflation or significant reduction in the inflation rate is shown in textbook Figure below, where each dot represents the inflation and unemployment rates in a particular year, beginning with 1979:

16 474 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy Alan Greenspan, who followed Volcker as Fed Chairman in 1987, was able to keep the inflation rate low. Greenspan de-emphasized the money supply as a policy target in favor of the federal funds rate. The Federal Open Market Committee has continued to target the federal funds rate in the years since. The fed has also been successful at increasing its credibility by publicly announcing its target for the federal funds rate and by demonstrating a strong commitment to fighting inflation. To increase Fed credibility, some economists have suggested that the Fed follow a rules strategy, where the Fed announces a rule for monetary policy and follows it. Such a rule might be that the money supply should grow at some fixed percentage each year, regardless of economic conditions. Economists who oppose rules support discretionary monetary policy, a policy approach in which the Fed adjusts monetary policy as it sees fit, based on current economic conditions. A middle course is a rule based on economic conditions, such as the Taylor rule, where monetary policy is based on inflation gaps and output gaps. Rules add to the Fed s credibility by removing flexibility, but rules may not be appropriate in all settings. Some economists suggest that the Fed be more transparent in its inflation goals and announce inflation targets. The Bank of Japan faced credibility problems through the 1990s because the country s economy experienced falling prices (or deflation). By 1999, the bank lowered its target interest rate (equivalent to the federal funds rate) to zero. Other interest rates remained high as the Japanese public doubted the willingness of the Bank of Japan to continue expansionary monetary policy. The Bank was not willing to state an explicit inflation target, which might have caused workers to increase the rate of inflation they expected and caused the deflation to end. Extra Solved Problem 16-4 Chapter 16 of the textbook includes two Solved Problems. Here is an extra Solved Problem to help you build your skills solving economic problems: Stagflation and the Short-Run Phillips Curve Learning Objective 4 Use a Phillips curve graph to show how the Federal Reserve can permanently lower the inflation rate. Stagflation is the simultaneous increase in inflation and unemployment. Given the negative slope of the short-run Phillips curve, how is it possible for there to be simultaneous increases in inflation and unemployment? SOLVING THE PROBLEM Step 1: Step 2: Review the chapter material. This problem is about supply shocks, so you may want to review the section The Effect of a Supply Shock on the Phillips Curve, which begins on page 567 of the textbook. Illustrate the short-run trade-off between inflation and unemployment. The short-run Phillips curve shows the short-run trade-off between inflation and unemployment. Along any short-run Philips curve, an increase in inflation will be accompanied by a decrease in unemployment. The graph illustrates this point by showing that a movement from point A to point B results in lower unemployment and higher inflation.

17 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 475 Step 3: Illustrate the effect of an adverse supply shock. Periods of stagflation are often caused by adverse supply shocks, such as a rapid increase in oil prices. We saw in Chapter 12 that a supply shock causes the short-run aggregate supply curve (SRAS) to shift to the left. In this chapter, we learned that an adverse supply shock that shifts the SRAS curve to the left will also shift the short-run Phillips curve upward. We show the shift in the short-run Phillips curve caused by a supply shock in the graph below:

19 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 477 Self-Test (Answers are provided at the end of the Self-Test.) Multiple-Choice Questions 1. A trade-off between inflation and unemployment exists a. only in the short run. b. only in the long run. c. in both the short run and the long run. d. in neither the short run nor the long run. 2. When aggregate demand increases, unemployment will usually and inflation will. a. rise; rise b. rise; fall c. fall; fall d. fall; rise 3. A Phillips curve is a. a curve showing the relationship between the inflation rate and the money supply. b. a curve showing the short-run relationship between the unemployment rate and the inflation rate. c. a curve showing the relationship between the inflation rate and the exchange rate. d. a curve showing the relationship between the size of the federal budget deficit and the size of the federal debt. 4. The long-run Phillips curve a. has a negative slope. b. is vertical at the natural rate of unemployment. c. shifts to the right with an increase in inflation. d. shifts to the right as cyclical unemployment decreases. 5. A point near the top left segment of the short-run Phillips curve represents a. a combination of high unemployment and high inflation. b. a combination of high unemployment and low inflation. c. a combination of low unemployment and low inflation. d. a combination of low unemployment and high inflation. 6. Slow growth in aggregate demand leads to a. higher unemployment and higher inflation. b. higher unemployment and lower inflation. c. lower unemployment and lower inflation. d. lower unemployment and higher inflation.

20 478 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 7. Which of the following statements concerning the Phillips curve is correct? a. Most economists in the 1960s and 1970s believed the Phillips curve was vertical in the long run. b. Many economists and policymakers in the 1960s and 1970s viewed the Phillips curve as a structural relationship. c. Economists have always recognized that there is a permanent trade-off between inflation and unemployment. d. The only economist who ever viewed the Phillips curve as a structural relationship was A.W. Phillips. 8. If the long-run aggregate supply curve is vertical, then a. the Phillips curve must be horizontal in the short run. b. the Phillips curve must be vertical in the short run. c. the Phillips curve cannot be downward sloping in the long run. d. the Phillips curve must be downward sloping in the long run. 9. Which of the following statements is correct? a. In the long run, a higher or lower price level has no effect on real GDP. b. In the long run, a higher or lower inflation rate has no effect on the unemployment rate. c. In the long run, the Phillips curve is a vertical line at the natural rate of unemployment. d. all of the above 10. The natural rate of unemployment is a. the prevailing rate of unemployment in the economy in the short run. b. the unemployment rate that results when the economy produces the potential level of real GDP. c. the rate of unemployment when the inflation rate equals zero. d. the lowest unemployment rate on the short-run Phillips curve. 11. According to Milton Friedman, differences between the actual and expected inflation rates could lead the actual unemployment rate to a. rise above or fall below the natural rate. b. rise above the natural rate, but not fall below it. c. fall below the natural rate, but not rise above it. d. remain equal to the natural rate for a long time. 12. If expected inflation is higher than actual inflation, actual real wages in the economy will turn out to be than expected real wages; consequently, firms will hire workers than they had planned. a. higher; more b. higher; fewer c. lower; more d. lower; fewer 13. An increase in expected inflation will a. shift the short run Phillips curve up. b. shift the long run Phillips curve to the right. c. shift the short run Phillips curve down. d. shift the short run Phillips curve up and the long run Phillips curve to the right.

21 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy Which change in the inflation rate is more likely to affect the trade-off between inflation and unemployment? a. a change in the inflation rate that is expected b. a change in the inflation rate that is unexpected c. a change in the inflation rate that is exactly equal to the percentage change in the unemployment rate d. a change in the inflation rate when the unemployment rate equals the natural rate of unemployment 15. If the annual inflation rate is 3 percent, which of the following will increase real wages? a. an increase in nominal wages of less than 3 percent b. an increase in nominal wages of more than 3 percent c. an increase in nominal wages equal to 3 percent d. a decrease in nominal wages of more than 3 percent 16. If the wage rate is \$15.00 and the price level is 125, then the real wage rate is a. \$ b. \$ c. \$1.20. d. \$ If banks need to receive a 4 percent real interest rate on home mortgage loans, what nominal interest rate must they charge if they expect the inflation rate to be 1.5 percent? a. 2.5% b. 5.5% c. 1.5% d. 4% 18. If workers and firms revise their expectations of inflation upward a. there will be a movement downward along the short-run Phillips curve. b. there will be a movement upward along the short-run Phillips curve. c. the short-run Phillips curve will shift up. d. the short-run Phillips curve will shift down. 19. There is a different short-run Phillips curve for every level of the inflation rate. The inflation rate at which the short-run Phillips curve intersects the long-run Phillips curve equals the inflation rate. a. actual; expected b. expected; actual c. actual; actual d. expected; expected 20. If the unemployment rate is below the natural rate, the inflation rate tends to and, eventually, the short-run Phillips curve will shift. a. increase; up b. increase; down c. decrease; up d. decrease; down

22 480 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 21. The concept of a nonaccelerating inflation rate of unemployment (NAIRU) helps us to understand why a. in the long run, the Federal Reserve can affect both the inflation rate and the unemployment rate. b. in the long run, the Federal Reserve cannot affect either the inflation rate or the unemployment rate. c. in the long run, the Federal Reserve can affect the unemployment rate but not the inflation rate. d. in the long run, the Federal Reserve can affect the inflation rate but not the unemployment rate. 22. There are three types of unemployment. Changes in two of the types will cause a change in the natural rate of unemployment. Which two? a. frictional and cyclical unemployment b. structural and cyclical unemployment c. frictional and structural unemployment d. seasonal and cyclical unemployment 23. When do workers and firms tend to ignore inflation? a. when inflation is low b. when inflation is moderate c. when inflation is high d. never 24. If people assume that future rates of inflation will be about the same as past rates of inflation, they are said to have a. naïve expectations. b. adaptive expectations. c. rational expectations. d. consistent expectations. 25. Expectations formed by using all available information about an economic variable are called a. naïve expectations. b. adaptive expectations. c. rational expectations. d. consistent expectations. 26. If workers and firms have rational expectations and wages and prices adjust quickly, an expansionary monetary policy will a. increase the inflation rate, but lower the unemployment rate. b. increase the inflation rate, but not change the unemployment rate. c. increase both the inflation and unemployment rates. d. change neither the inflation nor the unemployment rates. 27. If workers and firms have adaptive expectations or if they ignore inflation, what is the effect of an expansionary monetary policy? a. a move upward along the short-run Phillips curve b. a move downward along the short-run Phillips curve c. a move upward along the long-run Phillips curve d. a move downward along the long-run Phillips curve

23 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy In a real business cycle model, which of the following best explains an increase in real GDP above the full-employment level? a. adaptive expectations b. an increase in the money supply c. a positive technology shock d. all of the above 29. The monetary explanations of Lucas and Sargent and the real business cycle models are sometimes grouped together under the label of a. monetarism. b. the new classical macroeconomics. c. the new Keynesian macroeconomics. d. the new growth theory. 30. Like the classical economists, the new classical macroeconomists believe that a. the economy cannot correct itself, but requires government intervention in order to remain stable. b. the short-run Phillips curve is horizontal. c. the economy will normally be at its potential level. d. all of the above 31. A supply shock will a. shift the short-run Phillips curve up. b. shift the long-run Phillips curve to the right. c. shift the long-run Phillips curve down. d. shift the short-run Phillips curve up and the long-run Phillips curve to the right. 32. A negative supply shock, such as the OPEC oil price increases of the early 1970s, can be illustrated by a(n) shift of the short-run aggregate supply curve and a shift of the short-run Phillips curve. a. leftward; upward b. leftward; downward c. rightward; upward d. rightward; downward 33. How can the Fed fight a combination of rising unemployment and rising inflation? a. By applying expansionary monetary policy, the Fed can solve both problems simultaneously. b. By applying contractionary monetary policy, the Fed can solve both problems simultaneously. c. Not easily. Neither expansionary nor contractionary monetary policy can solve both problems simultaneously. d. By resorting to the use of fiscal policy instead of monetary policy. 34. In August 1979, President Jimmy Carter appointed Paul Volcker as Chairman of the Board of Governors of the Federal Reserve System. Which of the following statements is true about the state of the economy or the monetary policy chosen by the new Chairman? a. High inflation rates were inflicting significant damage on the economy. b. Paul Volcker chose to reduce the growth rate of the money supply. c. Paul Volcker adopted contractionary monetary policy that caused interest rates to rise and aggregate demand to decline. d. all of the above

24 482 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 35. After Fed Chairman Paul Volcker decided to fight inflation in 1979, the Fed s monetary policy resulted in a. lower interest rates. b. a lower unemployment rate. c. lower expectations of future inflation by firms and workers. d. all of the above 36. After Fed Chairman Paul Volcker began fighting inflation in 1979, workers and firms eventually their expectations of future inflation; consequently, the short-run Phillips curve shifted. a. raised; up b. raised; down c. lowered; up d. lowered; down 37. A significant reduction in the inflation rate is called a. deflation. b. disinflation. c. stagflation. d. cost-push inflation. 38. Paul Volcker s monetary policy caused the Phillips curve to shift down, but only after several years of high unemployment. This means that, apparently, workers and firms had a. rational expectations, that is, they used all available information to form their expectations of future inflation. b. adaptive expectations, that is, they changed their expectations of future inflation after the current inflation rate had fallen. c. naïve expectations, that is, they expected inflation today to be exactly what it was yesterday. d. no expectations at all of future inflation. 39. Disinflation refers to a decline in the, while deflation refers to a decline in the. a. inflation rate; price level b. price level; inflation rate c. market prices; economy-wide prices d. money supply; price level 40. In order to drive down the inflation rate, the unemployment rate will have to rise more if the short-run Phillips curve is a. flatter. b. steeper. c. vertical. d. upward sloping. 41. During the 1980s and 1990s, the relationship between growth in the money supply and inflation a. broke down, and the Fed announced that it would no longer set targets for M1 and M2. b. strengthened significantly, renewing the Fed s confidence in using monetary targets for M1 and M2. c. involved higher inflation rates leading to higher rates of growth of the money supply. d. caused inflation to soar to its highest levels since World War II.

25 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy A rules strategy refers to a. the central bank s rules for overseeing the banking system. b. the central bank s following specific and publicly announced guidelines for policy. c. the Fed s policy of keeping secret the target for the federal funds rate. d. all of the above 43. A discretion strategy consists of a. adopting the monetarist s monetary growth rule. b. adjusting monetary policy as the central bank sees fit to achieve its policy goals, such as price stability and high employment. c. following specific and publicly announced guidelines for policy. d. maintaining a particular monetary policy goal, regardless of the state of the economy. 44. Which of the following is a monetary policy rule where the Fed sets a target for the federal funds rate according to an equation that includes the inflation rate, the equilibrium real federal funds rate, the inflation gap, and the output gap? a. the growth rule b. the Taylor rule c. the Friedman rule d. the Bernanke rule 45. Which of the following is a problem with deflation? a. Deflation causes real interest rates to fall. b. Deflation causes the value of debts to increase. c. Deflation can cause consumers to consume now rather than postpone purchases. d. all of the above Short Answer Questions 1. Why does the short-run Phillips curve have a negative slope?

26 484 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy 2. In 2006, average hourly earning in manufacturing was \$16.80 and the price level (measured by the GDP deflator) was Suppose that in 2007, the inflation rate was 3 percent. How much would average hourly earnings needed to have changed to keep the real wage constant? 3. Suppose that workers and firms both expect prices to increase by 3 percent. The current average wage rate is \$ The price level is Show what will happen to the real wage if the actual inflation rate is 5 percent but expected inflation remains at 3 percent. 4. Why does a vertical long-run aggregate supply curve imply a vertical long-run Phillips curve?

27 CHAPTER 16 (28) Inflation, Unemployment, and Federal Reserve Policy If the Fed tries to reduce the inflation rate using contractionary monetary policy, the impact the policy will have on the unemployment rate depends on how expectations of inflation are formed. Explain. 6. Explain the different effects expansionary monetary policy will have on unemployment with adaptive expectations compared to rational expectations. True/False Questions T F 1. A trade-off between inflation and unemployment means that lower unemployment rates imply higher inflation rates. T F 2. Milton Friedman was the first economist to draw a Phillips curve. T F 3. The short-run Phillips curve has a positive slope. T F 4. The long-run Phillips curve has a negative slope. T F 5. The natural rate of unemployment is zero. T F 6. If nominal wages increase at the same rate as inflation, the real wage will not change. T F 7. If prices rise more than expected, the real wage rate will also rise. T F 8. Unanticipated inflation is the difference between the actual and expected inflation rates. T F 9. An increase in the expected inflation rate will shift the short-run Phillips curve up. T F 10. At points where the short-run Phillips curve crosses the long-run Phillips curve, the public s expectations of inflation are accurate. T F 11. In the long run, the Federal Reserve system can affect the inflation rate but not the unemployment rate. T F 12. The natural rate of unemployment is fixed and does not change. T F 13. If expectations of inflation are rational, then they are based only on past inflation rates. T F 14. A supply shock will shift the SRAS curve to the left and the short-run Phillips curve up. T F 15. Paul Volcker s contractionary monetary policy reduced inflation without changing the unemployment rate.

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