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Question: Explain how each of the following developments


Explain how each of the following developments would affect the supply of money, the demand for money, and the interest rate. Illustrate your answers with diagrams.
a. The Fed’s bond traders buy bonds in open-market operations.
b. An increase in credit-card availability reduces the amount of cash people want to hold.
c. The Federal Reserve reduces banks’ reserve requirements.
d. Households decide to hold more money to use for holiday shopping.
e. A wave of optimism boosts business investment and expands aggregate demand.



> Explain why monetary and fiscal policies work with a lag. Why do these lags matter in the choice between active and passive policy?

> What causes the lags in the effect of monetary and fiscal policies on aggregate demand? What are the implications of these lags for the debate over active versus passive policy?

> The chapter suggests that the economy, like the human body, has “natural restorative powers.” a. Illustrate the short-run effect of a fall in aggregate demand using an aggregate-demand/aggregate- supply diagram. What happens to total output, income, and

> Approximately how long does it take a change in monetary policy to influence aggregate demand? a. 1 month b. 6 months c. 2 years d. 5 years

> 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.

> Draw the short-run trade-off between inflation and unemployment. How might the Fed move the economy from one point on this curve to another?

> How does a union in the auto industry affect wages and employment at General Motors and Ford? How does it affect wages and employment in other industries?

> How is the unemployment rate measured? How might the unemployment rate overstate the amount of joblessness? How might it understate the amount of joblessness?

> Suppose the natural rate of unemployment is 6 percent. On one graph, draw two Phillips curves that describe the four situations listed here. Label the point that shows the position of the economy in each case. a. Actual inflation is 5 percent, and expect

> The population of Ectenia is 100 people: 40 work full-time, 20 work half-time but would prefer to work full-time, 10 are looking for a job, 10 would like to work but are so discouraged they have given up look- ing, 10 are not interested in working becaus

> The interest rate is 7 percent. What is the present value of $150 to be received in 10 years?

> The interest rate is 7 percent. Use the concept of present value to compare $200 to be received in 10 years and $300 to be received in 20 years.

> According to an old myth, Native Americans sold the island of Manhattan about 400 years ago for $24. If they had invested this amount at an interest rate of 7 percent per year, how much, approximately, would they have today?

> When the Federal Reserve increases the money supply and expands aggregate demand, it moves the economy along the Phillips curve to a point with ________ inflation and ________ unemployment. a. higher, higher b. higher, lower c. lower, higher d. lower, lo

> If the interest rate is zero, then $100 to be paid in 10 years has a present value that is a. less than $100. b. exactly $100. c. more than $100. d. indeterminate.

> What is a share of stock? What is a bond? Explain their differences and similarities.

> What is the role of the financial system? Name and describe two markets that are part of the financial system in the U.S. economy. Name and describe two financial intermediaries.

> Are minimum-wage laws a better explanation for structural unemployment among teenagers or among college graduates? Why?

> For each of the following pairs, which bond would you expect to pay a higher interest rate? Explain. a. a bond of the U.S. government or a bond of an Eastern European government b. a bond that repays the principal in year 2020 or a bond that repays the p

> The economy of Elmendyn contains 2,000 $1 bills. a. If people hold all money as currency, what is the quantity of money? b. If people hold all money as demand deposits and banks maintain 100 percent reserves, what is the quantity of money? c. If people h

> Assume that the reserve requirement is 20 percent. Also assume that banks do not hold excess reserves and there is no cash held by the public. The Fed decides that it wants to expand the money supply by $40 million. a. If the Fed is using open-market ope

> Consider an economy described by the following equations: Y = C + YY I + II G C = 100 + 0.75(Y – T) I = 500 - 50r G = 125 T = 100 TT where Y is GDP, C is consumption, I is investment, G is government purchases, T is taxes, and r is the interest rate.

> Suppose that Congress passes a law requiring employers to provide employees some benefit (such as healthcare) that raises the cost of an employee by $4 per hour. a. What effect does this employer mandate have on the demand for labor? (In answering this

> What adverse effect might be caused by tax incentives to increase saving?

> In which of the following circumstances is expansionary fiscal policy more likely to lead to a short-run increase in investment? Explain. a. When the investment accelerator is large or when it is small? b. When the interest sensitivity of investment is l

> Use the theory of liquidity preference to explain how a decrease in the money supply affects the equilibrium interest rate. How does this change in monetary policy affect the aggregate-demand curve?

> Suppose firms become very optimistic about future business conditions and invest heavily in new capital equipment. a. Draw an aggregate-demand/aggregate-supply diagram to show the short-run effect of this optimism on the economy. Label the new levels of

> Why can’t the Fed control the money supply perfectly?

> How would the following transactions affect U.S. exports, imports, and net exports? a. An American art professor spends the summer touring museums in Europe. b. Students in Paris flock to see the latest movie from Hollywood. c. Your uncle buys a new Volv

> Assume that the banking system has total reserves of $100 billion. Assume also that required reserves are 10 percent of checking deposits and that banks hold no excess reserves and households hold no currency. a. What is the money multiplier? What is the

> This chapter explains that investment can be increased both by reducing taxes on private saving and by reducing the government budget deficit. a. Why is it difficult to implement both of these policies at the same time? b. What would you need to know abo

> Some income from capital is taxed twice. Explain.

> Suppose government spending increases. Would the effect on aggregate demand be larger if the Federal Reserve held the money supply constant in response or if the Fed were committed to maintaining a fixed interest rate? Explain.

> For each of the following events, explain the short-run and long-run effects on output and the price level, assuming policymakers take no action. a. The stock market declines sharply, reducing consumers’ wealth. b. The federal government increases spendi

> Suppose that Americans decide to increase their saving. a. If the elasticity of U.S. net capital outflow with respect to the real interest rate is very high, will this increase in private saving have a large or small effect on U.S. domestic investment? b

> Purchasing-power parity holds between the nations of Ectenia and Wiknam, where the only commodity is Spam. a. In 2015, a can of Spam costs 4 dollars in Ectenia and 24 pesos in Wiknam. What is the exchange rate between Ectenian dollars and Wiknamian pesos

> Explain whether the following statements are true, false, or uncertain a. “Inflation hurts borrowers and helps lenders, because borrowers must pay a higher rate of interest.” b. “If prices change in a way that leaves the overall price level unchanged, th

> What is the theory of liquidity preference? How does it help explain the downward slope of the aggregate-demand curve?

> What are reserve requirements? What happens to the money supply when the Fed raises reserve requirements?

> Between January 2010 and January 2016, U.S. employment increased by 12.1 million workers, but the number of unemployed workers declined by only 7.3 million. How are these numbers consistent with each other? Why might one expect a reduction in the number

> Suppose that the reserve requirement for checking deposits is 10 percent and that banks do not hold any excess reserves. a. If the Fed sells $1 million of government bonds, what is the effect on the economy’s reserves and money supply? b. Now suppose the

> Structural unemployment is sometimes said to result from a mismatch between the job skills that employers want and the job skills that workers have. To explore this idea, consider an economy with two industries: auto manufacturing and aircraft manufactur

> Jamal has a utility function U = W 1/2, where W is his wealth in millions of dollars and U is the utility he obtains from that wealth. In the final stage of a game show, the host offers Jamal a choice between (A) $4 million for sure, or (B) a gamble that

> Suppose the government borrows $20 billion more next year than this year. a. Use a supply-and-demand diagram to analyze this policy. Does the interest rate rise or fall? b. What happens to investment? To private saving? To public saving? To national savi

> Some economists say that the government can continue running a budget deficit forever. How is that possible?

> What is the fundamental trade-off that society faces if it chooses to save more? How might the government increase national saving?

> 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. a. Starting from a long-run equilibri

> An economy is operating with output that is $400 billion below its natural level, and fiscal policymakers want to close this recessionary gap. The central bank agrees to adjust the money supply to hold the interest rate constant, so there is no crowding

> Explain whether each of the following events shifts the short-run aggregate-supply curve, the aggregate- demand curve, both, or neither. For each event that does shift a curve, draw a diagram to illustrate the effect on the economy. a. Households decide

> In a competitive labor market, when the government increases the minimum wage, the result is a(n) __________ in the quantity of labor supplied and a(n) __________ in the quantity of labor demanded. a. increase, increase b. increase, decrease c. decrease,

> Suppose that real interest rates increase across Europe. Explain how this development will affect U.S. net capital outflow. Then explain how it will affect U.S. net exports by using a formula from the chapter and by drawing a diagram. What will happen to

> A case study in the chapter analyzed purchasing-power parity for several countries using the price of Big Macs. Here are data for a few more countries: a. For each country, compute the predicted exchange rate of the local currency per U.S. dollar. (Reca

> Suppose that people expect inflation to equal 3 percent, but in fact, prices rise by 5 percent. Describe how this unexpectedly high inflation rate would help or hurt the following: a. the government b. a homeowner with a fixed-rate mortgage c. a union wo

> What is the discount rate? What happens to the money supply when the Fed raises the discount rate?

> Assume that the reserve requirement is 5 percent. All other things being equal, will the money supply expand more if the Fed buys $2,000 worth of bonds or if someone deposits in a bank $2,000 that she had been hiding in her cookie jar? If one creates mor

> Consider an economy with two labor markets—one for manufacturing workers and one for service workers. Suppose initially that neither is unionized. a. If manufacturing workers formed a union, what impact would you predict on the wages and employment in ma

> When company executives buy and sell stock based on private information they obtain as part of their jobs, they are engaged in insider trading. a. Give an example of inside information that might be useful for buying or selling stock. b. Those who trade

> Three students have each saved $1,000. Each has an investment opportunity in which he or she can invest up to $2,000. Here are the rates of return on the students’ investment projects: Harry 5 percent Ron 8 percent Hermione 20 percent a. If borrowing and

> What are two situations in which most economists view a budget deficit as justifiable?

> Explain how each of the following policies redistributes income across generations. Is the redistribution from young to old or from old to young? a. an increase in the budget deficit b. more generous subsidies for education loans c. greater investments i

> Comparing stocks and government bonds, which type of asset has more risk? Which pays a higher average return?

> If the central bank wants to expand aggregate demand, it can ________ the money supply, which would ________ the interest rate. a. increase, increase b. increase, decrease c. decrease, increase d. decrease, decrease

> Suppose the Federal Reserve announced that it would pursue contractionary monetary policy to reduce the inflation rate. Would the following conditions make the ensuing recession more or less severe? Explain. a. Wage contracts have short durations. b. The

> Suppose economists observe that an increase in government spending of $10 billion raises the total demand for goods and services by $30 billion. a. If these economists ignore the possibility of crowding out, what would they estimate the marginal propensi

> What might shift the aggregate-supply curve to the left? Use the model of aggregate demand and aggregate supply to trace through the short-run and long-run effects of such a shift on output and the price level.

> The economy begins in long-run equilibrium. Then one day, the president appoints a new chair of the Federal Reserve. This new chairman is well known for her view that inflation is not a major problem for an economy. a. How would this news affect the pric

> Suppose the United States decides to subsidize the export of U.S. agricultural products, but it does not increase taxes or decrease any other government spending to offset this expenditure. Using a three- panel diagram, show what happens to national savi

> A can of soda costs $1.25 in the United States and 25 pesos in Mexico. What is the peso–dollar exchange rate (measured in pesos per dollar) if purchasing- power parity holds? If a monetary expansion caused all prices in Mexico to double, so that soda ros

> If inflation is less than expected, who benefits— debtors or creditors? Explain.

> Recall that money serves three functions in the economy. What are those functions? How does inflation affect the ability of money to serve each of these functions?

> Bank A has a leverage ratio of 10, while Bank B has a leverage ratio of 20. Similar losses on bank loans at the two banks cause the value of their assets to fall by 7 percent. Which bank shows a larger change in bank capital? Does either bank remain solv

> Your bank account pays an interest rate of 8 percent. You are considering buying a share of stock in XYZ Corporation for $110. After 1, 2, and 3 years, it will pay a dividend of $5. You expect to sell the stock after 3 years for $120. Is XYZ a good inves

> The Fed conducts a $10 million open-market purchase of government bonds. If the required reserve ratio is 10 percent, what are the largest and smallest possible increases in the money supply that could result? Explain.

> List and discuss three key facts about economic fluctuations.

> Explain four ways in which a firm might increase its profits by raising the wages it pays.

> Using a diagram of the labor market, show the effect of an increase in the minimum wage on the wage paid to workers, the number of workers supplied, the number of workers demanded, and the amount of unemployment.

> Explain the view of those economists who are skeptical of the efficient markets hypothesis.

> A company faces two kinds of risk. A firm-specific risk is that a competitor might enter its market and take some of its customers. A market risk is that the economy might enter a recession, reducing sales. Which of these two risks would more likely caus

> From 2008 to 2012, the ratio of government debt to GDP in the United States a. increased markedly. b. decreased markedly. c. was stable at a historically high level. d. was stable at a historically low level.

> Give three examples of how our society discourages saving. What are the drawbacks of eliminating these disincentives?

> Explain two ways in which a government budget deficit hurts a future worker.

> Suppose the federal government cuts taxes and increases spending, raising the budget deficit to 12 percent of GDP. If nominal GDP is rising 5 percent per year, are such budget deficits sustainable forever? Explain. If budget deficits of this size are mai

> The ability of insurance to spread risk is limited by a. risk aversion and moral hazard. b. risk aversion and adverse selection. c. moral hazard and adverse selection. d. risk aversion only.

> Advocates of taxing consumption rather than income argue that a. a consumption tax is a better automatic stabilizer. b. taxing consumption does not cause any deadweight losses. c. the rich consume a higher fraction of income than the poor. d. the curren

> Suppose the Federal Reserve’s policy is to maintain low and stable inflation by keeping unemployment at its natural rate. However, the Fed believes that the natural rate of unemployment is 4 percent when the actual natural rate is 5 percent. If the Fed b

> Name two macroeconomic variables that decline when the economy goes into a recession. Name one macroeconomic variable that rises during a recession.

> From one year to the next, inflation rises from 4 to 5 percent, while unemployment rises from 6 to 7 percent. Which of the following events could be responsible for this change? a. The central bank increases the growth rate of the money supply. b. The g

> In the early 1980s, new legislation allowed banks to pay interest on checking deposits, which they could not do previously. a. If we define money to include checking deposits, what effect did this legislation have on money demand? Explain. b. If the Fede

> Which of the following is an example of an automatic stabilizer? When the economy goes into a recession, a. more people become eligible for unemployment insurance benefits. b. stock prices decline, particularly for firms in cyclical industries. c. Congre

> What might shift the aggregate-demand curve to the left? Use the model of aggregate demand and aggregate supply to trace through the short-run and long-run effects of such a shift on output and the price level.

> For each of the three theories for the upward slope of the short-run aggregate-supply curve, carefully explain the following: a. how the economy recovers from a recession and returns to its long-run equilibrium without any policy intervention b. what det

> The idea that economic downturns result from an inadequate aggregate demand for goods and services is derived from the work of which economist? a. Adam Smith b. David Hume c. David Ricardo d. John Maynard Keynes

> A senator renounces his past support for protectionism: “The U.S. trade deficit must be reduced, but import quotas only annoy our trading partners. If we subsidize U.S. exports instead, we can reduce the deficit by increasing our competitiveness.” Using

> What is investment? How is it related to national saving in a closed economy?

> If business leaders in Great Britain become more confident in their economy, their optimism will induce them to increase investment, causing the British pound to ________ and pushing the British trade balance toward ________. a. appreciate, deficit b. ap

> What is happening to the U.S. real exchange rate in each of the following situations? Explain. a. The U.S. nominal exchange rate is unchanged, but prices rise faster in the United States than abroad. b. The U.S. nominal exchange rate is unchanged, but pr

> The theory of purchasing-power parity says that higher inflation in a nation causes the nation’s currency to ________, leaving the ________ exchange rate unchanged. a. appreciate, nominal b. appreciate, real c. depreciate, nominal d. depreciate, real

> Suppose the economy is in a long-run equilibrium. a. Draw a diagram to illustrate the state of the economy. Be sure to show aggregate demand, short-run aggregate supply, and long-run aggregate supply. b. Now suppose that a stock market crash causes aggre

> What are the costs of inflation? Which of these costs do you think are most important for the U.S. economy?

> If the tax rate is 40 percent, compute the before-tax real interest rate and the after-tax real interest rate in each of the following cases. a. The nominal interest rate is 10 percent, and the inflation rate is 5 percent. b. The nominal interest rate is

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