1.Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. The largest component of GDP is consumption. b. Government spending, including transfers, was equal to 17.4% of GDP in 2018. c. The propensity to consume has to be positive, but otherwise it can take on any positive value. d. One factor in the 2009 recession was a drop in the value of the parameter c0. e. Fiscal policy describes the choice of government spending and taxes and is treated as exogenous in our goods market model. f. The equilibrium condition for the goods market states that consumption equals output. g. An increase of one unit in government spending leads to an increase of one unit in equilibrium output. h. An increase in the propensity to consume leads to a decrease in output.
> Two of the largest trading partners of the United States are Canada and Mexico. The FRED database at the Federal Reserve Bank of St. Louis maintains four series that are useful to us: A Real Broad Effective Exchange rate for Mexico (RBMXBIS); A Real Broa
> Look at Figure 1 in the box “The 1992 EMS Crisis.” European nominal exchange rates had been fixed between the major currencies from roughly 1979 to 1992. a. Explain how to read the vertical axis of Figure 1. What count
> Equation (20.5) provides insight into the movements of nominal exchange rates between a domestic and a foreign country. Remember that the time periods in the equation can refer to any time unit. The equation is: a. Suppose we are thinking of one-day time
> An exchange rate crisis occurs when the peg (the fixed exchange rate) loses its credibility. Bond holders no longer believe that next period’s exchange rate will be this period’s exchange rate. a. Solve the uncovered
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. If the nominal exchange rate is fixed, the real exchange rate is fixed. b. When domestic inflation equals foreign inflation, the
> Suppose that an economy is characterized by the following behavioral equations (in billions of euros): a. Equilibrium GDP (Y) b. Disposable income (YD) c. Consumption spending (C).
> This question explores how an increase in global demand for domestic assets may slow down the depreciation of the domestic currency. Here, we modify the IS-LM-UIP framework to analyze the effects of an increase in the demand for foreign assets. Write the
> The effectiveness of monetary policy in an open economy is enhanced when the central bank has the flexibility to change the exchange rate and the willingness to change interest rates. Suppose that there is a decrease in consumer confidence in Tunisia, gi
> Consider a fixed exchange rate system, in which a group of countries (called follower countries) peg their currencies to the currency of one country (called the leader country). Because the currency of the leader country is not fixed against the currenci
> Suppose there is an expansionary fiscal policy in the foreign country that increases Y* and i* at the same time. a. In an IS-LM–UIP diagram, such as Figure 19-2, show the effect of the increase in foreign output, Y*, and the increase in
> Consider an open economy with flexible exchange rates. Let UIP stand for the uncovered interest parity condition. a. In an IS-LM–UIP diagram, such as Figure 19-2, show the effect of an increase in foreign output, Y*, on domestic output
> In this chapter, we showed that a reduction in the interest rate in an economy operating under flexible exchange rates leads to an increase in output and a depreciation of the domestic currency. a. How does the reduction in interest rates in an economy w
> Consider an open economy with flexible exchange rates. Suppose output is at the natural level, but there is a trade deficit. The goal of policy is to reduce the trade deficit and leave the level of output at its natural level. What is the appropriate fis
> Use a search engine to find material on the Trump administration tariffs’ impact on the economy. What do economists say about them? You will learn something even by just reading the heading and the first paragraph of three to five articles.
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. The interest rate parity condition means that interest rates are equal across countries. b. other things being equal, the intere
> a. National saving is defined as private saving plus government surplus, that is, S + T - G. Now, using equation (18.5), describe the relation among current account deficit, net investment income, and the difference between national saving and domestic i
> The Tax Cut and Jobs Act was passed by Congress in December 2017. GDP grew from $18,000 billion (2012 dollars) in 2017 to $18,500 billion (2012 dollars) in 2018. a. By what percentage did real GDP grow from 2017 to 2018? b. Estimates from the Congression
> Consider an open economy in which the real exchange rate is fixed and equal to one. Consumption, investment, government spending, and taxes are given by C = 10 + 0.8 (Y – T), I = 10, G = 10, and T = 10 Imports and exports are given by IM = 0.3 Y and
> Consider an open economy characterized by the following equations: C = c0 + c1(Y – T) I = d0 + d1Y IM = m1Y X = x1Y* The parameters m1 and x1 are the propensities to import and export. Assume that the real exchange rate is fixed at a value of 1 and tre
> a. Consider an economy with a trade deficit (NX < 0) and with output equal to its natural level. Suppose that, even though output may deviate from its natural level in the short run, it returns to its natural level in the medium run. Assume that the natu
> a. Suppose there is an increase in foreign output. Show the effect on the domestic economy (i.e., replicate Figure 18-4). What is the effect on domestic output? On domestic net exports? b. If the interest rate remains constant, what will happen to domest
> A further look at Table 18-1 Table 18-1 has four entries. Using Figure 18-5 as a guide, draw the situations illustrated in each of the four entries in Table 18-1. Be sure you understand why the direction of change in government spending and the real exch
> a. In 2017, European Union spending on US goods accounted for 19% of US exports (see Table 17-2), and US exports amounted to 12.3% of US GDP (see Table 17-1). What was the share of European Union spending on US goods relative to US GDP? b. Assume that th
> Using the definition of the real exchange rate (and Propositions 7 and 8 in Appendix 2 at the end of the book), you can show that In words, the percentage real appreciation equals the percentage nominal appreciation plus the difference between domestic
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. The reduction in the current account deficit in Greece from 2008 to 2018 means that citizens in Greece are better off. b. The nat
> Retrieve the most recent World Economic Outlook (WEO) from the Web site of the International Monetary Fund (www.imf.org). In the Statistical Appendix, find the table titled “Summary of Net Lending and Borrowing,” which lists saving and investment (as a p
> Retrieve the most recent World Economic Outlook (WEO) from the Web site of the International Monetary Fund (www.imf. org). In the Statistical Appendix, find the table titled “Balances on Current Account,” which lists current account balances around the w
> In fighting the recession associated with the crisis, taxes were cut and government spending was increased. The result was a large government deficit. To reduce that deficit, taxes must be increased or government spending must be cut. This is the “exit s
> Retrieve the nominal exchange rates between Japan and the United States from the Federal Reserve Bank of St. Louis FRED data site. It is series AEXJPUS. This exchange rate is written as yen per dollar. a. In the terminology of the chapter, when the excha
> Suppose the domestic currency depreciates (i.e., E falls). Assume that P and P* remain constant. a. How does the nominal depreciation affect the relative price of domestic goods (i.e., the real exchange rate)? Given your answer, what effect would a nomin
> Consider a world with three equal-sized economies (A, B, and C) and three goods (clothes, cars, and computers). Assume that consumers in all three economies want to spend an equal amount on all three goods. The value of production of each good in the thr
> Each of the governments of Brazil and Turkey has issued bonds in Brazilian real (BRL) and Turkish lira (TRY), respectively. Assume that both government securities are one-year bonds, i.e., paying the face value of the bond one year from now. Suppose that
> Consider two fictional economies, one called the domestic country and the other the foreign country. Given the transactions listed in (a) through (g), construct the balance of payments for each country. If necessary, include a statistical discrepancy. a.
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. If there are no statistical discrepancies, countries with current account deficits must receive net capital inflows. b. Although
> After the financial crisis of 2007 as noted in the chapter, almost every country has had to resorb the high fiscal deficit created to fight recession. However, the challenge was to restore a fiscal balance without stopping the growth recovery. a. Go to t
> Suppose, in a hypothetical economy, that the chairman of the Fed unexpectedly announces that he will retire in one year. At the same time, the President announces her nominee to replace the retiring Fed chair. Financial market participants expect the nom
> Refer to the Focus Box “Can a Budget Deficit Reduction Lead to an Output Expansion? The Case of South Africa.” It provides an example of fiscal discipline in a developing country. a. What are the reasons that led the SA government to choose this tight fi
> A new president, who promised during the campaign that she would cut taxes, has just been elected. People trust that she will keep her promise, but expect that the tax cuts will be implemented only in the future. Determine the impact of the election vict
> Using fiscal policy to avoid the meltdown and debt crisis of 2009. As a result of the combined effects of the Great Recession and the European sovereign debt crisis, GDP of Greece declined from €281.44 billion in 2008 to €176.5 billion in 2015. a. What i
> Consider the following statement: “The rational expectations assumption is unrealistic because, essentially, it amounts to the assumption that every consumer has perfect knowledge of the economy.” Discuss.
> For each of the changes in expectations in parts a through d, determine whether there is a shift in the IS curve, the LM curve, both curves, or neither. In each case assume that no other exogenous variable is changing. a. a decrease in the expected futur
> The European Central Bank (ECB) conducts a press conference each month where the president of the ECB presents the measures decided by the Bank Council and answers public questions. a. What do you think is the purpose of such press conferences? b. Accord
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. Changes in the current one-year real interest rate are likely to have a much larger effect on spending than changes in expected f
> The OECD built a consumer confidence and a business confidence index that you may find at https://data.oecd.org/searchresults/?r=+f/ type/indicators. Extract this index for all 19 member countries in the euro area and for China for the period 2008–2017 (
> Go to the World Bank database and select the historical series for gross capital formation (annual % growth) and household final consumption expenditure (annual % growth) for Argentina and Brazil for the period 1995–2016. You may find the data series at
> Consider a consumer across three periods: youth, middle age, and old age. In her youth, the consumer earns €20,000 in labor income. Earnings during middle age are uncertain; there is a 50% chance that the consumer will earn €40,000 and a 50% chance that
> Refer to Problem 5. Suppose now that there are certain borrowing constraints for consumers in their youth. Given that sum of income and total financial wealth is cash in hand, the borrowing constraints mean that consumers cannot consume more than their c
> Suppose that every consumer is born with zero financial wealth and lives for three periods youth, middle age, and old age. Consumers work in the first two periods and retire in the last one. Their income is €5 in the first period, €25 in the second, and
> The South Korean won (or KRW) is the official currency of the Republic of Korea. Suppose that you have just finished college and have been offered a job as a photographer with a famous KPop company (like BigHit) with a starting salary of 1.5 million KRW
> A private hospital in Europe is deciding on its next investments. Purchasing the latest medical equipment would cost the hospital €1 million and is expected to earn an annual revenue of €150,000. The real interest rate is 8% this year and is expected to
> Lucy and Adam are university graduates who start working at the same time. Lucy is a computer programmer earning an annual salary of €70,000, and Adam is a teacher with an annual salary of €45,000. Both expect their annual salary to increase by 2% in rea
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. For a typical college student, human wealth and nonhuman wealth are approximately equal. b. Natural experiments, such as retireme
> The Economist annually publishes The Economist House Price Index. It attempts to assess which housing markets, by country, are the most overvalued or undervalued relative to fundamentals. Find the most recent version of this data on the Web. a. One index
> Houses can be thought of as assets with a fundamental value equal to the expected present discounted value of their future real rents. a. Would you prefer to use real payments and real interest rates to value a house or nominal payments and n
> Suppose that an investor has a choice between buying a three-year bond with a face value of $60 and a stock paying a constant dividend of $20 per year, which the investor plans to hold for three years. The real interest rate on the stock and the bond is
> Assume the short-term real policy rate, current and expected, had been 2% until now. Suppose the Fed decides to tighten monetary policy and increase the short-term policy rate (r1t) from 2% to 3%. a. What happens to stock prices if the change in r1t is e
> The present value of an infinite stream of dollar payments of $z (that starts next year) is $z/i when the nominal interest rate, i, is constant. This formula gives the price of a consol a bond paying a fixed nominal payment each year, forever. It is also
> Compute the two-year nominal interest rate using the exact formula and the approximation formula for each set of assumptions listed in parts a through c. The term premium on a two-year bond is 1%.
> The Consumer Price Index represents the average price of goods that households consume. Many thousands of goods are included in such an index. Here consumers are represented as buying only fresh food and renting property as their basket of goods. Here is
> For which of the problems listed in parts a through c would you want to use real payments and real interest rates, and for which would you want to use nominal payments and nominal interest rates to compute the expected present discounted value? In each c
> Go to the Web site of the Japanese Ministry of Finance and get the historical data about government bond yields. The data categorizes government bonds according to their maturity. a. Construct the yield curve for the latest available data. What do you ob
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. The present discounted value of a stream of returns can be calculated in real or nominal terms. b. The higher the one-year intere
> In this question, we look at the evolution of real wages. According to the International Labour Office’s (ILO) latest Global Wage Report’s appendix on Asia and the Pacific, available on its website, real wage growth has been very strong in the Asia and P
> In 2014, the European Commission (EC) presented a report on the European Vacancy and Recruitment, containing data on occupations with the largest job declines and the largest job growth in the European Union (EU) member states in previous years. a. Find
> In the appendix to Chapter 7, we learned how the wage-setting and price-setting equations could be expressed in terms of labor demand and labor supply. In this problem, we extend the analysis to account for technological change. Consider the wage-setting
> Discuss the following statement: “Those who argue that technological progress does not reduce employment should look at agriculture. At the start of the last century, there were more than 11 million farm workers. Today, there are fewer than 1 million. If
> In Chapter 12 you computed a residual term representing the growth rate of technology using the expression and the annual growth rates of output, gY; labor input, gN; and capital input, gK. What was the value of that residual for the period from 2000 to
> The Real Exchange Rate and Domestic and Foreign Real Interest Rates
> Deriving the IS Relation under Fixed Exchange Rates
> Consider the economy described in Problem 4. a. Construct real GDP for years 2012 and 2013 by using the average price of each good over the two years. b. By what percentage does real GDP change from 2012 to 2013? c. What is the GDP deflator in 2012 and 2
> Fixed Exchange Rates, Interest Rates, and Capital Mobility
> Derivation of the Marshall-Lerner Condition
> The Congressional Budget Office (CBO) is required to produce a forecast of the federal fiscal situation each year. This question uses the version published in January 2019. There is a document entitled “A Visual Summary of The Budget and Economic Outlook
> Derivation of the Expected Present Value of Profits under Static Expectations
> From the FRED economic database at the Federal Reserve Bank of St. Louis, you can retrieve two series: General Government Gross Debt of the United States (GGGDTAUSA188N) and a measure of the primary deficit (USAGGXONLBGDP). Both are measured as a percent
> Deriving the Expected Present Discounted Value Using Real or Nominal Interest Rates
> How to Measure Technological Progress, and the Application to China
> The Cobb-Douglas Production Function and the Steady State
> Derivation of the Relation Between Inflation, Expected Inflation, and Unemployment
> Wage- and Price-Setting Relations Versus Labor Supply and Labor Demand.
> a. Use the prices for 2012 as the set of common prices to compute real GDP in 2012 and in 2013. Compute the GDP deflator for 2012 and for 2013, and compute the rate of inflation from 2012 to 2013. b. Use the prices for 2013 as the set of common prices to
> The Construction of Real GDP and Chain-Type Indexes
> What do macroeconomists do?
> Where to find the numbers
> The rate of growth of output per person was identified as a major issue facing the United States as of the writing of this chapter. Go to the 2018 Economic Report of the President a. Find the column with numbers that describe the level of output per hour
> Chinese economic growth is the outstanding feature of the world economic scene over the past two decades. a. In 2018, US output was $20.5 trillion, and Chinese output in 2017 was $13.5 trillion. Suppose that from 2017 the output of China grows at an annu
> Beware of simplistic answers to complicated macroeconomic questions. Consider each of the following statements and comment on whether there is another side to the story. a. There is a simple solution to the problem of high European unemployment: Reduce
> Using the information in this chapter and by referring to the IMF data mapper (http://www.imf.org/external/datamapper/datasets/ WEO/3) or the World Bank database (https://data.worldbank. org/) for updated information, label each of the following statemen
> Continuing with the logic from Problem 7, suppose that the economy’s production function is given by Y = K1/3 N2/3 and that the saving rate, s, and the depreciation rate, are equal to 0.10. a. What is the steady-state level of capital
> An economy produces three goods: cars, computers, and oranges. Quantities and prices per unit for years 2012 and 2013 are as follows: a. What is nominal GDP in 2012 and in 2013? By what percentage does nominal GDP change from 2012 to 2013? b. Using th
> Suppose that an economy is characterized by the following production function a. Derive the steady-state level of output per worker, and the steady-state level of capital per worker in terms of the saving rate, s, and the depreciation rate, (. b. Deriv
> Suppose that in a given economy, both the saving rate and the depreciation rate increase. What would the effect of this dual movement be on the economy’s capital per worker and output per worker, in the short and the long run?
> Discuss how the level of output per person in the long run would likely be affected by each of the following changes: a. The right to exclude saving from income when paying income taxes. b. A higher rate of female participation in the labor market (but c
> In Chapter 3 we saw that an increase in the saving rate can lead to a recession in the short run (i.e., the paradox of saving). We examined the issue in the medium run in Problem 5 at the end of Chapter 7. We can now examine the long-run effects of an in
> Suppose that the head of the Finance Ministry in your country were to go on the record advocating an effort to restrain current consumption, arguing that lower consumption now means higher saving; and higher saving now means a permanent higher level of c
> Using the information in this chapter, label each of the following statements true, false, or uncertain. Explain briefly. a. The saving rate is always equal to the investment rate. b. A higher investment rate can sustain higher growth of output forever.
> Your institution may have a subscription to The Economist news magazine, or you may be able to find this graphic on the web. The March 23, 2019 issue, in a section entitled “Graphic Detail: Happiness Economics,” makes the same point as Figure 1. a. Doe
> Using the Penn World Tables, find the data on real GDP per person (chained series) for 1970 for all available countries. Do the same for a recent year of data where the data are available for most countries (it takes more time to produce this measure in
> Consider three rich countries: France, Belgium, and Italy, and four poor countries, Ethiopia, Kenya, Nigeria, and Uganda. Define for each country the ratio of its real GDP per person to that of the United States in 1970 and in the latest year available (
> During a given year, suppose the following activities occur in an economy. i. An automobile manufacturing company pays its workers €10 million to assemble 5,000 cars. The cars are then sold to an automobile store for €12 million. ii. That year, the store