MacroEcon: chapter 8 and 10

13 November 2023
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question
In a closed economy, what does (T - G) represent?
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public saving
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In a closed economy, what does (Y - T - C) represent?
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private saving
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A closed economy does not engage in international trade, therefore
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net exports (NX) are zero
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A bond is a
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certificate of indebtedness
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Which of the following equations will always represent GDP in an open economy?
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Y = C + I + G + NX
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Which of the following expressions must be equal to national saving for a closed economy?
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Y - C - G
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In a closed economy, national saving is
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equal to investment
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In a small closed economy investment is $50 billion and private saving is $45 billion. What are public saving and national saving?
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$5 billion and $50 billion
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Suppose private saving in a closed economy is $12b and investment is $10b.
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The government budget deficit must equal $2b.
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Suppose a closed economy had public saving of -$1 trillion and private saving of $3 trillion. What are national saving and investment for this country?
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$2 trillion, $2 trillion
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Which of the following involves financial intermediation?
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a bank makes a loan
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Index funds
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typically have a higher rate of return and lower costs than managed mutual funds
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A mutual fund
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A. is a financial institution that stands between savers and borrowers. B. is a financial intermediary. C. allows people with small amounts of money to diversify their holdings. D. All of the above are correct. answer: d
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National saving
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is the total income in the economy that remains after paying for consumption and government purchases.
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In a closed economy, if Y and T remained the same, but G rose and C fell but by less than the rise in G, what would happen to private and national saving?
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private saving would rise and national saving would fall
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GDP = $5 trillion; consumption = $3.1 trillion; government purchases = $0.7 trillion; and taxes = $0.9 trillion. --------------------------------------------------------- Refer to Scenario 26-2. Suppose, for this economy, the relationship between the real interest rate, r, and investment, I, is given by the equation I = 10.78 - 3.03r. (If, for example, r = 10, this means that the real interest rate is 10 percent.) The equilibrium real interest rate for this economy is
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3.16 percent
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Scenario 26-2. Assume the following information for an imaginary, closed economy. GDP = $5 trillion; consumption = $3.1 trillion; government purchases = $0.7 trillion; and taxes = $0.9 trillion. Refer to Scenario 26-2. For this economy, private saving is equal to
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$1.0 trillion
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If an economy is closed and if it has no government, then
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national saving = private saving
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Mandy purchases 68.2 shares of a mutual fund for $1,500. Cassie's purchase of these shares contributes $1,500 to which magnitude in the identity Y = C + I + G?
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A. None of the above are correct. B. I C. G D. C ANSWER: A
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An increase in the government's budget surplus means
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public saving is greater than $0 and increasing.
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A budget surplus
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reduces the government's debt.
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The country of Yokovia does not trade with any other country. Its GDP is $20 billion. Its government collects $2 billion in taxes. Consumption equals $15 billion and investment equals $2 billion. What is public saving in Yokovia, and what is the value of the goods and services purchased by the government of Yokovia?
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-$1 billion and $3 billion
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Scenario 26-1. Assume the following information for an imaginary, closed economy. GDP = $100,000; taxes = $22,000; government purchases = $25,000; national saving = $15,000. Refer to Scenario 26-1. For this economy, consumption amounts to
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$60,000
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Scenario 26-1. Assume the following information for an imaginary, closed economy. GDP = $100,000; taxes = $22,000; government purchases = $25,000; national saving = $15,000. Refer to Scenario 26-1. This economy's government is running a
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budget deficit of $3,000
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If in a closed economy Y = $11 trillion, which of the following combinations would be consistent with national saving of $3 trillion?
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C = $7 trillion, G = $1 trillion
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The Bureau of Labor Statistics is part of the U.S. Department of
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Labor.
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The natural unemployment rate includes
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both frictional and structural unemployment
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Cyclical unemployment is caused by
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neither frictional nor structural unemployment
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Jenna is searching for a job that suits her tastes about where to live. Mary is looking for a job that makes best use of her skills.
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Jenna and Mary are both frictionally unemployed
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Frictional unemployment results from
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job searching. It is often thought to explain relatively short spells of unemployment
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Suppose that some people report themselves as unemployed when, in fact, they are working in the underground economy. If these persons were counted as employed, then
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the unemployment rate would be lower, and the labor-force participation rate would be unaffected.
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Over the past several decades in the United States, the labor-force participation rate of women has
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increased, and the labor-force participation rate of men has decreased
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Which of the following is not a cause of the decline in the U.S. men's labor-force participation rate over the past several decades?
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with more women employed, there are fewer jobs now available to men
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Just after World War II, the labor-force participation rate of men was
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about 90 percent, and in 2012, it was about 70 percent
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People who are unemployed because they are in search of a job that suits their skills are included within
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frictional unemployment
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Which of the following is a cause of the changing role of women in American society over the past several decades?
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A. changing political and social attitudes B. improved birth control C. new technologies that have reduced the amount of time required to complete routine household tasks D. All of the above are correct. ANSWER: D
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Since 1960, the natural rate of unemployment in the U.S. has been between
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5% and 6%
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The deviation of unemployment from its natural rate is called
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cyclical unemployment
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According to 2012 data on the U.S. population, which of the following groups of teenagers (ages 16-19) had the highest labor-force participation rate?
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white females
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Which of the following is the correct formula for calculating the unemployment rate?
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(number unemployed)/(number in labor force)x100
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Suppose that the adult population in the town of Springfield is 225 million. If 40 million are unemployed and 100 million are employed, then the unemployment rate is approximately
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29%
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Suppose that the Bureau of Labor Statistics reports that the entire adult population of Mankiwland can be categorized as follows: 25 million people employed, 3 million people unemployed, 1 million discouraged workers, and 1 million people who are either students, homemakers, retirees, or other people not seeking employment. Refer to Scenario 28-1. What is the total labor force?
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28 million
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Suppose that some country had an adult population of about 25 million, a labor-force participation rate of 60 percent, and an unemployment rate of 6 percent. How many people were unemployed?
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0.9 million
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Suppose that some country had an adult population of about 46 million, a labor-force participation rate of 75 percent, and an unemployment rate of 8 percent. How many people were employed?
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31.74 million
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Suppose that the adult population is 6 million, the number of employed is 3.8 million, and the labor-force participation rate is 70%. What is the unemployment rate?
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9.5%