問題一覧
1
A competitive firm maximizes profit by choosing the quantity at which
marginal cost equals price
2
A profit-maximizing firm in a perfectly competitive market is currently producing 500 units of output, at a price of $40 and total cost of $1000. At this current level of output, marginal cost is _______, and average total cost is_________.
$40, $2
3
In the long-run equilibrium of a perfectly competitive market with identical firms, what are the relationships among price P, marginal cost MC, and average total cost ATC?
P = MC and P = ATC
4
A perfectly competitive firm's short-run supply curve is its _________ cost curve above its _________ cost curve.
marginal, average variable
5
The existence of economic losses in a perfectly competitive market induces firms to __________ the market, which shifts the market supply curve to the__________ and __________ market price.
exit, left, increases
6
If a perfectly competitive market is one of constant costs, this implies the long run market supply curve is
perfectly elastic
7
Suppose the market for building new homes is perfectly competitive and one of constant costs. If the demand for new homes increases,
the price to build a new home will go up in the short run, but not in the long run
8
Suppose the pretzel market is perfectly competitive and in its long run equilibrium. If then there is a new process that reduces the costs for each firm in the industry, short run economic profits will be _________, though in the long run economic profit will be _____ as firms _______ the industry.
positive, zero, enter
9
What is the relationship between price P, marginal revenue MR, and marginal cost MC for a profit maximizing monopolist?
P > MR and MR = MC
10
Suppose the DeBeers company is a monopolist in its market to sell diamonds. Also suppose this year the company earns economic profits. This implies that the price of diamonds will
exceed both the marginal cost and average cost of producing diamonds.
11
A significant long-run difference between monopoly and perfect competition is that
all of the above.
12
The graph below shows the average cost, marginal cost, demand, and marginal revenue curves for a market. If the market is perfectly competitive, the price is ___ and the quantity is ____. If the market is monopolized, the price is ___ and the quantity is ____.
6, 45, 8, 30
13
If the government attempts to break up a natural monopoly to enforce competition in a market,
the average cost of producing the good will increase.
14
Which of the following is true regarding a monopoly?
a monopoly is a socially inefficient market structure since the quantity in the market is too low and price too high
15
When a monopolist practices price discrimination
it charges different consumers different prices for the same good
16
Which of the following is true?
all of the above
17
Suppose you are a U.S. citizen living in North Carolina, and you purchase a Maserati produced in Italy. How does your purchase affect U.S. GDP?
U.S. GDP will be unchanged
18
Suppose Ford, an American automobile producer, opens a plant in Canada. Which of the following is true?
Both of the above are true
19
Consider an economy that produces only chocolate bars. In year 1, the quantity produced is 3 bars and the price is $4. In year 2, the quantity produced is 4 bars and the price is $5. In year 3, the quantity produced is 5 bars and the price is $6. Year 1 is the base year. What is nominal GDP for year 1, year 2, year 3?
$12, $20, $30
20
Consider an economy that produces only chocolate bars. In year 1, the quantity produced is 3 bars and the price is $4. In year 2, the quantity produced is 4 bars and the price is $5. In year 3, the quantity produced is 5 bars and the price is $6. Year 1 is the base year. What is real GDP for year 1, year 2, year 3?
$12, $16, $20
21
Consider an economy that produces only chocolate bars. In year 1, the quantity produced is 3 bars and the price is $4. In year 2, the quantity produced is 4 bars and the price is $5. In year 3, the quantity produced is 5 bars and the price is $6. Year 1 is the base year. What is the GDP Deflator for year 1, year 2, year 3?
100, 125, 150
22
Which economic statistic best measures well-being among nations?
GDP per capita
23
Which of the following is true?
all of the above
24
Which most likely has a greater effect on the U.S. CPI: a 10% increase in the price of chicken or a 10% increase in the price of caviar? Why?
a 10% increase in the price of chicken since chicken would be a greater component of the average consumer's market basket
25
Because consumers can sometimes substitute cheaper goods for those that have risen in price,
the CPI can slightly overvalue inflation
26
A small nation produces and consumes only cookies and milk. Assuming that the average market basket of goods contains 1 box of cookies and 3 containers of milk, calculate the CPI for Year 2. Assume Year 1 is the base year.
137.14, 37.14%
27
A small nation produces and consumes only cookies and milk. In Year 1, the nation consumes 10 units of cookies at $40 apiece, and 30 units of milk at $10 apiece. In Year 2, the nation consumes 12 units of cookies at $60 apiece, and 50 units of milk at $12 apiece. Assume Year 1 is the base year. The value of the GDP deflator in Year 2 is ______, and the annual rate of inflation (annual percentage increase in GDP deflator) in Year 2 according to the GDP deflator is _______.
134.69, 34.69%
28
If the price of imported French wine rises, is the CPI or GDP deflator in the U.S. affected more? Why?
the CPI since it would not be a part of the GDP deflator- imported goods are not included in GDP
29
Suppose you take a job today in the financial industry earning an annual salary of $90,000. Also suppose your mom had that same job in the year 2000, earning $60,000 per year. If the CPI was 200 in the year 2000, and today's CPI is 300, which of the following is true?
in real terms, your salary today is equal to your mom's 2000 salary
30
Suppose your bank pays you a nominal interest rate of 2% on your savings. If the current rate of inflation is 1%, what is the rate of real interest you earn on your savings?
1%
31
List the four determinants of labor productivity.
physical capital per worker, human capital per worker, natural resources per worker, technological knowledge per worker
32
Which of the following is correct?
All of the above
33
Which of the following will promote economic growth within a nation?
all of the above
34
Does a college education increase productivity? If so, why?
yes, it leads to an increase in human capital
35
Suppose a Japanese company opens a factory in South Korea
this is an example of foreign direct investment and will lead to increased GDP in South Korea
36
In recent decades Americans have increased their purchase of stocks in foreign-based companies. The Americans who bought these stocks were engaged in
foreign portfolio investment
37
Why does a policy to promote free trade lead to economic growth?
all of the above
38
Which of the following is an international institution devoted to promoting global economic growth?
all of the above
39
Financial markets and financial intermediaries are different types of financial institutions. Two types of financial markets are ______ and ______, two types of financial intermediaries are ______ and _______
stock market and bond market, banks and mutual funds
40
If a popular show on personal finance convinces Americans to save more for retirement, the ______ curve for loanable funds would shift, driving the equilibrium interest rate ______.
supply, down
41
Which of the following may lead to an increase in interest rates?
all of the above
42
If the federal government collects more in tax revenue than it spends, and households consume more than they receive in disposable income, then
private saving is negative, but public saving is positive
43
Assume a closed economy (no international trade) has government spending of $200 billion, taxes of $150 billion, and investment spending of $250 billion. Calculate the level of private savings.
$300 billion
44
Suppose GDP is $8 trillion, taxes (T) is $1.5 trillion, private savings is $0.5 trillion, and public savings is $0.2 trillion. Assuming this economy is closed (no international trade), calculate consumption (C), government purchases (G), national savings (NS), and investment (I).
C=$6 trillion, G= $1.3 trillion, NS= $0.7 trillion, I= $0.7 trillion
45
What is the name of our federal agency responsible for enforcing regulations in financial markets?
Securities and Exchange Commission