Micro COPY Flashcards
Suppose the price elasticity of supply for a product is zero. This means that: a.There is a shortage. b.The firm makes the same amount of product even if the price changes some. c.The firm makes the same amount of revenue even if the price changes some. d.No one wants to buy the good. e.The supply curve is horizontal.
b. The firm makes the same amount of product even if the price changes some.
Tony is a wheat farmer, but he spends part of his day teaching guitar lessons. He has more students requesting lessons than he has time to teach and still maintain his farm. Tony charges $25/hr for guitar lessons. One spring day he spends 10 hours in his field planting $130 worth of seeds, which he expects will produce $300 worth of wheat. What will Tony’s economic profit equal? a.-$80 b.$130 c.$170 d.$300 e.$140
a.-$80
Which of the following most resembles a perfectly competitive market? a.wheat industry b.publishing industry c.oil industry d.automobile industry e.electricity industry
a. wheat industry
If supply and demand both shift to the right at the same time, what can we say about equilibrium price and quantity? a.both will increase b.price will increase, quantity may increase or decrease c.both will decrease d.quantity will increase, price may increase or decrease e.price will decrease, and quantity will increase
d.quantity will increase, price may increase or decrease
Following the events of 9/11, the airlines have been forced to increase security at a cost of $800 million per year. The number of inspectors and machines does not vary with the number of passengers – the airlines must have sufficient staff to handle the full-capacity load. These security expenditures will a.increase MC and ATC. b.increase MC and leave ATC unchanged. c.increase ATC and leave MC unchanged. d.increase MC and AVC. e.increase MC and leave AVC unchanged.
c. increase ATC and leave MC unchanged.
Suppose it is discovered that drinking cranberry juice prevents the common cold. What effect do you predict this discovery will have on the price and quantity of cranberry juice sold, other things equal? a.both price and quantity will increase b.both price and quantity will decrease c.price will increase while quantity will decrease d.price will decrease while quantity will increase e.price and quantity will both remain constant
a. both price and quantity will increase
Other things remaining the same, as Japanese imports from the U.S. increase, the quantity of a.U.S. dollars supplied increases. b.U.S. dollars demanded increases. c.yen supplied decreases. d.U.S. dollars demanded decreases. e.none of the above.
b. U.S. dollars demanded increases.
Four consumers, A, B, C, and D, are each willing to pay $9, $8, $7, and $6, respectively, to buy one unit of some good. Four producers, E, F, G, and H, are each able to produce one unit of that good at a cost of $3, $4, $5, and $6, respectively. At a price of $6, what is the combined total of consumer surplus and producer surplus in this market? a.$8 b.$9 c.$10 d.$11 e.$12
e.$12
Suppose the world’s iron mines are running out of ore, and new sources of iron are not being discovered. In a market system, the users of iron (such as auto manufacturers who buy steel) will a.continue buying the same amount of iron. b.be surprised when the world suddenly runs out of iron. c.increase their buying of iron in the long run. d.decrease their use of iron in response to rising iron prices. e.need a government agency to inform them of the impending iron shortage.
d. decrease their use of iron in response to rising iron prices.
Jane spends an hour studying instead of working at her part time job which pays $5/hour. The opportunity cost to her of studying is a.the improvement in her grades from studying for the hour. b.the difference between the value she places on the improvement in her grades and the $5 she would have earned if she had worked instead of studying. c.the $5 she would have earned if she worked for another hour instead of studying. d.zero since it costs nothing to study. e.the increase in her earning power from getting an education.
c. the $5 she would have earned if she worked for another hour instead of studying.
A lighthouse is typically considered a good example of a public good because a.the owner of the lighthouse is able to exclude beneficiaries from enjoying the lighthouse. b.there is rarely another lighthouse nearby to provide competition. c.a nearby port authority cannot avoid paying fees to the lighthouse owner. d.all passing ships are able to enjoy the benefits of the lighthouse without paying. e.the more ships there are, the less light each ship gets.
d. all passing ships are able to enjoy the benefits of the lighthouse without paying.
The U.S. and China produce guns and rice. The country with the lowest opportunity cost of guns (in terms of rice) will a.import guns. b.have an absolute advantage in guns. c.export rice. d.have a comparative advantage in rice. e.have a comparative advantage in guns.
e.have a comparative advantage in guns.
Which of the following is a correct statement about marginal cost (MC)? a.Marginal cost is the same as average total cost. b.Marginal cost is the same as variable cost. c.Marginal cost is the same as fixed cost. d.Marginal cost is the difference between fixed and variable cost. e.none of the above
e.none of the above
When one person uses a common pool resource, a.an externality arises. b.other people are worse off. c.it is difficult to charge him or her for usage of it. d.that person gets the benefits of usage. e.all of these answers are correct.
e.all of these answers are correct.
Producer surplus is measured by a.profits. b.the area above the supply curve but below the price. c.the area below the demand curve but above the price. d.the area below the supply curve. e.the area above the average cost curve but below the price
b.the area above the supply curve but below the price.
If the price elasticity of demand for radios is 2.5, then a 50 percent reduction in the price of radios will lead to a.the sale of 200 additional radios. b.the sale of 125 percent more radios than before. c.the sale of 150 percent more radios than before. d.the sale of 50 percent more radios than before. e.the sale of 25 percent more radios than before.
b.the sale of 125 percent more radios than before. 50*2.5=125
An important implicit cost of almost every business is a.the cost of accounting services. b.the cost of compliance with government regulations. c.the return capital invested in the business could have earned elsewhere. d.interest payments on debt. e.payments to outside contractors.
c.the return capital invested in the business could have earned elsewhere.
Other things remaining the same, as U.S. imports increase, the quantity of a.U.S. dollars demanded increases. b.foreign currency demanded decreases. c.U.S. dollars supplied decreases. d.foreign currency demanded increases. e.none of the above
d.foreign currency demanded increases.
In 1862, the Homestead Act made land available to farmers at a price of zero. Yet many farmers preferred to purchase land along the rail line from the railroad. The farmers a.were fooled by the railroad owners. b.did not understand supply and demand analysis. c.knew the soil was better near the railroad tracks. d.realized it would be less costly to grow and transport crops on land near railroads. e.were bribed by the railroad owners.
d.realized it would be less costly to grow and transport crops on land near railroads.
A firm’s total cost is $10,957 when it produces a quantity of 50. Rounded to the nearest dollar, what is the firm’s average total cost at this quantity? a.413 b.250 c.219 d.187 e.none of the above
c.219 10957/50=219.14
Wendy sells motor homes in the retail market. She buys the motor homes from the manufacturer for a cost that does not vary with the number she purchases. She can sell six per week at $20,000 each. If she limits sales to five, she can charge $21,000 each. She will sell six per week if the cost of buying each motor home from the manufacturer is no more than a.$20,000 b.$10,000 c.$15,000 d.$21,000 e.$30,000
c.$15,000
Suppose the price elasticity of demand for a product is infinite. This means that: a.if you increase the price 1%, revenues will increase. b.if you increase the price 1%, revenues will stay the same. c.if you increase the price 1%, revenues will fall to zero. d.if you increase the price 1%, profit will increase. e.none of the above
c.if you increase the price 1%, revenues will fall to zero.
Which of these would cause a leftward shift of the demand for tongue piercings? a.a tongue ring fad b.discovery that tongue piercings can lead to infections c.lower price of tongue rings d.higher incomes among young people e.higher wages for tongue pierces
b.discovery that tongue piercings can lead to infections
In a market-based economic system, the use of scarce resources a.occurs in an essentially random manner. b.is determined primarily by consumer demand. c.does not respond to changes in preferences. d.is fixed by the appropriate government agency. e.depends entirely on the whims of wealthy capitalists
b.is determined primarily by consumer demand.
Because of scarcity, every economic decision involves a. a trade-off. b. a trade-in. c. an increasing cost. d. a money payment. e. a tax or tariff.
a. a trade-off.
Ryan spends an hour studying instead of going for a bike ride. Assume studying and bike riding were Ryan’s only options for that hour. The opportunity cost to him of studying is Choose one answer. a. the improvement in his grades from studying for the hour. b. the difference between the improvement in his grades and the enjoyment from bike riding. c. the enjoyment and exercise he would have received from bike riding. d. zero since neither activity required Ryan to spend any money. e. the value of the knowledge he gained by studying.
c. the enjoyment and exercise he would have received from bike riding.
Which of the following is a false statement about absolute and comparative advantage? a. Comparative advantage is the basis for gains from trade. b. It is possible for one country to have the absolute advantage in all goods. c. It is possible for one country to have the comparative advantage in all goods. d. To find comparative advantage, you need to consider opportunity cost. e. All of these statements are true.
c. It is possible for one country to have the comparative advantage in all goods.
The gains from trade are a. limited to trade between nations with similar levels of wealth. b. always based on different wage rates between nations. c. a result of more efficient resource allocation. d. based on the principle of absolute advantage. e. none of the above
c. a result of more efficient resource allocation.
Which of the following would not tend to lower the price of VCRs? a. decreasing pri ce of DVD players b. increasing price of video cassettes c. improvement in VCR production technology d. reduced price of raw materials used in making VCRs e. increasing price of pay-per-view movies on cable TV
e. increasing price of pay-per-view movies on cable TV
In a market economy, the allocation of the quantity supplied of any good among demanders is determined by a. the needs of the individuals. b. the sellers. c. the market price. d. government regulations. e. a random process.
c. the market price.
Milk can be used to make yogurt or cheese. Other things equal, if consumers start demanding more yogurt, a. the price of milk will fall. b. less milk will be used in cheese and more will be used in yogurt. c. the supply of milk will decrease. d. the price of cheese will fall. e. all of the above.
b. less milk will be used in cheese and more will be used in yogurt.
The price elasticity of demand a. is determined by the Federal Reserve Bank at a monthly meeting. b. only works well in competitive markets. c. intersects with the price elasticity of supply to determine the market equilibrium. d. is equal to the slope of the demand curve. e. varies from one point to another on a typical demand curve.
e. varies from one point to another on a typical demand curve.
Which of the following statements is true? a. The elasticity of demand for a product cannot change over time. b. Elasticity is useful in theory but cannot be measured in real life. c. The elasticity of demand will be larger if there are good substitutes available. d. If I can’t live without the product, my demand will be elastic. e. none of these are true
c. The elasticity of demand will be larger if there are good substitutes available.
A firm’s total cost is $10,000. Its variable cost is $5,500. What is the firm’s fixed cost? a. $2.22 b. $3,500 c. $4,500 d. $5,500 e. none of the above
c. $4,500 10000-5500=4500
Which of the following is a correct definition of marginal cost (MC)? a. It is the added cost that results from hiring one more employee. b. It is the increase in the average cost that results from producing one more unit of a good. c. It is the decrease in profits that results from selling another unit of a good. d. It is the cost per unit of a good produced – i.e., total cost divided by quantity. e. It is the added cost that results from producing one more unit of a good.
e. It is the added cost that results from producing one more unit of a good.
A firm will shut down if a. P > AVC at all levels of output. b. P < AVC at all levels of output. c. AVC > AFC at all levels of output. d. TR > TC at all levels of output. e. P < TVC at all levels of output.
b. P < AVC at all levels of output.
A negative externality exists when a. Jack buys a good from Bill, and this makes Bill worse off. b. Jack buys a good from Bill, and this makes Jack worse off. c. Jack buys a good from Bill, and this makes Todd better off. d. Jack buys a good from Bill, and this makes both of them worse off. e. Jack buys a good from Bill, and this makes Todd worse off.
e. Jack buys a good from Bill, and this makes Todd worse off.
Hannah runs a manicuring shop. Currently, her shop provides 50 manicures per day, and the shop’s daily total cost (TC) is $600. If Hannah decides to provide 25 more manicures per day, the total cost will rise by $75 per day. If Hannah does decide to increase production by this much, what will the shop’s daily average total cost (ATC) be? a. $12.00 b. $3.00 c. $8.00 d. $9.00 e. $13.50
d. $9.00 ATC: TC / ≠ unit (TC: 600+75=675 ≠ unit: 50+25=75) 675 / 75 = 9
If Ross decides to ride his bike this afternoon, he will miss his favorite television show, and he won’t have time to study for his economics test. If Ross doesn’t ride his bike, he’ll choose to watch the television show instead. (He cannot both watch television and study for the test.) Ross’s opportunity cost of riding the bike is a. the value to Ross of watching the television show. b. the value to Ross of studying for the test. c. the value of watching the television show plus the value of studying for the test. d. the value of watching the television show minus the value of studying for the test.
a. the value to Ross of watching the television show.