ECON 201 FHSU Test Questions
A perfectly competitive market is a market that meets the conditions of
(1) many buyers and sellers, (2) all firms selling identical products (3) no barriers to new firms entering the market.
Suppose income increases by 20 percent and, as a result, the quantity of a particular brand of automobile demanded (holding the price for this particular automobile constant) decreases by 12 percent. The income elasticity of demand for this brand of car is ____ This particular brand of automobile is a(n) _____ good. In another example, suppose market research shows that a particular brand of truck is a normal good and a necessity. If so, then the income elasticity of demand for this truck is _____
-0.60, inferior, less than 1 but greater than 0
Assume world oil supply is 77 million barrels per day at a price of $54 per barrel. Suppose that if the price per barrel of oil increases to $60 per day, then 80 million barrels of oil will be supplied. Using the midpoint formula, what is the price elasticity of supply for oil?_______ In this price range, the world supply of oil is _____.
.36 inelastic
Suppose the price of pepper increases by 10 percent and, as a result, the quantity of salt demanded (holding the price of salt constant) increases by 4 percent. The cross-price elasticity of demand between pepper and salt is ____ In this example, pepper and salt are _____. Instead, suppose pepper and salt were complements. If so, then the cross-price elasticity of demand between pepper and salt would be
0.4, Substitutes negative
Consider the market for Patagonia pullovers. Suppose average household income increases from $38 thousand to $52 thousand per year. As a result, the demand for Patagonia pullovers increases from 415 to 505. Using the midpoint formula, what is the income elasticity of demand for Patagonia pullovers? ______ In this instance, Patagonia pullovers are a _____good. Furthermore, Patagonia pullovers are a ________.
0.63, a normal, necessity
Tim mows neighborhood lawns for extra money. Suppose that he would be willing to mow one lawn for $13, a second lawn for $17, and a third lawn for $20. Also suppose that three neighbors are interested in having their lawns mowed. Mrs. Jones would be willing to pay $35 to have her lawn mowed, Mr. Wilson would be willing to pay $30, and Ms. Smith would be willing to pay $20. If Tim offers to mow lawns for $20 each, what will be his producer surplus? $_______ Considering Mrs. Jones, Mr. Wilson, and Ms. Smith together, what will be their consumer surplus? $_____
10 25
Suppose that legalizing the use of cocaine would decrease its price by 82 percent. If the price elasticity of demand for cocaine is -2.75, what would be the percentage increase in the quantity of cocaine demanded from legalizing cocaine? _______ percent Suppose instead that the price elasticity of demand for cocaine is -0.11. What would be the percentage increase in the quantity of cocaine demanded from legalizing cocaine? _______percent. The higher the absolute value of the price elasticity of demand for cocaine, the _______the increase in cocaine use that would result from legalization.
225.50 9.02 greater
Suppose the United States has two utilities, Commonweath Utilities and Consolidated Electric. Both produce 20 million tons of sulfur dioxide pollution per year. However, the marginal cost of reducing a ton of pollution for Commonwealth Utilities is $225 per ton and the marginal cost of reducing a ton of pollution for Consolidated Electric is $275 per ton. The government's goal is to cut sulfur dioxide pollution in half (by 20 million tons per year). If the government issues 10 million tradable pollution permits to each utility, what will be the cost of eliminating half of the pollution to society? Using a cap-and-trade system of tradable emission allowances will eliminate half of the sulfur dioxide pollution at a cost of $______ million per year. If the permits are not tradable, what will be the cost of eliminating half of the pollution? If permits cannot be traded, then the cost of the pollution reduction will be $_____ million per year.
4500 5000
Economists often are interested in percentage change from one period to the next. The percentage rate of change of gross domestic product (GDP) is an important macroeconomic variable. If in 2010 GDP was $11,150 billion dollars, and GDP increased to $11,825 billion in 2011, what is the growth rate of the U.S. economy in 2011?
6.1%
What is the impact of an increase in worker productivity when demand is relatively more elastic?
An increase in sales revenue received by the firm
A market is a group of __________ of a good or service and the institution or arrangement by which they come together to trade.
Buyers and sellers
Societies organize their economies in two main ways to answer the three questions of what, how, and who. A society can have a _____ economy in which the government decides how economic resources will be allocated. Or a society can have a ______ economy in which the decisions of households and firms interacting in markets allocate economic resources.
Centrally Planned, Market
The basis for trade is ____ advantage
Comparative
How do market economies ultimately determine what goods and services are produced, how the goods and services will be produced, and who will receive the goods and services?
Consumers determine what goods and services are produced, firms determine how to produce them, and markets determine who will receive them.
decide(s) what goods and services will be produced.
Consumers, firms, and government
the study of the choices people make to attain their goals, given their scarce resources
Economics
MIT economist Jerry Hausman has estimated the price elasticity of demand for Post Raisin Bran cereal to be -2.5 and the price elasticity of demand for all types of breakfast cereals to be -0.9. The demand for Post Raisin Bran cereal is ____, and the demand for all types of breakfast cereals is _____. Why might the demand for Post Raisin Bran cereal be more elastic than the demand for all types of breakfast cereals? Post Raisin Bran cereal
Elastic, Inelastic is defined more narrowly
A(n) _____ is someone who operates a business, bringing together the factors of production labor, capital, and natural resources to produce goods and services.
Entrepreneur
How do property rights affect externalities and market failure?
Externalities and market failure will result from the difficulty of enforcing property rights.
In England during the Middle Ages, each village had an area of pasture, known as a commons, on which any family in the village was allowed to graze its cows or sheep without charge. Was the common land used optimally?
Grazing created a negative externality, resulting in the commons being overused.
Two key groups participate in markets. A ____ consists of all the individuals in a home. _______are suppliers of goods and services. We can use a simple economic model called the _______ to see how participants in markets are linked.
Household, Firms, Circular-flow Diagram
Consider the market for airplanes. The supply of airplanes over a short period of time (such as a month) is likely to be relatively ________. Over a longer period of time (such as a couple of years), the supply of airplanes will likely become increasingly _____.
Inelastic elastic
Between 1950 and 2006, the price of wheat fell dramatically from $15.81 per bushel to $3.40 per bushel. Suppose between 1950 and 2006, the supply of wheat increased substantially due to increases in productivity, shifting the wheat supply curve to the right. With this supply shift, the amount by which the price of wheat falls will be larger the more _____the demand for wheat. In addition, assume that between 1950 and 2006 the income of the average American increased substantially and that wheat is a normal good. With this increase in income,
Inelastic the amount by which the price of wheat rises will be smaller the lower the income elasticity of wheat
Suppose Dell is currently selling 2,000,000 computers per year. However, managers at Dell are considering whether to increase production by 200,000 computers. One manager explains that after increasing production by this amount, total profit would be $100 million. Given this information, should Dell increase production by 200,000 computers?
Information about the additional revenue earned and the additional cost incurred from producing 200,000 additional computers is required to answer this question
Which of the following covers the study of topics such as inflation or unemployment?
Macroeconomics
Economists use the word marginal to mean an extra or additional benefit or cost of a decision. An optimal decision occurs when
Marginal benefit equals marginal cost
A price ceiling is a legally determined _______price that sellers may charge. A price floor is a legally determined ______price that sellers may receive.
Maximum Minimum
A ____economy is an economy in which most economic decisions result from the interaction of buyers and sellers in markets but in which the government plays a significant role in the allocation of resources.
Mixed
Trade-offs force society to make choices, particularly when answering the following three fundamental questions:
One, what goods and services will be produced? Two, how will the goods and services be produced? Three, who will receive the goods and services produced?
______is concerned with what is, and _______is concerned with what ought to be. Economics is about ______, which measures the costs and benefits of different courses of action.
Positive analysis, normative analysis, postivie analysis
_______ occurs when a good or service is produced at the lowest possible cost. _____ occurs when production is in accordance with consumer preferences.
Productive efficiency, Allocative efficiency
One of the basic facts of life is that people must make choices as they try to attain their goals. This unavoidable fact comes from a reality an economist calls
Scarcity
One of the great benefits of trade is
That it makes it possible for society to become better off by increasing its consumption.
Suppose you own a bookstore where you currently sell 22 John Grisham mystery novels per day at a price of $40 per book. However, if you were to reduce the price to $26, then you would sell 32 John Grisham mystery novels per day.
Using the midpoint formula, what is the price elasticity of demand for John Grisham mystery novels? -0.87 In this price range, the demand for John Grisham mystery books is inelastic
According to the law of demand, there is an inverse relationship between price and quantity demanded. That is, the demand curve for goods and services slopes downward. Why?
When the price of a good increases, consumers' purchasing power falls, and they cannot buy as much of the good as they did prior to the price change
Microsoft charges a price of $599 for a copy of Windows 7. Is this pricing decision rational?
When we assume the managers at Microsoft have used all available information and have weighed all known benefits and costs, we are assuming rationality.
In your economics class, you scored a 62 on the first quiz, a 91 on the second quiz, and an 77 on the third quiz.
Your average quiz grade is 76.7. On the fourth quiz you scored an 82. Did the fourth quiz raise your average? Yes
Consider the consumption of public pasture land. What type of good is public pasture land? Public pasture land is
a common resource
A production possibilities frontier (PPF) is
a curve showing the maximum attainable combinations of two products that may be produced with available resources and current technology
An example of technological change is
a firm rearranging the factory floor to increase production a firm installing faster or more reliable machinery or equipment a hurricane damaging firm faclitities
A black market is
a market in which buying and selling take place at prices that violate government price regulations
Economic efficiency is
a market outcome in which the marginal benefit to consumers of the last unit produced is equal to its marginal cost of production and in which the sum of consumer surplus and producer surplus is at a maximum
A hypothesis in an economic model is
a statement that may be either correct or incorrect about an a economic variable. usually about a causal relationship. tested before it can be accepted (or not rejected).
The primary difference between absolute and comparative advantage is
absolute advantage refers to the ability to produce more of a good or service using the same amount of resources and comparative advantage refers to the ability to produce a good or service at a lower opportunity cost.
In general, the term "ceteris paribus" means
all else equal
What must be true for the Coase Theorem to hold? For the Coase Theorem to hold,
all parties to an agreement must have full information about the costs and benefits of the externality
Economics assumes people and firms:
are rational, respond to incentives, and make decisions by comparing marginal benefits with marginal costs.
Market price is determined by
both supply and demand
Economic surplus in a market is the sum of _____ surplus and _____ surplus. In a competitive market, with many buyers and sellers and no government restrictions, economic surplus is at a _____ when the market is in _____.
consumer producer maximum equilibrium
Suppose Wendy's hamburgers have many close substitutes available. If so, then an increase in the price of Wendy's hamburgers will likely
decrease the quantity of Wendy's hamburgers demanded by a relatively large amount.
Consider firms that introduce new products, such as DVDs in 2001. When firms introduce new products, how do they typically determine the price elasticity of demand for those products? Firms with new products often
estimate price elasticity of demand by experimenting with different prices
To develop a model that will answer economic questions, economists typically:
first make simplifying assumptions, then formulate a hypothesis, test the hypothesis, and finally revise the model if necessary
According to the law of demand,
here is an inverse relationship between price and quantity demanded
In the United States, who receives the goods and services produced depends largely on
how income is distributed
A portion of microeconomics examines:
how individual households make choices, such as how they react to changes in product prices
What goods and services will be produced, how the goods and services will be produced, and who will receive the goods and services are determined
in centrally planned economies by the government in market economies by the decisions of households and firms interacting in markets.
In the circular-flow diagram showing how a market system works,
income flows to in firms through product markets.
Consider the demand for cigarettes. Suppose the government decreases the price of cigarettes by lowering cigarette taxes. How will this affect the demand for cigarettes over time? If the price of cigarettes decreases, then the quantity of cigarettes demanded will
increase, and this effect will likely become larger (in absolute value) over time.
Economics is a social science because
it considers human it behavior particularly decision-making behavior. it is based on studying the actions of individuals. it applies the scientific method to the study of the interactions among individuals.
Consider the market for wheat. Suppose that productivity growth increases the supply of wheat. If the demand for wheat is relatively inelastic, then the price of wheat will fall by a relatively ______ amount.
large
Firms choose how to produce the goods and services they sell. In many cases, firms face a trade-off between using more workers or using more machines. For example,
many times in the past several decades, firms may have chosen between a production method in the United States that uses fewer workers and more machines and a production method in China that uses more workers and fewer machines.
Compared to a command and control government approach to reducing pollution, a market-based system of tradable pollution allowances is:
more efficient because polluters that can only reduce pollution at high cost do not and instead buy allowances
Compare the demand for pencils with demand for food. The demand for pencils is likely
more inelastic because pencils tend to represent a smaller fraction of a consumer's budget.
Consumer and producer surplus measure the _____ benefit rather than the _____ benefit.
net total
"Rent controls, government farm programs, and other price ceilings and price floors are bad." This is an example of a
normative statement. The statement is concerned with what should be.
Suppose the production of electricity by a utility generates pollution that harms others. Suppose also that Coase bargaining can occur between the utility and the victims of pollution but that the utility has not been legally liable for the damages from its pollution. How would making the utility legally liable for the damages from its pollution affect pollution reduction? If the electric utility and the people suffering the effects of the utility's pollution can bargain, then making the utility legally liable for the damages from its pollution will
not change the amount of pollution reduction because the marginal benefit and marginal cost of pollution reduction will not change.
The Scottish philosopher Adam Smith argued in 1776 that
prices would do a better job of coordinating the activities of buyers and sellers than guilds could
How might society solve problems associated with externalities and market failure? If an externality is present, resulting in market failure, then
private solutions may reduce or correct market failure
The primary difference between product markets and factor markets is that
product markets are markets for goods, while factor markets are markets for factors of production--labor, capital, natural resources, and entrepreneurial ability
How do externalities in the production of electricity result in market failure? Because of externalities, the market for electricity will
provide too much electricity
Compare the demand for water with the demand for wine. The demand for wine is likely
relatively more elastic because wine is a luxury
When we graph the relationship between two variables, we often want to draw conclusions about whether changes in one variable are causing changes in the other variable. Doing so, however, can lead to incorrect conclusions. Reasons for drawing incorrect conclusions about cause and effect include
reverse causality an omitted variable
Consider a pair of Nike shoes. Is the consumption of Nike shoes rival and excludable? The consumption of Nike shoes is
rival and excludable
Economic models are:
simplified versions of reality designed to analyze "what is" to explain human decision making in any context.
When the government imposes price floors or price ceilings,
some people win, some people lose, and there is a loss of economic efficiency.
The distinction between substitutes and complements is
substitute goods are used for the same purposes while complementary goods are used together
Economist X. M. Gao and two colleagues have estimated that the cross-price elasticity of demand between beer and wine is 0.31. If so, then beer and wine are ____. Gao and colleagues have estimated that the cross-price elasticity of demand between beer and spirits is 0.15. If the price of spirits increases by 10 percent, then the quantity of beer demanded will ____ by _____percent. In addition, Gao and colleagues have estimated the income elasticity of demand for beer to be -0.09. If so, then beer is ______
substitutes, increase, 1.5%, an inferior good
Tax incidence is
the actual division of the burden of tax between buyers and sellers in a market
What information must economists have to estimate the price elasticity of demand? To estimate the price elasticity of demand, economists need to know
the demand curve for a product
Macroeconomics examines:
the economy as a whole, such as how rapidly the economy grows.
Equity
the fair distribution of economic benefits
Suppose a common resource--wood in a public forest--is being overused because residents consider the benefits of gaining firewood or wood for building but do not account for the cost of deforestation when chopping down trees. What could be done to prevent wood in the forest from being overused? To prevent overuse of the common resource,
the government could impose restriction on access to wood in the forest
Opportunity cost
the highest valued alternative that must be give up to engage in an activity
In a free market, the actions people take are largely determined by
the motivation of financial reward
Which of the following is a primary determinant of the price elasticity of supply? The price elasticity of supply is affected by _____ In particular, the supply curve for a particular product will be increasingly more elastic over a ____ period of time.
the passage of time longer
How is the price elasticity of demand measured? The price elasticity of demand is measured as
the percentage change in the quantity demanded divided by the percentage change in price
When the federal government crafts environmental policies that make it less expensive for firms to follow green initiatives
the policies are consistent with economic incentives.
How do externalities affect markets? If a positive externality in consumption is present in a market, then
the private benefit from consumption will be different than the social benefit from consumption.
In economics, the best definition of technology is ____ Further, positive technological change is defined as _____
the process a firm uses to turn inputs into outputs being able to produce more output using the same inputs and being able to produce the same output using fewer inputs
What is technology? Technology is ___ An example of technological change is ____
the processes a firm uses to turn inputs into outputs of goods and services being able to produce more output using the same inputs and being able to produce the same output using fewer inputs and a decline in the quantity of output that can be produced from a given quantity of inputs
Property rights are
the rights individuals or firms have to the exclusive use of their property, including the right to buy or sell it.
Over the past 30 years, the price of oil has been relatively unstable, fluctuating between $11.00 and well over $100 per barrel. Which of the following potentially contributes to oil-price instability? Oil prices are relatively unstable because
the supply of oil is inelastic
Suppose a professional basketball game is to be played at a downtown urban arena, which increases demand for parking on the night of the game. If the urban area has limited ability to create additional parking during periods of peak demand, then
the supply of parking will be more inelastic and the price of parking will increase by a relatively large amount the night of the game
Which of the following is an example of a transaction cost associated with negotiating the reduction of a negative externality? An example of a transaction cost is _____ How might transaction costs affect private solutions to externality problems? Transaction costs _______
the time required to negotiate an agreement to reduce a negative externality may make private solutions to reduce negative externalities no longer feasible
According to the law of supply
there is a positive relationship between price and quantity supplied as the price of a product increases, firms will supply more of it to the market
Any model is based on making assumptions because
we cannot analyze an economic issue unless we reduce its complexity models have to be simplified to be useful
The distinction between a normal and an inferior good is
when income increases, demand for a normal good increases while demand for an inferior good falls.
A free market exists
when the government places few restrictions on how a good or a service can be produced or sold or on how a factor of production can be employed.
Which of the following shows a negative nonlinear relationship? (assume values of x greater than 0)
y=12/x
Consider the following statement: "An increase in supply decreases the equilibrium price. The decrease in price increases demand." The statement is
false: decreases in price affect the quantity demanded, not demand