Econ 201 – CH. 4 – 14

31 August 2023
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110 test answers

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A likely example of complementary goods for most people would be
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canoes and paddles
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Buyers are able to buy all they want to buy and sellers are able to sell all they want to sell at
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the equilibrium price but not above or below the equilibrium price
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A likely example of complementary goods for most people would be
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canoes and paddles.
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Buyers are able to buy all they want to buy and sellers are able to sell all they want to sell at
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the equilibrium price but not above or below the equilibrium price.
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A demand schedule is a table that shows the relationship between
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price and quantity demanded
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If a surplus exists in a market, then we know that the actual price is
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above the equilibrium price, and quantity supplied is greater than quantity demanded.
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Equilibrium price must decrease when demand
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decreases and supply does not change, when demand does not change and supply increases, and when demand decreases and supply increases simultaneously.
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An example of a perfectly competitive market would be the market for
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soybeans.
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In a market economy, supply and demand determine
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both the quantity of each good produced and the price at which it is sold.
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A competitive market is one in which there
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are so many buyers and so many sellers that each has a negligible impact on the price of the product.
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A improvement in production technology will shift the
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supply curve to the right.
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The forces that make market economies work are
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supply and demand.
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A good will have a more inelastic demand, the
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broader the definition of the market.
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For which pairs of goods is the cross-price elasticity most likely to be negative?
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peanut butter and jelly
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A perfectly elastic demand implies that
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any rise in price above that represented by the demand curve will result in a quantity demanded of zero.
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An increase in price causes an increase in total revenue when demand is
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inelastic
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As we move downward and to the right along a linear, downward-sloping demand curve
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slope remains constant but elasticity changes.
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A perfectly inelastic demand implies that buyers
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purchase the same amount as before when the price rises or falls
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If sellers do not adjust their quantity supplied at all in response to a change in price, the price elasticity of supply is
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zero, and the supply curve is vertical.
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sellers respond to very small changes in price by adjusting their quantity supplied by extremely large amounts, the price elasticity of supply approaches
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infinity, and the supply curve is horizontal.
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For which pairs of goods is the cross-price elasticity most likely to be positive?
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pens and pencils
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For which of the following goods is the income elasticity of demand likely highest?
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boats.
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A price ceiling is binding when it is set
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below the equilibrium price, causing a shortage.
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A legal maximum on the price at which a good can be sold is called a price
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ceiling.
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A tax imposed on the sellers of a good will lower the
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effective price received by sellers and lower the equilibrium quantity.
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A surplus results when a
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binding price floor is imposed on a market.
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A tax imposed on the buyers of a good will lower the
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effective price received by sellers and lower the equilibrium quantity.
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A tax on sellers will shift the
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supply curve upward by the amount of the tax.
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A tax imposed on the buyers of a good will raise the
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price paid by buyers and lower the equilibrium quantity.
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A minimum wage that is set below a market's equilibrium wage will
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have no impact on employment.
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A minimum wage that is set above a market's equilibrium wage will result in an excess
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supply of labor, that is, unemployment.
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A shortage results when a
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binding price ceiling is imposed on a market.
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Donald produces nails at a cost of $350 per ton. If he sells the nails for $500 per ton, his producer surplus is
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$150.
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If a market is allowed to adjust freely to its equilibrium price and quantity, then an increase in demand will
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increase producer surplus.
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.A demand curve reflects each of the following except the
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ability of buyers to obtain the quantity they desire.
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If the current allocation of resources in the market for hammers is inefficient, then it must be the case that
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the sum of consumer surplus and producer surplus could be increased by moving to a different allocation of resources.
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A consumer's willingness to pay directly measures
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how much a buyer values a good.
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If the United States changed its laws to allow for the legal sale of a kidney, which of the following is likely to occur?
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All of the above are correct: The price of kidneys would rise to balance supply and demand, The gains from trade would make both buyers and sellers better off, Thousands of lives would be saved.
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Inefficiency exists in an economy when a good is
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not being consumed by buyers who value it most highly.
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If the current allocation of resources in the market for wallpaper is efficient, then it must be the case that
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the market for wallpaper is in equilibrium.
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When a buyer's willingness to pay for a good is equal to the price of the good, the
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buyer is indifferent between buying the good and not buying it.
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Suppose there is an early freeze in California that reduces the size of the lemon crop. What happens to consumer surplus in the market for lemons?
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Consumer surplus decreases.
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The higher a country's tax rates, the more likely that country will be
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on the negatively sloped part of the Laffer curve.
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It does not matter whether a tax is levied on the buyers or the sellers of a good because
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buyers and sellers will share the burden of the tax.
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If the tax on a good is doubled, the deadweight loss of the tax
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quadruples.
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Other things equal, the deadweight loss of a tax
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increases as the size of the tax increases, and the increase in the deadweight loss is more rapid than the increase in the size of the tax.
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The Laffer curve illustrates that
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tax revenue first rises, then falls as a tax increases.
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When the government imposes taxes on buyers or sellers of a good, society
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loses some of the benefits of market efficiency.
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If the labor supply curve is nearly vertical, a tax on labor
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has little impact on the amount of work that workers are willing to do.
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A tax levied on the sellers of a good shifts the
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supply curve upward (or to the left).
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Ronald Reagan believed that reducing income tax rates would
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raise economic well-being and perhaps even tax revenue.
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A $2 tax per gallon of paint placed on the buyers of paint will shift the demand curve
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downward by exactly $2.
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A tariff is a
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tax on an imported good.
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An important factor in the decline of the U.S. textile industry over the past 100 or so years is
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foreign competitors that can produce quality textile goods at low cost.
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Opponents of free trade often want the United States to prohibit the import of goods made in overseas factories that pay wages below the U.S. minimum wage. Prohibiting such goods is likely to
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increase poverty in poor countries and benefit U.S. firms which compete with these imports.
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If the United States threatens to impose a tariff on Honduran blueberries if Honduras does not remove agricultural subsidies, the United States will be
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worse off if Honduras doesn't give in to the threat.
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For any country that allows free trade,
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the domestic price is equal to the world price.
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A tariff on a product makes
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domestic sellers better off and domestic buyers worse off.
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Suppose Brazil has an absolute advantage over other countries in producing almonds, but other countries have a comparative advantage over Brazil in producing almonds. If trade in almonds is allowed, Brazil
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will import almonds.
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After a country goes from disallowing trade in coffee with other countries to allowing trade in coffee with other countries...
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the domestic price of coffee will equal the world price of coffee.
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Spain allows trade with the rest of the world. We know that Spain has a comparative advantage in producing olive oil if we know that
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the world price of olive oil is higher than the price of olive oil that would prevail in Spain if trade with other countries were not allowed.
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A quota is
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a limit on the quantity of imports.
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Externalities tend to cause markets to be
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inefficient.
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Abe owns a dog, the dog's barking annoys Abe's neighbor, Jenny. Suppose that the benefit of owning the dog is worth $200 to Abe and that Jenny bears a cost of $400 from the barking. Assuming Abe has the legal right to keep the dog, a possible private solution to this problem is that;
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Jenny pays Abe $300 to give the dog to his parents who live on an isolated farm.
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Dog owners do not bear the full cost of the noise their barking dogs create and often take too few precautions to prevent their dogs from barking. Local governments address this problem by
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making it illegal to "disturb the peace."
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By allowing an income-tax deduction for charitable contributions, the government
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encourages a private solution to a particular positive-externality problem.
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A dentist shares an office building with a radio station. The electrical current from the dentist's drill causes static in the radio broadcast, causing the radio station to lose $10,000 in profits. The radio station could put up a shield at a cost of $30,000
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the dentist could buy a new drill that causes less interference for $6,000. Either would restore the radio station's lost profits. What is the economically efficient outcome?; The dentist gets a new drill; it does not matter who pays for it.
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A cost imposed on someone who is neither the consumer nor the producer is called a
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negative externality.
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Suppose that smoking creates a negative externality. If the government does not interfere in the cigarette market, then
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the equilibrium quantity of cigarettes smoked will be greater than the socially optimal quantity of cigarettes smoked.
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Two types of private solutions to the problem of externalities are
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charities and the Golden Rule.
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With a corrective tax, the supply curve for pollution is
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downward-sloping.
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A corrective tax
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All of the above are correct: imposed on buyers shifts the demand curve to the left, imposed on sellers shifts the supply curve to the left, and can be used to internalize a negative externality.
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Markets do not ensure that the air we breathe is clean because
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property rights are not well established for clean air.
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Elephants are endangered, but cows are not because
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elephants are a common resource, while cows are private goods.
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A cheeseburger is a
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private good, because it is excludable and rival in consumption.
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Which of the following is a disadvantage of government provision of a public good?
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The government lacks information about what people are willing to pay for the good.
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It is common knowledge that many U.S. national parks have become overused. One possible solution to this problem is to
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increase entrance fees.
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If one person's use of a good diminishes another person's enjoyment of it, the good is
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rival in consumption.
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Property rights are well established for
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private goods.
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A city street is
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a common resource when it is congested, but it is a public good when it is not congested.
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A cable television broadcast of a movie is
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excludable and not rival in consumption.
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Adam Smith used a famous example of what type of firm to illustrate economies of scale?
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a pin factory.
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Suppose that a firm's long-run average total costs of producing small commuter jet airplanes increases as it produces between 2,000 and 4,000 airplanes. For this range of output, the firm is experiencing
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diseconomies of scale.
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Economic profit
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will never exceed accounting profit.
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Suppose that a firm's long-run average total costs of producing an individual income tax return is $75 when it produces 1,000 returns and $75 when it produces 1,200 returns. For this range of output, the firm is experiencing
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constant returns to scale.
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For a firm, the production function represents the relationship between
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quantity of inputs and quantity of output.
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A difference between explicit and implicit costs is that
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implicit costs do not require a direct monetary outlay by the firm, whereas explicit costs do.
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If marginal cost is rising
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average variable cost must be falling.
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If Kevin's children run a lemonade stand for a day and sell 200 glasses of lemonade at $0.50 each, their total revenues are
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$100
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Fixed costs can be defined as costs that
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are incurred even if nothing is produced.
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Economists assume that the typical person who starts her own business does so with the intention of
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maximizing profits.
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For any given price, a firm in a competitive market will maximize profit by selecting the level of output at which price intersects the
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marginal cost curve.
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In a market with a fixed number of firms, as long as price is above average
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variable cost, each firm's marginal-cost curve is its supply curve.
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When buyers in a competitive market take the selling price as given, they are said to be
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price takers.
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If a firm in a perfectly competitive market triples the quantity of output sold, then total revenue will
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exactly triple.
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In the short run, a firm operating in a competitive industry will shut down if price is
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less than average variable cost.
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Suppose that in a competitive market the equilibrium price is $2.50. What is marginal revenue for the last unit sold by the typical firm in this market?
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exactly $2.50
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In the long run, a firm will enter a competitive industry if
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All of the above are correct.
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Firms operating in competitive markets produce output levels where marginal revenue equals
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All of the above are correct: total revenue divided by output, average revenue, and price.
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Assume a firm in a competitive industry is producing 800 units of output, and it sells each unit for $6. Its average total cost is $4. Its profit is
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$1,600.
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A monopolist will choose to increase output when
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at the present level of output, marginal revenue exceeds marginal cost.
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With no price discrimination, the monopolist sells every unit at the same price. Therefore
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price is greater than marginal revenue.
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A government-created monopoly arises when
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the government gives a firm the exclusive right to sell some good or service.
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A fundamental source of monopoly market power arises from
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barriers to entry.
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Which of the following statements is correct?
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The demand curve facing a competitive firm is horizontal, whereas the demand curve facing a monopolist is downward sloping.
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If government regulation sets the maximum price for a natural monopoly equal to its marginal cost, then the natural monopolist will
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earn economic losses.
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Many movie theaters allow discount tickets to be sold to senior citizens because
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the theaters are profit maximizers.
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Monopoly profit is not a social problem because
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the size of the economic pie grows when monopoly profits increase.
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A monopoly firm can sell 150 units of output for $10 per unit. Alternatively, it can sell 151 units of output for $9.90 per unit. The marginal revenue of the 151st unit of output is
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-$5.10.
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If a monopolist can sell 7 units when the price is $4 and 8 units when the price is $3, then the marginal revenue of selling the eighth unit is equal to
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-$4.