Chapter 4 – Microeconomics

20 April 2023
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What two conditions must hold for a competitive market to produce efficient outcomes?
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Supply curves must reflect all costs of production, and demand curves must reflect consumers' full willingness to pay.
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If the demand curve reflects consumers' full willingness to pay, and the supply curve reflects all costs of production, then...
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The benefit surpluses shared between consumers and producers will be maximized.
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Producer surplus:
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Is the difference between the minimum prices producers are willing to accept for a product and the higher equilibrium price.
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Jennifer buys a piece of costume jewelry for $33 for which she was willing to pay $42. The minimum acceptable price to the seller, Nathan, was $30. Jennifer experiences:
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a consumer surplus of $9 and Nathan experiences a producer surplus of $3.
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Amanda buys a ruby for $330 for which she was willing to pay $340. The minimum acceptable price to the seller, Tony, was $140. Amanda experiences:
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a consumer surplus of $10 and Tony experiences a producer surplus of $190.
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Allocative efficiency occurs only at that output where:
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the combined amounts of consumer surplus and producer surplus are maximized.
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An efficiency loss (or deadweight loss):
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is measured as the combined loss of consumer surplus and producer surplus.
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Nonrivalry and nonexcludability are the main characteristics of:
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Public goods.
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Which of the following is an example of a public good?
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A weather warning system.
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If one person's consumption of a good does not preclude another's consumption, the good is said to be:
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nonrival in consumption.
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Refer to the diagram in which S is the market supply curve and S1 is a supply curve comprising all costs of production, including external costs. Assume that the number of people affected by these external costs is large. Without government interference, this market will reach:
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an overallocation of resources to this product.
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A positive externality or spillover benefit occurs when:
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the benefits associated with a product exceed those accruing to people who consume it.
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A negative externality or spillover cost occurs when:
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the total cost of producing a good exceeds the costs borne by the producer.
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According to the Coase theorem:
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private individuals can possibly negotiate their own resolution of externality problems, without the need for government intervention.
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The socially optimal amount of pollution abatement occurs where society's marginal:
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benefit of abatement equals its marginal cost of abatement.
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The marginal benefit to society of reducing pollution declines with increases in pollution abatement because of the law of:
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diminishing marginal utility.
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The marginal cost to society of reducing pollution rises with increases in pollution abatement because of the law of:
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diminishing returns.
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Market failure is said to occur whenever:
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private markets do not allocate resources in the most economically desirable way.
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Which of the following is an example of market failure?
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Negative externalities. Positive externalities. Public goods. (((All of these)))
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Demand-side market failures occur when:
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the demand and supply curves don't reflect consumers' full willingness to pay for a good or service.
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People enjoy outdoor holiday lighting displays and would be willing to pay to see these displays but can't be made to pay. Because those who put up lights are unable to charge others to view them, they don't put up as many lights as people would like. This is an example of a:
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demand-side market failure.
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Supply-side market failures occur when:
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the demand and supply curves don't reflect the full cost of producing a good or service.
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When a supply-side market failure occurs, the costs are greater than the benefits for the last unit(s) of output produced.
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True
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Because of the free-rider problem:
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the market demand for a public good is nonexistent or understated.
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At the optimal quantity of a public good:
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marginal benefit equals marginal cost.
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Which of the following is an example of a market failure?
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Successful public schools provide benefits to the students who attend them, as well as to the community as a whole including those who don't go to those public schools
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The value that consumers get (from consuming a product) over and above that they actually paid for the product is called:
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Consumer surplus
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Charlie is willing to pay $10 for a T-shirt that is priced at $9. If Charlie buys the T-shirt, then his consumer surplus is
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$1
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Consumer surplus arises in a market because:
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The market price is below what some consumers are willing to pay for the product
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Which of the following antipollution policies is least likely to make use of cost-benefit analysis?
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Enacting legislation that bans pollution
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An emission fee levied against polluting firms will tend to shift the:
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Supply curve of the firms to the left
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A market for pollution rights can be expected to:
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Provide potential polluters with a monetary incentive to reduce emissions
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Sometimes, public goods whose benefits are less than their costs still get produced because:
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The benefits accrue to politically powerful government officials and their constituents
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What are the two characteristics that differentiate private goods from public goods?
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Rivalry and excludability
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Private firms can hardly produce a public good profitably because of:
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The free-rider problem
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Cost-benefit analysis attempts to:
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compare the benefits and costs associated with any economic project or activity.