Question 1

In the paper-water economy, which of the following is not a condition for Pareto optimality?

Accepted Answer

Pareto optimality requires that the allocation of resources cannot be improved for at least one individual without making any other individual worse off. The conditions for Pareto optimality in the paper-water economy are that the MRS (Marginal Rate of Substitution) of paper for water is the same for each agent in the society, and the MRS of water and paper must equal the MRTS (Marginal Rate of Transformation) of water for paper. The MRTS of the paper mill being greater than the MRTS of the water treatment plant is not a condition for Pareto optimality.

Question 2

Because of externalities, the competitive market determines the ________ set of prices

Accepted Answer

Externalities cause markets to allocate resources inefficiently, leading to a situation where the market-determined prices and quantities do not reflect the true social costs or benefits, hence the "wrong" set of prices from a societal perspective.

Question 3

Private marginal cost is cost excluding externalities.

Accepted Answer

Private marginal cost refers to the cost incurred by producers in producing an additional unit of a good or service, which excludes any external costs or benefits that may be incurred by third parties. Therefore, it only takes into account the internal costs of production and not any externalities.

Question 4

Externalities consist of

Accepted Answer

Externalities can be either positive or negative, meaning that they can produce both costs and benefits for individuals or society as a whole. For example, air pollution generated by a factory creates a negative externality imposing costs on society in terms of increased health problems, but the factory's production of goods also generates revenue and employment, producing a positive externality.

Question 5

In the presence of externalities, the private competitive market will achieve the socially optimal solution on its own.

Accepted Answer

The presence of externalities, such as pollution or congestion, means that the costs or benefits of a transaction are not fully reflected in the prices paid by the buyer and seller. As a result, the market may not achieve the socially optimal solution on its own, as individuals may make decisions that benefit themselves but harm society as a whole. Some form of government intervention, such as taxation or regulation, may be necessary to address externalities and achieve a socially optimal outcome.

Question 6

The only way for a society to solve an externality problem is through some sort of government intervention.

Accepted Answer

Externalities can also be addressed through private bargaining (as per the Coase Theorem), voluntary agreements, or the creation of markets for externalities (such as cap-and-trade systems for pollution) without direct government intervention.

Question 7

Because the cost of the paper mill dumping waste in the river has no direct effect on the mill, the cost is ___________ to the paper mill.

Accepted Answer

When the cost of dumping waste into the river affects parties outside the mill's control or influence, it is considered an external cost. This is because the cost does not affect the mill directly or internally.

Question 8

Marketable permits comprise a system for a government to intervene in a market with externalities in order to reduce their effects by levying charges on the agents causing the externality in order to force them to reduce the externality to the acceptable level.

Accepted Answer

Marketable permits, also known as cap-and-trade systems, involve setting a limit on pollution and allowing companies to buy, sell, or trade permits to emit a certain amount of pollution, rather than directly levying charges on agents causing the externality.

Question 9

In markets with externalities, if property rights are assigned unambiguously and if the parties involved can negotiate costlessly, then the Coase theorem suggests that the parties will never arrive at a Pareto-optimal outcome unless the government intervenes.

Accepted Answer

The Coase theorem suggests that even in the presence of externalities, a Pareto-optimal outcome can be reached through negotiation and assigning property rights, without government intervention, as long as transaction costs are low. However, in reality, transaction costs may make negotiations difficult or impossible, leading to suboptimal outcomes.

Question 10

By reducing the costs imposed on the water treatment plant by the externality, the plant can

Accepted Answer

By reducing the costs imposed on the water treatment plant by the externalities, the plant can produce more water without hurting the paper mill's revenues. This allows the plant to compensate the mill for any lost revenues and still increase their own output. Choosing option B would only harm the paper mill, and option C would decrease the plant's output and potentially harm the community that relies on the water supply. Therefore, option A is the best choice.

Question 11

If a market has two polluting firms that have different abilities to reduce pollution, then across-the-board cuts in waste are not the most efficient solution.

Accepted Answer

The firms with lower ability to reduce pollution will bear a greater burden of the cuts and may even go out of business, while the firms with greater ability may not be fully optimizing their pollution reduction potential. A more efficient solution would be to set differentiated pollution quotas that take into account each firm's ability to reduce pollution.

Question 12

Because the market does not take into account the costs imposed on water treatment by the paper mill, the economy will not satisfy the Pareto-optimal condition that the marginal rate of substitution of paper for water must be the same for each individual in the society.

Accepted Answer

The answer of Because the market does not take into...

Question 13

An externality can lead to

Accepted Answer

An externality is a cost or benefit that affects a party who did not choose to incur that cost or benefit. It can lead to market failure as the price mechanism in a free market does not take into account the external costs or benefits, and can lead to an inefficient outcome for society as a whole. Therefore, both answers are correct.

Question 14

Marketable pollution permits are a method of government intervention to prevent externalities whereby a government-issued permit allows a firm to pollute the environment up to the firm's private marginal cost.

Accepted Answer

Marketable pollution permits allow firms to emit a certain amount of pollution and can be bought and sold among firms, but they do not allow pollution up to a firm's private marginal cost. Instead, they aim to reduce overall pollution in a cost-effective manner by allocating a limited number of permits for a certain level of total pollution.

Question 15

In the absence of any intervention, a paper mill ___________ take the external cost created by its wastes into account when making its production decisions.

Accepted Answer

In the absence of any intervention, the paper mill does not take the external cost created by its wastes into account when making its production decisions.

Question 16

To take into account the full marginal cost of producing paper, we must look at the social marginal rate of

Accepted Answer

The full marginal cost of producing paper includes not only the direct costs, but also the social costs associated with the transformation of natural resources into paper. This includes the environmental impacts, such as deforestation and pollution. Therefore, we must look at the social marginal rate of transformation, which takes these external costs into account. Choices A and C are not relevant in this context.

Question 17

Any cost or benefit generated by one agent in its production or consumption activities but affecting another agent in the economy is known as an externality.

Accepted Answer

This is the definition of an externality, as it refers to a cost or benefit that spills over from one agent to another in the economy.

Question 18

To prove that an outcome is not Pareto optimal, we need to find a new outcome that will make at least one agent _________ off without making any other agent _________ off.

Accepted Answer

To prove that an outcome is not Pareto optimal, we need to find a new outcome that will make at least one agent better off without making any other agent worse off.

Question 19

Pigouvian taxes are government taxes that tax the party causing an externality by an amount equal to the externality.

Accepted Answer

Pigouvian taxes are designed to correct negative externalities, such as pollution. By taxing the party causing the externality, the government can make it more expensive to engage in the activity and incentivize them to reduce their negative impact on society. This helps to create a more efficient and sustainable allocation of resources.

Question 20

An externality arises because of one agent's

Accepted Answer

An externality can arise from both consumption or production activities of an economic agent. When the production or consumption of a good or service affects the well-being of a third party who is not directly involved in the transaction, then an externality occurs. Therefore, choice B is correct. Choices A and C are incorrect as they assert that externality arises only from consumption or production activities, respectively, which is not true.

Quiz 24: Externalities: the Free Market Interventionist Battle Continues