Externalities & Government Policy

What is a negative externality of production?

A cost incurred by a third party due to the production of a good, such as pollution from a factory.

What is the impact of an output tax on producer surplus?

An output tax shifts the supply curve, affecting the producer surplus as it is read from the new supply curve.

How does an input tax affect production costs?

An input tax increases the cost of production, shifting the supply curve upward.

What is a cap and trade system?

A market-based approach to controlling pollution by providing economic incentives for reducing emissions.

What are tradable permits?

Permits that allow firms to emit a certain amount of pollution, which can be bought and sold in the market.

What is the main advantage of a cap and trade system over a tax?

It allows the market to determine the most efficient allocation of pollution permits.

What conditions make command and control regulations effective?

When the solution is well-known and strong compliance is required for success.

What characterizes pure public goods?

They are non-excludable and non-rival, meaning they cannot be withheld from anyone and one person's use does not diminish availability to others.

How is the marginal social benefit (MSB) calculated for public goods?

By summing the individual demand curves of all consumers to determine the total benefit to society.

What is the socially desirable quantity of a public good?

The quantity where the total marginal social benefit equals the marginal cost of providing the good.

What happens when the marginal cost exceeds the marginal benefit in public goods provision?

The good should not be provided as it does not create net benefits for society.

What is deadweight loss (DWL)?

The loss of economic efficiency that occurs when the equilibrium outcome is not achievable or not achieved.

What is the relationship between consumer price and producer price in a cap and trade system?

The producer price received is equal to the consumer price paid when permits are given for free.

How does a reduction in quantity affect prices in a cap and trade system?

As quantity decreases, the price consumers are willing to pay increases, reflecting a movement back up the demand curve.

What is the role of government in providing public goods?

The government provides public goods as long as the total marginal benefit exceeds the total cost.

What is the difference between a carbon tax and a cap and trade system?

A carbon tax sets a price on carbon emissions, while cap and trade sets a limit on emissions and allows trading of permits.

What is the optimal quantity of a public good?

The quantity where the marginal social benefit equals the marginal cost.

How do firms respond to output taxes regarding pollution reduction?

Firms may lack incentive to invest in cleaner technologies since they pay the same tax regardless of their pollution levels.

How do tradable permits incentivize pollution reduction?

They create a market for pollution rights, encouraging firms to reduce emissions to sell excess permits.