Multiple Choice
Which of the following is an example of a public solution to externalities?
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7. Externalities
Public Solutions to Externalities
Multiple Choice
Which of the following is an advantage of government policies such as a carbon tax?
A
They guarantee that pollution will be completely eliminated.
B
They provide an incentive for firms to reduce pollution at the lowest possible cost.
C
They do not affect consumer or producer behavior.
D
They require detailed knowledge of each firm's production process.
Verified step by step guidance1
Understand the purpose of a carbon tax: it is designed to internalize the external cost of pollution by making firms pay a price for emitting carbon, thereby encouraging them to reduce emissions.
Recognize that a carbon tax creates a financial incentive for firms to reduce pollution because reducing emissions lowers their tax burden, motivating cost-effective pollution control.
Analyze why a carbon tax does not guarantee complete elimination of pollution: it sets a price on emissions but does not mandate zero emissions, allowing firms to balance costs and benefits.
Consider the behavioral effects: a carbon tax influences both producers and consumers by changing relative prices, which can lead to changes in production methods and consumption patterns.
Note that a carbon tax does not require detailed knowledge of each firm's production process because it applies a uniform price per unit of pollution, allowing firms to decide how best to reduce emissions.
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