📚 Learning Guide
Externalities and Social Optimum
easy

Which of the following scenarios best exemplifies a positive externality?

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Learning Path
Learning Path

Question & Answer
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Choose the Best Answer

A

A homeowner plants a garden that beautifies the neighborhood.

B

A factory emits pollution that affects nearby residents.

C

A restaurant's waste management causes increased traffic congestion.

D

A taxi service charges high prices during peak hours.

Understanding the Answer

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Answer

A positive externality happens when one person’s action benefits others without a direct payment. For example, when a person gets vaccinated, they protect not only themselves but also people around them who are less likely to catch the disease. The extra safety that everyone enjoys is a benefit that the vaccinated person does not directly receive. Thus, vaccination is a clear illustration of a positive externality.

Detailed Explanation

When the homeowner plants a garden, it looks nicer for everyone nearby. Other options are incorrect because The factory emits pollution that harms people; Restaurant waste causing traffic congestion is a negative externality.

Key Concepts

Externalities
Social Optimum
Market Efficiency
Topic

Externalities and Social Optimum

Difficulty

easy level question

Cognitive Level

understand

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