Environmental Economics
Test Practice Questions And
Correct Answers (Verified
Answers) Plus Rationales
2026 Q&A | Instant
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1. Environmental economics primarily studies:
A. Stock market behavior
B. Human resource management
C. The interaction between economic activity and the
environment
D. International diplomacy
Answer: C. The interaction between economic activity and
the environment
Rationale: Environmental economics examines how economic
decisions affect natural resources and environmental quality.
2. An externality occurs when:
,A. Prices rise rapidly
B. A third party is affected by an economic transaction
C. Supply equals demand
D. Inflation decreases
Answer: B. A third party is affected by an economic
transaction
Rationale: Externalities are costs or benefits imposed on
people who are not directly involved in a transaction.
3. Air pollution produced by factories is an example of:
A. Positive externality
B. Public good
C. Negative externality
D. Merit good
Answer: C. Negative externality
Rationale: Pollution imposes costs on society without
compensation.
4. Which is an example of a positive externality?
A. Water contamination
B. Noise pollution
C. Planting trees that improve neighborhood air quality
D. Illegal dumping
Answer: C. Planting trees that improve neighborhood air
quality
,Rationale: Others benefit from cleaner air without paying for
it.
5. A public good is:
A. Rival and excludable
B. Rival but non-excludable
C. Excludable but non-rival
D. Non-rival and non-excludable
Answer: D. Non-rival and non-excludable
Rationale: Public goods can be consumed by everyone
without reducing availability.
6. Clean air is generally considered:
A. Private good
B. Club good
C. Public good
D. Luxury good
Answer: C. Public good
Rationale: Everyone benefits from clean air, and individuals
cannot easily be excluded.
7. Which policy directly taxes pollution?
A. Subsidy
B. Quota
, C. Pigouvian tax
D. Price ceiling
Answer: C. Pigouvian tax
Rationale: Pigouvian taxes make polluters pay for external
costs.
8. A Pigouvian tax aims to:
A. Increase inflation
B. Reduce unemployment
C. Internalize external costs
D. Eliminate competition
Answer: C. Internalize external costs
Rationale: It aligns private costs with social costs.
9. Carbon taxes are designed to reduce:
A. Imports
B. Exports
C. Greenhouse gas emissions
D. Interest rates
Answer: C. Greenhouse gas emissions
Rationale: Carbon taxes increase the cost of emitting carbon
dioxide.
10. Cap-and-trade systems establish:
Test Practice Questions And
Correct Answers (Verified
Answers) Plus Rationales
2026 Q&A | Instant
Download Pdf
1. Environmental economics primarily studies:
A. Stock market behavior
B. Human resource management
C. The interaction between economic activity and the
environment
D. International diplomacy
Answer: C. The interaction between economic activity and
the environment
Rationale: Environmental economics examines how economic
decisions affect natural resources and environmental quality.
2. An externality occurs when:
,A. Prices rise rapidly
B. A third party is affected by an economic transaction
C. Supply equals demand
D. Inflation decreases
Answer: B. A third party is affected by an economic
transaction
Rationale: Externalities are costs or benefits imposed on
people who are not directly involved in a transaction.
3. Air pollution produced by factories is an example of:
A. Positive externality
B. Public good
C. Negative externality
D. Merit good
Answer: C. Negative externality
Rationale: Pollution imposes costs on society without
compensation.
4. Which is an example of a positive externality?
A. Water contamination
B. Noise pollution
C. Planting trees that improve neighborhood air quality
D. Illegal dumping
Answer: C. Planting trees that improve neighborhood air
quality
,Rationale: Others benefit from cleaner air without paying for
it.
5. A public good is:
A. Rival and excludable
B. Rival but non-excludable
C. Excludable but non-rival
D. Non-rival and non-excludable
Answer: D. Non-rival and non-excludable
Rationale: Public goods can be consumed by everyone
without reducing availability.
6. Clean air is generally considered:
A. Private good
B. Club good
C. Public good
D. Luxury good
Answer: C. Public good
Rationale: Everyone benefits from clean air, and individuals
cannot easily be excluded.
7. Which policy directly taxes pollution?
A. Subsidy
B. Quota
, C. Pigouvian tax
D. Price ceiling
Answer: C. Pigouvian tax
Rationale: Pigouvian taxes make polluters pay for external
costs.
8. A Pigouvian tax aims to:
A. Increase inflation
B. Reduce unemployment
C. Internalize external costs
D. Eliminate competition
Answer: C. Internalize external costs
Rationale: It aligns private costs with social costs.
9. Carbon taxes are designed to reduce:
A. Imports
B. Exports
C. Greenhouse gas emissions
D. Interest rates
Answer: C. Greenhouse gas emissions
Rationale: Carbon taxes increase the cost of emitting carbon
dioxide.
10. Cap-and-trade systems establish:
