Skip to content
We use only essential cookies to keep you signed in and remember your preferences. See our Cookie Policy.
TestStop
MocksPracticeResourcesIndiaBlogPricing
Sign in
Questions › UGC-NET › UGC-NET 2025 › Q82
2 marksMicroeconomics › Market failure, externalities and public goods › Externalities and the social optimumModerateabout 1 min

UGC-NET 2025 Question 82: Market failure, externalities and public goods

Which of the following are true in the case of an externality?

A. In the case of an externality, all costs and benefits associated with the good are not internalized by the households and firms involved in buying and production.

B. The presence of an externality results in either under-production or over-production of the good.

C. Market-based decision making yields an efficient outcome in the presence of an externality.

D. In the case of a negative externality, the marginal social cost is higher than the marginal cost.

E. Well-defined property rights can solve the problem of externality. Choose the most appropriate answer from the options given below:

Tap an option to check your answer.

Answer and worked solution

Checking your account…

Market failure, externalities and public goods has come up 114 times in 7 exams since 2006.

What this question tests

This question is on Externalities and the social optimum, part of Market failure, externalities and public goods in Microeconomics.

Costs or benefits that fall on others, and why the private and socially efficient outputs differ.

TestStop has 33 past-paper questions on this subtopic.

Take this paper as a timed mockMore on Externalities and the social optimum

Similar questions from other papers

  • CUET-PG 2026 · Q7The efficient level of output is the level at which price of product is _ marginal social cost (MSC).
  • GATE 2026 · Q32Which one of the following statements regarding externality is TRUE?
  • IIT JAM 2026 · Q19Which one of the following statements is CORRECT in the context of positive consumption externality?
  • UGC-NET 2026 · Q51Key assumptions of Coase theorem are: A. Zero transaction coast and two agents to each bargain B. Competitive market for legal entitlements and perfect knowledge about…
  • CUET-PG 2025 · Q6Which of the following is incorrect about the problem of externalities?

Question from the UGC-NET 2025 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.