What effect does a positive externality have on the social value curve compared to the private demand curve for a good?

Externality & Internality MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Externality & Internalityeconomics-mcqs › externality-internality
Published
1 Jun 2019
Last updated
28 May 2026

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Explanation

A positive externality increases the overall benefit to society beyond the private benefit received by consumers. This means the social value curve lies above the private demand curve, reflecting the additional value external to the buyer.

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