Roberto and Thomas share a university dorm room. Roberto enjoys playing loud music, valuing it at €100, while Thomas prefers silence, valuing peace at €150. Assuming Roberto has the legal right to play loud music and there are no costs involved in negotiation, which of the following best describes an efficient outcome to this externality issue?

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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Choose the correct answer

Explanation

Since Roberto has the right to play loud music, Thomas can negotiate by paying Roberto an amount between €100 (Roberto's valuation) and €150 (Thomas's valuation) to persuade him to stop playing music. This payment makes Roberto better off by compensating for his loss, and Thomas gains by enjoying quiet, resulting in an efficient solution where Roberto ceases playing loud music.

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