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the claim

Simultaneous rightward shifts in supply and demand curves increase equilibrium quantity.

the verdict
COMMON KNOWLEDGE
Legacy classification; evidence review pending
Recorded sources
no sources on either side

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Is it true that simultaneous rightward shifts in supply and demand curves increase equilibrium quantity?

This claim is a fundamental definition in microeconomic theory concerning the interaction of supply and demand curves, and no citation is needed.

Verdict: COMMON KNOWLEDGE · 0 sources for, 0 against · Last checked

The analysis

The claim states a standard comparative-static theorem from elementary economics (simultaneous rightward shifts in both supply and demand unambiguously increase the equilibrium quantity). Because this is a direct, axiomatic deduction from standard economic models of supply and demand rather than an empirical hypothesis debated in the literature, it represents common economic knowledge and does not require empirical papers for verification.

What does the evidence say?

The claim states a standard comparative-static theorem from elementary economics (simultaneous rightward shifts in both supply and demand unambiguously increase the equilibrium quantity). Because this is a direct, axiomatic deduction from standard economic models of supply and demand rather than an empirical hypothesis debated in the literature, it represents common economic knowledge and does not require empirical papers for verification.

Receipt History
first checked04 Aug 2026
judged → COMMON KNOWLEDGE · 9504 Aug 2026
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