trustme.bro/r/…
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here is the receipt.
the claim
Average cost equals marginal cost at the minimum of the average cost curve for a monopoly.
the verdict
COMMON KNOWLEDGE
no citation needed for this one
refutedsupported
the weight of evidence
no sources on either side

The claim that average cost equals marginal cost at the minimum of the average cost curve is a standard textbook microeconomic identity that applies regardless of market structure, including monopolies, and does not require a citation.

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The analysis

The claim is a fundamental microeconomic identity true by definition of cost curves and calculus, making it common knowledge. None of the retrieved papers discuss the microeconomic cost curve identity regarding average and marginal cost minima; they focus on unrelated topics like energy economics, health, and policy.

Everything we examined (12)
We also searched for evidence AGAINST this claim, not only for it.
  1. Cost minimization for fully renewable electricity systems: A Mauritius case studypeer-reviewedno side takennot shown: read and judged not to bear on this claim
  2. A dual mode distributed economic control for a fuel cell– photovoltaic-battery hybrid power generation system based on marginal costpeer-reviewedno side takennot shown: read and judged not to bear on this claim
  3. Marginal assessment of the cost and benefits of aphasia treatment: Evidence from community-based telerehabilitation treatment for aphasiapeer-reviewedno side takennot shown: read and judged not to bear on this claim
  4. Monopoly pricing with dual‐capacity constraintspeer-reviewedno side takennot shown: read and judged not to bear on this claim
  5. Effects of Deregulation and Vertical Unbundling on the Performance of China's Electricity Generation Sector.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  6. Innovation concentration in knowledge network.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  7. Motor Vehicle Registration Taxes (MVRT) across EU countries: MNEs' profitability and the role of market concentration.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  8. The Great Lockdown and the Big Stimulus: Tracing the Pandemic Possibility Frontier for the U.S.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  9. Dynamics of Networks and Regret and Their Implications for Competition Policy and Law and Related 'Wicked' Regulatory Challenges, Puzzles, and Paradoxes Now and in the Futurepeer-reviewedno side takennot shown: read and judged not to bear on this claim
  10. Proceedings of the International Conference European Union’s History, Culture and Citizenship, 13th Edition, 2021peer-reviewedno side takennot shown: read and judged not to bear on this claim
  11. An advanced reliability reserve incentivizes flexibility investments while safeguarding the electricity market.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  12. Gradual introduction of carbon allowance auctions facilitates sustainable emission reductions in the power sector.peer-reviewedno side takennot shown: read and judged not to bear on this claim
The paper trail · every fact has a biography
first checked06 Aug 2026
judged → COMMON KNOWLEDGE · 006 Aug 2026
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