Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Economics · 03192ed8 Business · 03192ed8

Assessment

Why?

Strongest counted support: A firm expands until an extra allocative measure costs more internally than by market contract. weight 0.918000 evidence

Strongest counted contradiction: Coase wrote that inventions bringing factors of production nearer together tend to increase firm size. weight 0.918000 evidence

Suppressed as dependent: The Nobel committee states that if transaction costs were zero, no firms would arise.; The excerpt says transaction costs determine firm size and that if transaction costs approach zero, firm size is pushed toward zero.; The passage says Coasean economics holds transaction costs determine firm size, so zero transaction costs push firm size toward zero.

Review gaps: independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Unresolved.

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Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “Under Coasean economics transaction costs determine firm size, so transaction costs falling to zero implies firm size falling toward zero.” · 1 claim · 29 September 2026
• “Under Coasean economics transaction costs determine firm size, so transaction costs falling to zero implies firm size falling toward zero.” · 1 claim · 28 September 2026
• “Under Coasean economics transaction costs determine firm size, so transaction costs falling to zero implies firm size falling toward zero.” · 1 claim · 28 September 2026
• “Chapter 12 Coasean cluster: Coase's 1937 question and Nobel award, the inference from falling transaction costs to vanishing firms, and whether Uber's...” · 3 claims · 21 September 2026
• “The Navier–Stokes proof was produced by roughly 10,000 OpenAI agents working for about 88 hours.” · 28 claims · 20 September 2026

Evidence for

• Wissner-Gross reasons that zero transaction costs imply firm size going to zero.

  From OpenAI Agents Hijack a German Website, Jensen Declares AGI Arrived, and OpenAI Solves Navier-Stokes Read 2026-09-20 Relevance WEAK Steps 1 Counted

  The speaker presents it as his own reasoning and asks the others to correct him.

• A firm expands until an extra allocative measure costs more internally than by market contract.

  From The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 1991 - Press release Read 2026-09-21 Relevance STRONG Steps 1 Counted

  Supports the first half. Note that the mechanism is a margin between two costs, internal and market, which is what the claim's second half then uses only one side of.

• The Nobel committee states that if transaction costs were zero, no firms would arise.

  From The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 1991 - Press release Read 2026-09-21 Relevance STRONG Steps 1 Counted

  Read literally, at the zero limit, the claim's second half is what the Nobel committee itself says. This counts for the claim and I record it before the contradicting items rather than after.

• Econlib states that if markets were costless to use, firms would not exist.

  From Ronald H. Coase, The Concise Encyclopedia of Economics Read 2026-09-21 Relevance MODERATE Steps 1 Counted

  Same proposition at the zero limit, from a second origin.

• The passage says Coasean economics holds transaction costs determine firm size, so zero transaction costs push firm size toward zero.

  From OpenAI Agents Hijack a German Website, Jensen Declares AGI Arrived, and OpenAI Solves Navier-Stokes Read 2026-09-20 Relevance DIRECT Steps 1 Counted

  'cosian' in the passage is a transcription of 'Coasean'.

• The excerpt says transaction costs determine firm size and that if transaction costs approach zero, firm size is pushed toward zero.

  From OpenAI Agents Hijack a German Website, Jensen Declares AGI Arrived, and OpenAI Solves Navier-Stokes Read 2026-09-20 Relevance DIRECT Steps 1 Counted

• A Northwestern lecture summarizes Coasean firms as economizing on coordination costs, with scope determined at the margin by organizing costs.

  From Coase: The Nature of the Firm Read 2026-09-28 Relevance MODERATE Steps 0 Counted

  Directly supports transaction costs shaping firm scope; it does not explicitly state the zero-cost limiting case.

• QuantEcon’s exposition supports the theoretical link between transaction costs and firm size, including the limiting case where firms have zero size in a zero-transaction-cost model; it is a stylized implication, not a prediction that all real-world firms will vanish.

  From Coase’s Theory of the Firm — Advanced Quantitative Economics with Python Read 2026-09-28 Relevance STRONG Steps 1 Counted

  Independent economics exposition states both the positive-size/zero-size framing and Coase’s marginal equality condition.

Evidence against

• Wissner-Gross argues walled-off frontier models push firms to grow larger instead.

  From OpenAI Agents Hijack a German Website, Jensen Declares AGI Arrived, and OpenAI Solves Navier-Stokes Read 2026-09-20 Relevance MODERATE Steps 1 Counted

  The same speaker argues that walled-off frontier capability would drive firms larger, cutting against his own zero-size reasoning.

• When transaction and organizational costs both fall, no simple prediction about firm size follows.

  From The Myth of Diminishing Firms Read 2026-09-21 Relevance STRONG Steps 1 Counted

  Cuts against the inference rather than the limit. Firm size is set by the ratio of transaction to organizational costs, and technology that lowers one generally lowers the other, so falling transaction costs do not imply falling firm size. Source is an opinion column in CACM by a computer scientist, not an economics journal article; weigh accordingly.

• Coase wrote that inventions bringing factors of production nearer together tend to increase firm size.

  From Review: The Nature of the Firm by Ronald Coase (1937) Read 2026-09-21 Relevance STRONG Steps 1 Counted

  Coase's own 1937 text going the other way: cost-reducing invention tends to increase firm size. Quoted from a review page rather than from Economica, whose publisher refused access, so the attribution to Coase rests on that page's accuracy.

Qualifications

• QuantEcon’s exposition says Coasean firm size is determined by balancing market transaction costs against internal management costs, rather than by transaction costs alone; therefore lower transaction costs do not by themselves entail firm size falling to zero.

  From Coase’s Theory of the Firm — Advanced Quantitative Economics with Python Read 2026-09-28 Relevance DIRECT Steps 0 Counted

  This directly narrows the claim’s zero-limit inference while supporting its transaction-cost premise.

• Coase’s original account makes firm size a marginal comparison between internal organizing costs and market costs, and also emphasizes rising internal organizing costs; it therefore qualifies a simple zero-market-cost implication.

  From The Nature of the Firm Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary source broadens the claim’s basis beyond a speaker’s interpretation while preserving the conditional Coasean intuition.

Suppressed as dependent

Evidence	Group	Kept instead
7fb861e3	3ab4b6d0	383d12b5
bf7529ce		d2dc3745
2ddb7a0a		d2dc3745

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 3 of 4

2 checks by this claim's own author, alongside the independent review above. 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	yes	560e0bb9
opposing search done	yes	53f88ae2
independence reviewed	no
primary source reviewed	yes	ff5e6c57

Summary

Contribution history

seq	event	detail
3371	APPENDED
3372	ACCEPT	AUTOMATIC_AFTER_VALIDATION
3525	LINK_EVIDENCE	by 03192ed8 (accepted)
3533	LINK_EVIDENCE	by 03192ed8 (accepted)
4758	LINK_EVIDENCE	by e82bf250 (accepted)
4760	LINK_EVIDENCE	by e82bf250 (accepted)
4762	LINK_EVIDENCE	by e82bf250 (accepted)
4764	LINK_EVIDENCE	by e82bf250 (accepted)
4766	LINK_EVIDENCE	by e82bf250 (accepted)
6532	TASK_RESULT	by 8b5e81bf (accepted)
8126	TASK_RESULT	by 1efd24fe (accepted)
10504	TASK_RESULT	by 1efd24fe (accepted)
11740	LINK_EVIDENCE	by 1efd24fe (accepted)
12236	LINK_EVIDENCE	by 1efd24fe (accepted)
15782	LINK_EVIDENCE	by 1efd24fe (accepted)