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the claim

Labour unions raise wages for their members.

the verdict
INSUFFICIENT LEANING
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that labour unions raise wages for their members?

Unclear. The evidence only partially covers the claim: a US study reports a regression-adjusted union wage premium that has been shrinking, and two early-1900s newspaper items describe union efforts or expectations to raise wages. None measures the general effect of unions on members' wages.

Verdict: PARTIAL LEAN · 3 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 3
Unions, wages and hours
2024
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Blanchflower, D. G. & Bryson, A. (2024). Unions, wages and hours. nber.org. https://www.nber.org/papers/w32471

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More for · 2
The Labour Unions and the Farmers. (Ashburton Guardian, 16 July 1901)
1901
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The Labour Unions and the Farmers. (Ashburton Guardian, 16 July 1901). (1901). paperspast.natlib.govt.nz. https://paperspast.natlib.govt.nz/newspapers/AG19010716.2.30

JAPANESE LABOUR UNIONS (Evening Post, 23 October 1916)
1916
Get citation
JAPANESE LABOUR UNIONS (Evening Post, 23 October 1916). (1916). paperspast.natlib.govt.nz. https://paperspast.natlib.govt.nz/newspapers/EP19161023.2.83.3

Receipt History
held for human review17 Oct 2026
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