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the claim

An income tax reduces work incentives.

the verdict
CONTESTED PARTIAL
Recorded sources
5 sources for · 1 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 an income tax reduces work incentives?

Partly. A literature review reports that progressive income tax can reduce labor participation, mainly among high-income earners, and microsimulation studies find fiscal drag and tax-benefit design weaken some work incentives in specific countries. A reference work counters that marginal rate cuts had little incentive effect, so the evidence covers only narrower, context-specific versions of the claim.

Verdict: CONTESTED PARTIAL · 5 sources for, 1 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 · 5
Income Tax and Work Incentives: A Literature Review
2023
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Muslim, M. (2023). Income Tax and Work Incentives: A Literature Review. doi.org. https://doi.org/10.60079/atr.v1i3.480

Evidence against · 1
Definition & Reality in the General Theory of Political Economy
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Definition & Reality in the General Theory of Political Economy. (n.d.). gutenberg.org. https://www.gutenberg.org/ebooks/15939

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More for · 4
The effect of fiscal drag on income distribution and work incentives: A microsimulation analysis on selected African countries
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The effect of fiscal drag on income distribution and work incentives: A microsimulation analysis on selected African countries. (n.d.). cir.nii.ac.jp. https://doi.org/10.1111/saje.12375

Making Work Pay: Increasing Labour Supply of Secondary Earners in Low Income Families with Children
2017
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Kurowská, A., Myck, M., & Wrohlich, K. (2017). Making Work Pay: Increasing Labour Supply of Secondary Earners in Low Income Families with Children. doi.org. https://doi.org/10.5709/CE.1897-9254.234

theblackwellencyclopediaofsociology
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theblackwellencyclopediaofsociology. (n.d.). archive.org. https://archive.org/details/theblackwellencyclopediaofsociology

Income Inequality, Tax Policy, and Economic Growth
2015
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Income Inequality, Tax Policy, and Economic Growth. (2015). doi.org. https://doi.org/10.2139/ssrn.2595524

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held for human review17 Oct 2026
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