What does this research mean for the field?

Corporate tax cuts increase firm investment, sales, profits, and employment, but the resulting earnings gains are highly unequal, with 87% of short-term private income gains flowing to the top 10% of the income distribution. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the causal effects of the largest corporate income tax cut in U.S. history on firm performance, overall employment, and the distribution of workers' earnings.

August 30, 2026American Economic ReviewOpen Access

Corporate Tax Cuts, Firm Growth, and Workers' Earnings

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To evaluate the causal effects of the largest corporate income tax cut in U.S. history on firm performance, overall employment, and the distribution of workers' earnings.
Analyzed employer-employee matched administrative tax records across United States firms and workers.
Employed an event study framework comparing similarly sized firms within identical industries that experienced divergent tax changes due to pre-existing legal status.
Corporate tax cuts generated marked increases in business investment, sales, corporate profits, total employment, and overall payrolls.
Wage increases were heavily concentrated among highly paid employees, with 87% of private income gains flowing to the top 10% of the income distribution in the short run.

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Implication

Quasi-experimental analysis reveals that corporate tax cuts boost firm growth but skew earnings to top earners, indicating highly unequal short-run income distribution gains.

Cite This Study

Kennedy et al. (2026) studied this question.

synapsesocial.com/papers/6a93efc06c1a8fb52e79bc54 https://doi.org/10.1257/aer.20240404

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Implication

Quasi-experimental analysis reveals that corporate tax cuts boost firm growth but skew earnings to top earners, indicating highly unequal short-run income distribution gains.

Corporate Tax Cuts, Firm Growth, and Workers' Earnings

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Discussion

Implication

Cite This Study

Corporate Tax Cuts, Firm Growth, and Workers' Earnings

Key Points

Discussion

Implication

Cite This Study

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