The corporate tax rate really matters
The corporate tax rate has a significant impact on economic growth, particularly through its effect on GDP per capita. A recent study highlights that improvements in corporate tax competitiveness are strongly linked to growth, with no other tax components showing a similar effect. The findings suggest that the overall structure of the corporate tax system is crucial for fostering economic development.
- ▪Improvements in aggregate tax competitiveness are positively associated with real GDP per capita growth.
- ▪The growth effect is driven entirely by the corporate tax pillar, with no other components showing significant impact.
- ▪The corporate tax effect accumulates over time, with a significant cumulative effect observed over three years.
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The corporate tax rate really matters by Tyler Cowen May 26, 2026 at 3:51 am in Economics Three findings emerge. First, improvements in aggregate tax competitiveness are positively and significantly associated with real GDP per capita growth, robust to a wide range of controls. Second, this aggregate effect is driven entirely by the corporate tax pillar; no other component displays a significant growth effect. Third, the corporate tax effect materializes contemporaneously and accumulates over time, with a statistically significant three-year cumulative effect of approximately 0.16 percentage points per one-point improvement in the corporate tax score.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Marginal Revolution.
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