Category: Corporate Income Tax
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Redistribution in Reverse: The Macroeconomics of the OBBB with Addendum on the Senate Version
This amended policy brief evaluates the macroeconomic and distributional implications of both the House-passed and Senate-passed versions of the One Big Beautiful Bill (OBBB). The Senate (and final) version is largely similar to the House bill in structure and priorities. Both preserve the core individual income tax provisions of the 2017 Tax Cuts and Jobs…
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Assessing the Economic Effects of Extending and Increasing the QBI Deduction
The 2017 Tax Cuts and Jobs Act (TCJA) introduced a tax deduction of 20% of qualified business income (QBI) for pass-through businesses. This provision is set to expire at the end of 2025, but Republican lawmakers have proposed both extending it and increasing the deduction to 23%. This brief describes IMPA’s evaluation of the proposal.…
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Taxing Excessive Profits: Designing a Pro-Competition Corporate Tax System
This brief, authored by Ira Regmi and Niko Lusiani, lays the groundwork for a pro-competition corporate income tax system, emphasizing the economic rationale for taxing the excess profits of large U.S. businesses. A preliminary draft was shared to kick off the IMPA-RI co-organized expert convening at American University in October 2024
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Equity Prices, Market Power, and Optimal Corporate Tax Policy
This academic paper studies the optimal design of corporate tax policy in a textbook life-cycle model featuring two key deviations: (i) firms are imperfectly competitive and (ii) households save by purchasing equity shares in a stock market. In this simple environment, the financial wealth of savers is equal to the sum of the productive capital…
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Evaluating the Harris and Trump Corporate Tax Proposals
Vice President Kamala Harris proposes raising the corporate tax rate to 28% from its current 21%, while former President Donald Trump proposes lowering it to 15%. The IMPA model projects that the Harris proposal will modestly increase GDP and government revenue. In contrast, it projects that the Trump proposal will slightly contract GDP and government…
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Technical Note on Estimating the Overall Effect of Corporate Tax Reforms
This technical note first describes key differences between estimating the impact of a change in tax policy at the firm (microeconomic) level and at the overall (macroeconomic) level. It then explains how macroeconomic models are used to infer the overall effects of policy reforms and how alternative assumptions – such as the presence of market…
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Corporate Taxation and Market Power Wealth
This academic paper studies the aggregate and distributional effects of corporate tax reforms when market power is heterogeneous across sectors and firms. We use a life-cycle model with incomplete markets in which capital and equity do not always move in tandem when corporate tax policy changes. On the one hand, the increase in the tax rate causes…
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New Macroeconomic Model Shows TCJA Corporate Tax Cut was Harmful to the Economy in both Aggregate and Distributional Terms
This brief explains IMPA’s analysis of the corporate tax cuts in the Tax Cuts and Jobs Act (TCJA). IMPA’s analysis accurately predicts the growth in investment, output, jobs, and wages that followed its enactment. This paper builds on the work from IMPA’s series on corporate tax policy. Check our publications page for the latest reports and analysis from IMPA.…