FAQ: The One Big Beautiful Bill Act Tax Changes
Our experts explain how this major tax legislation may affect you and how policymakers can better improve the tax code.
24 min read
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The Good, the Bad, and the Ugly in the One Big Beautiful Bill Act
The One Big Beautiful Bill Act makes many of the individual tax cuts and reforms of the TCJA permanent. It improves upon the TCJA by making expensing for R&D and equipment permanent. However, for the most part, it does not include further structural reforms, and instead introduces many new, narrow tax breaks to the code, adding complexity and raising revenue costs.
7 min read
State Implications of the GILTI to NCTI Conversion
The One Big Beautiful Bill’s changes to the taxation of international income have surprising implications for state codes, yielding tax increases and a revised tax base that, through quirks of state incorporation, bears very little resemblance to the federal base and almost nothing of its purpose.
10 min read
Response to OECD Consultation on BEPS 1.0
The BEPS project’s 15 actions were decisive responses to real problems in cross-border taxation, offering real benefits but also real costs. A decade of implementation experience has revealed a critical side effect: sharply higher compliance costs for both tax administrations and the business community.
One Big Beautiful Bill Act Tax Policies: Details and Analysis
We estimate the One Big Beautiful Bill Act would increase long-run GDP by 1.2 percent and reduce federal tax revenue by $5 trillion over the next decade on a conventional basis.
11 min read
A Partial Defense of the QBAI Exclusion
Lawmakers should consider maintaining QBAI and applying the several billion dollars from the Senate’s change toward other pro-growth international tax reforms instead.
6 min read
The Senate Finance Committee’s New International Tax Package: A First Look
The Senate draft overall makes more changes to international tax policy than the House draft. On net the changes are positive.
8 min read
Illinois Policymakers Should Think Twice Before Taxing GILTI
If Illinois’ budget is enacted as-is, Illinois will newly tax 50 percent of Global Intangible Low-Taxed Income (GILTI) as of tax year 2025, retroactively increasing tax burdens for US businesses and further hindering Illinois’ business tax competitiveness.
7 min read
“One Big Beautiful Bill Act” House GOP Tax Plan: Details and Analysis
Our preliminary analysis finds the tax provisions increase long-run GDP by 0.8 percent and reduce federal tax revenue by $4.0 trillion from 2025 through 2034 on a conventional basis before added interest costs.
9 min read
Considering Potential International Corporate Tax Reforms in the US
Tax legislation in 2025 may have good reason to address international corporate income taxes, because of scheduled changes slated to go into effect or because of international developments like the Pillar Two agreement.
63 min read
Overview of the Tax Foundation’s General Equilibrium Model
The Tax Foundation uses and maintains a General Equilibrium Model, known as our Taxes and Growth (TAG) Model to simulate the effects of government tax and spending policies on the economy and on government revenues and budgets.
9 min read
The Latest on the Global Tax Agreement
The agreement represents a major change for tax competition, and many countries will be rethinking their tax policies for multinationals. If there is no agreement on changes to Pillar Two or digital services taxes, retaliatory American tariffs could be on the horizon.
8 min read
Tax Policy and the US Economy: Enhancements to Our Modeling Framework
The Tax Foundation models tax policy using our proprietary Taxes and Growth model, illustrating the economic, revenue, and distributional impacts of different changes to the federal tax code. We’ve recently implemented improvements to the model that have been underway for the past several years, and we will be detailing them further in our forthcoming model methodology update.
4 min read
Five Things to Know About Trump’s Global Minimum Tax Order
This week, the incoming Trump administration issued a day-one executive order on the global minimum tax agreement known as Pillar Two, which seeks to ensure multinational corporations pay at least 15 percent in income tax.
6 min read
Pillar Two Implementation in Europe, 2024
18 of the 27 EU Member States have implemented both the income inclusion rule and the qualified domestic minimum top-up tax in 2024.
4 min read
Kamala Harris Tax Plan Ideas: Details and Analysis
On tax policy, Harris carries forward much of President Biden’s FY 2025 budget, including higher taxes aimed at businesses and high earners. She would also further expand the child tax credit (CTC) and various other tax credits and incentives while exempting tips from income tax.
17 min read
GILTI Tax Treatment by State, 2024
States that tax GILTI increase filing complexity, drive up the cost of tax compliance, and introduce unnecessary economic uncertainty and legal risk. 21 states and DC continue to tax GILTI despite these challenges.
6 min read
Supernormal Returns: An Overlooked Foundation of Tax Policy Debates
Supernormal profits are an important concept, but we should be wary of analysis that both defines supernormal profits very broadly and equates all supernormal profits with monopoly profits that can be easily taxed without negative economic effects.
23 min read
Results of a Survey Measuring Business Tax Compliance Costs
Lawmakers should consider compliance costs—not just tax liabilities—when evaluating reforms to business income taxation.
22 min read
Gov. Tim Walz Raised Taxes as Most Governors Cut Them
Gov. Walz’s tax policy record is notable because of how much it contrasts with broader national trends. In recent years, most governors have championed tax cuts. Walz, rare among his peers, chose tax increases.
5 min read