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One Big Beautiful Bill Act (OBBBA)

Explore our latest tax policy research, analysis, and commentary of the One Big Beautiful Bill Act (OBBB).

Budget Reconciliation

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International Tax Policy, European Geoeconomics

Lessons From European Geoeconomics & The Future Of International Tax Policy

European policymakers would be wise to refocus tax and trade policies on what is good for Europe rather than trying to change policies in countries beyond European borders. Meanwhile, the Trump administration would be wise to recognize that the transatlantic relationship is a geoeconomic asset that can be mutually beneficial.

No Tax on Social Security vs. Proposed $4,000 Senior Bonus Senior Tax Deduction One Big Beautiful Bill Act OBBB

How Does the Additional Senior Deduction Compare to No Tax on Social Security?

The increased senior deduction with the phaseout would deliver a larger tax cut to lower-middle- and middle-income taxpayers compared to exempting all Social Security benefits from income taxation and would not weaken the trust funds as much. But given the temporary nature of the policy, it would increase the deficit-impact of the reconciliation bills without boosting long-run economic growth.

3 min read
2023 corporate tax rates and brackets including corporate income tax data

Here’s Why Corporate Taxes May Appear Lower After the OBBBA

Near-term corporate tax payments may fall, and financial statement data may appear unusual, but over time, revenues will stabilize, book-tax gaps will fade, and the US tax code will incentivize domestic investment.

8 min read
State tax trends 2026, unites states tax policy

State Tax Trends to Watch in 2026

State lawmakers around the country have begun their legislative sessions, and many are considering tax reform. This piece highlights some of the areas on which they are likely to focus.

4 min read
Big Beautiful Bill Tax Plan and Senate GOP Tax Plan: Details & Analysis of 2025 Trump Tax Cuts

One Big Beautiful Bill Act Tax Policies: Details and Analysis

Our analysis of the major tax provisions included in the OBBBA finds it will increase long-run GDP by 0.7 percent. The major tax provisions will reduce federal tax revenue by nearly $5.2 trillion between 2025 and 2034, on a conventional basis.

12 min read
Inflation Reduction Act IRA repeal and reforms

Will the OBBBA Tax Cuts Grow the US Economy?

Over the long run, OBBBA’s permanent extension of lower marginal tax rates on work, saving, and investment lays a solid foundation for stronger economic growth.

6 min read
Federal tobacco tax proposal state taxes Build Back Better Act Biden American Families Plan proposal to tax unrealized capital gains at death, taxing unrealized gains death proposal, capital gains at death policies tax refund tax refunds tax cut 2018 tax season tax filing

Tax Refunds and the One Big Beautiful Bill Act

When taxpayers file their 2025 tax returns in 2026, many will see larger refunds than in recent years. That’s due to the One Big Beautiful Bill Act (OBBBA), which reduced individual income taxes for 2025 by an estimated $129 billion.

4 min read
2026 tax brackets

2026 Tax Brackets

Explore the IRS inflation-adjusted 2026 tax brackets, for which taxpayers will file tax returns in early 2027.

5 min read
Biden CHIPS and Biden Inflation Reduction Act analysis of Biden business investment and US investment research

Trump Tax Policy Shift Toward Stability Must Stay the Course

The Trump administration has rightly shifted its focus from pursuing legislative changes to implementing new permanent rules. But in this shift, it’s crucial that the White House doesn’t lose focus on the larger task at hand.

Best Global Tax Ranking Improvements | 2025 International Tax Competitiveness Index

Movers and Shakers in the International Tax Competitiveness Index

For the past 12 years, the International Tax Competitiveness Index has examined which countries have truly embraced tax competitiveness and which ones have lagged behind. Our experts examine how country rankings have changed over time and identify the largest movers and shakers.

5 min read

2025 Tax Review | What OBBBA Changed, the Impact of Tariffs, and What’s Next

In this episode, we break down what the OBBBA did, walk through our projections, and zoom out to other defining fights of 2025: Trump’s “Liberation Day” tariffs, the Supreme Court challenge over presidential tariff power, and the growing wave of property tax revolts across the states. 

Debt Limit Deadline and Growing National Debt Demand Action CBO long-term budget forecast federal spending national debt and deficit CHIPS and Science Act Biden estate tax unrealized capital gains at death Federal capital gains tax collections historical data CBO releases new long-term budget outlook, The national debt is now projected to nearly double by 2050

How Does the OBBBA Impact Debt, Deficits, and Tax Revenue?

Our modeling indicates the One Big Beautiful Bill Act (OBBBA) will boost economic growth but increase deficits, leading to record high debt in 2028 that rises to 124 percent of GDP by 2034.

7 min read
GILTI to NCTI, State Tax Codes Decouple

Some States Will Tax NCTI Despite Prior Votes to Exempt International Income

Several states have decoupled from GILTI by name rather than statutory citation. Lawmakers in those states should amend these statutes to ensure that their tax code does not accidentally incorporate a much more aggressive tax on international income than the tax from which they previously decoupled.

6 min read