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Economic and Tax Modeling

The Tax Foundation’s Center for Federal Tax Policy takes a quantitative approach to analyzing the economic, budgetary, and distributional impact of important campaign, legislative, and other popular tax proposals using our General Equilibrium Model, known as our Taxes and Growth (TAG) Model.

The mission of our economic and tax modeling program is to educate lawmakers and the public about the key trade-offs in tax policy, the real-world impact of those trade-offs on taxpayers and our economy, and the best options for achieving principled and pro-growth tax reform.

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Tax Foundation experts analyze ways to rein in the national debt, including US debt and deficits and federal budget and US spending and taxes

The Warning Signs Are Flashing Red on US Debt

Bond markets are screaming for a return to deficit reduction politics. Unfortunately, most policymakers are failing to listen to what the markets are telling them.

OECD global tax deal Pillar Two revenue estimate by country of annual and average corporate tax revenue

Select Country-Level Revenue Estimates for Pillar Two

Pillar Two implementation is underway in many jurisdictions, and many governments are aiming to get their proposals approved before the end of 2023. However, estimating Pillar Two’s impact on government revenue is proving difficult. As a result, only a few countries have publicly presented their findings.

7 min read
Tax Foundation experts analyze ways to rein in the national debt, including US debt and deficits and federal budget and US spending and taxes

How to Rein in the National Debt

Now is the time for lawmakers to focus on long-term fiscal sustainability, as further delay will only make an eventual fiscal reckoning that much harder and more painful. Congressional leaders should follow through on convening a fiscal commission to deal with the long-term budgetary challenges facing the country.

35 min read
Risks to the U.S. Tax Base from Pillar Two

Risks to the US Tax Base from Pillar Two

A growing international tax agreement known as Pillar Two presents two new threats to the US tax base: potential lost revenue and limitations on Congress’s ability to set its own tax policy.

39 min read
Taxes spending us debt deficits tax cuts and jobs act 2017 tax law bush tax cuts

Testimony: Taxes, Spending, and Addressing the U.S. Debt Crisis

A better-designed tax system should be a goal of any fiscal consolidation package. That said, our simulations suggest that even substantially higher tax increases are insufficient to curtail long-run debt-to-GDP growth.

Details and Analysis of Canceling the Scheduled Tax Cuts and Jobs Act Business Tax Increases and tax changes including expirations

Does the Optimal Tax System Exist?

While research on optimal taxation often focuses on the pure economic implications, it rarely considers cultural and societal differences that can lead to very different outcomes when trying to implement an optimal tax system.

4 min read
Carbon Taxes in Theory and Practice including US carbon tax case studies with British Columbia Canada carbon tax, UK carbon tax, and Sweden carbon tax revenue recycling reforms

Carbon Taxes in Theory and Practice

In our latest report, we consider several theoretical arguments for carbon taxes and the evidence from carbon taxes implemented around the world related to emissions, economic growth, distribution and revenue recycling options, other environmental taxes, green subsidies, and environmental regulations.

49 min read
unlocking global growth and role of taxation in promoting economic growth Tax Conference

How to Unlock Global Growth: The Role of Taxation

Our recent policy conference brought together academics and political leaders to present research on some of the most pressing issues in global tax policy and to discuss solutions that can unlock genuine global growth.

9 min read
Testimony: The Fiscal State of the Union

Testimony: The Fiscal State of the Union

Federal spending, deficits, and debt are at unsustainable levels. The proposed federal budget is laden with redundant programs, obsolete programs, corporate welfare, and nationalized industries. As Congress begins to craft the FY 2024 federal budget, it needs to establish a process of systematically reviewing programs and priorities.