Institute on Taxation and Economic Policy

Recent Work

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Learn from Prop 13 History to Avoid Repeating Past Mistakes

February 26, 2025 • By Rita Jefferson

Learn from Prop 13 History to Avoid Repeating Past Mistakes

Worries about housing costs and property tax bills are leading people to check the history books for solutions, but there’s a danger that they’ll repeat past mistakes. If anti-tax lawmakers carelessly weaken property taxes as they did in the 1970s, as they did with California’s Proposition 13, they will undercut public finances, making municipalities, school districts, and other special districts worse off.

Revenue Effect of Mandatory Worldwide Combined Reporting by State

Universal adoption of mandatory worldwide combined reporting (WWCR) in states with corporate income taxes would boost state tax revenue by $18.7 billion per year. The revenue effects of mandatory WWCR would vary across states. We estimate that 38 states and the District of Columbia would experience revenue increases totaling $19.1 billion. The top 10 states […]

Corporate Income Tax Filing Methods: States with Water’s Edge or Worldwide Combined Reporting

The purpose of state corporate income taxes is to tax the profit, or net income, an incorporated business earns in each state. Ascertaining the state where profits are earned is, however, complicated for companies that conduct business in multiple jurisdictions. Twenty-eight states plus D.C. now require a limited version of combined reporting called “water’s edge” […]

State Rundown 2/20: Tools to Address Corporate Tax Avoidance and Property Tax Affordability

A new ITEP report finds that states could raise $19 billion a year with one policy change targeting corporate tax avoidance. That policy, worldwide combined reporting, strengthens state corporate taxation by giving states a full view of multinational corporate profits, essentially eliminating the tax savings that companies currently see by pretending their profits were earned in Switzerland, the Cayman Islands, and other international tax havens.

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Wide-Ranging 2025 State Tax Debates Come into Focus

February 20, 2025 • By Aidan Davis

Wide-Ranging 2025 State Tax Debates Come into Focus

In the face of immense uncertainty around looming federal tax and budget decisions, many of which could threaten state budgets, state lawmakers have an opportunity to show up for their constituents by raising and protecting the revenue needed to fund shared priorities. Lawmakers have a choice: advance tax policies that improve equity and help communities thrive, or push tax policies that disproportionately benefit the wealthy, drain funding for critical public services, and make it harder for most families to get ahead. 

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A Revenue Analysis of Worldwide Combined Reporting in the States

February 20, 2025 • By Carl Davis, Matthew Gardner

A Revenue Analysis of Worldwide Combined Reporting in the States

Universal adoption of mandatory worldwide combined reporting would boost state corporate income tax revenues by roughly 14 percent. Thirty-eight states and the District of Columbia would experience revenue increases totaling $19.1 billion.

State Rundown 2/12: State Tax Policy Heats Up as Winter Storms Sweep Much of the Country

Tax policy proposals are a hot topic of conversation across the country. Both North and South Dakota are considering property taxes cuts, while proposed cuts in Florida, Mississippi, and Texas are percolating. Meanwhile, fiscal conditions are tight in states like Alaska, Tennessee, Oklahoma, and West Virginia. None are on the cusp of passing new revenue, but years of recent tax cuts and inflation have caught up to states and many lawmakers have revenue gaps to close. 

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Turning IRS Agents to Deportation Will Reduce Public Revenues

February 11, 2025 • By Carl Davis, Jon Whiten

Turning IRS Agents to Deportation Will Reduce Public Revenues

The Trump Administration’s plan to turn IRS agents into deportation agents will result in lower tax collections in addition to the harm done to the families and communities directly affected by deportations.

The Five Biggest Corporations Represented at Trump’s Inauguration Could Save $75 Billion from One Tax Break Before Congress

New financial reports indicate five of America’s biggest corporations—Alphabet, Amazon, Apple, Meta, and Tesla—could win $75 billion in tax breaks if Congress and the President satisfy demands from corporate lobbyists to reinstate a provision repealed under the 2017 Trump tax law.

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State Rundown 2/6: Tax Proposals in the Spotlight

February 6, 2025 • By ITEP Staff

State Rundown 2/6: Tax Proposals in the Spotlight

Tax changes have been proposed or are nearing the finish line in many states. Kentucky is poised to enact an income tax cut as a bill heads to the governor’s desk. In Pennsylvania, Gov. Josh Shapiro’s budget proposal called to accelerate existing corporate tax cuts while closing corporate tax loopholes by enacting combined reporting. Ohio Gov. Mike DeWine proposed a new credit for children of working parents. And Virginia Democrats countered Gov. Glenn Youngkin’s proposed tax cuts with a plan of their own that includes an increase to the state’s Earned Income Tax Credit (EITC) and a one-time, nonrefundable tax…

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The (Mostly Untapped) Power of Local Income Taxes

February 5, 2025 • By Rita Jefferson

The (Mostly Untapped) Power of Local Income Taxes

Local income taxes can be an important progressive revenue raiser, as they ask more of higher-income households and are connected to ability to pay. They can raise substantial revenue to fund key public services to make cities and regions better off.

Policymakers Could Consider Using Tax and Transfer Policy to Reduce the Racial Retirement Wealth Gap

As we show in our recent study, this is, in part, due to longstanding discrimination shaping racial differences in economic wellbeing in the U.S. Moreover, aspects of federal and state tax policies have helped create the vast racial retirement wealth gap in place today. For this reason, we evaluate how tax and transfer policy reforms could help shrink racial retirement wealth inequality. To inform lawmakers as they approach the 2025 debates, below we offer several guiding principles.

Maryland Gov. Wes Moore’s Tax Plan Boosts Revenue, Increases Fairness

Maryland’s Gov. Wes Moore put forward a tax reform plan that would make the tax system fairer, simpler, and better able to meet the state’s needs. The proposed changes to the income tax ask more of those at the top and provide an average tax cut for those earning less.

State Rundown 1/30: The Revenue Decrease is in the Details

More details on this year’s batch of major tax proposals are emerging from statehouses - and some revenue cuts look like they could be steep. A governor-backed and House-passed plan in Mississippi would phase out the personal income tax, while a recent tax cut proposal out of Idaho is anchored by a $253 million dollar income tax cut.  

Tesla Reported Zero Federal Income Tax on $2 Billion of U.S. Income in 2024

Tesla reported $2.3 billion of U.S. income in 2024 but paid zero federal income tax. Over the past three years, the Elon Musk-led company reports $10.8 billion of U.S. income on which its current federal tax was just $48 million.

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