Research and analysis
Read PolicyEngine's research on recent and proposed policy reforms, as well as technical and general updates from the organisation.
37 results
April 5, 2025
MyFriendBen Launches in North Carolina, Using PolicyEngine API
Our rules engine powers the open-source multi-benefit screener and its expansion beyond Colorado.
April 1, 2025
Idaho’s New Individual Income Tax Changes
The lower top marginal rate and larger grocery tax credit will cost the state $225 million in 2025.
April 1, 2025
New Ways to Give to PolicyEngine
Exploring state tax credits for charitable giving.
March 26, 2025
Analysis of Michigan HB 4170
We project the bill, which would reduce Michigan’s tax rate from 4.25% to 4.05%, would cost $644 million in 2025.
March 7, 2025
New York Governor Hochul's Tax Proposals
PolicyEngine analyzed several individual income tax policies included in Governor Kathy Hochul's FY2026 budget.
March 5, 2025
The Family Income Supplemental Credit (FISC) Act
Representative Jared Golden’s Child Tax Credit reform would cost $193 billion in 2026 while reducing poverty and inequality.
February 26, 2025
Kentucky Cuts Income Tax Rate
Analysis of lowering Kentucky's 4% income tax rate to 3.5%.
February 18, 2025
The Proposed New York City Child Tax Credit
Analysis of Senate Bill S2238, introduced by Senator Andrew Gounardes.
January 21, 2025
The New York Working Families Tax Credit
A comprehensive analysis of the proposal from New York State Senator Andrew Gounardes.
January 17, 2025
Analysis of the Family First Act
We project that Representative Blake Moore's Child Tax Credit bill would raise revenue and reduce poverty.
December 29, 2024
PolicyEngine US in 2024: A year in review
From state-level modeling to AI-powered analysis, we expanded the frontier of policy research through technology.
December 27, 2024
PolicyEngine US Launches Behavioral Responses
We've expanded our modeling framework to capture how policy changes affect labor supply.
December 26, 2024
New AI Feature Helps People Understand Their Taxes and Benefits
We’re applying large language models to clarify complex policy rules.
December 18, 2024
NEO Philanthropy Awards $200,000 Grant to PolicyEngine
Economic Mobility & Opportunity Fund supports expanding access to policy analysis tools.
December 10, 2024
Louisiana Transitions to a Flat Tax
Analysis of the individual tax changes signed into law by Governor Jeff Landry.
December 3, 2024
Introducing GiveCalc
Calculate the true cost of charitable giving.
November 19, 2024
Federal Tax Inflation Adjustments for Tax Year 2025
PolicyEngine has updated all relevant federal tax parameters based on the latest IRS announcements.
November 3, 2024
How Would Each Presidential Candidate’s Economic Plans Affect Your Household?
PolicyEngine has created a personalized calculator for the 2024 presidential election’s tax proposals.
October 31, 2024
Donald Trump's Economic Agenda
PolicyEngine projects three provisions of Donald Trump’s tax plan would cost $5.4 trillion over the next ten years.
October 28, 2024
Extending the Tax Cuts and Jobs Act
PolicyEngine projects extending the TCJA individual tax provisions would cost $3.9 trillion over a ten-year budget window.
October 24, 2024
Kamala Harris’s Earned Income Tax Credit Expansion Proposal
PolicyEngine projects that restoring the American Rescue Plan policy would cost $144 billion (static) or $201 billion (dynamic) over a decade, while lowering poverty by 1.6% in 2025.
October 7, 2024
Exempting Social Security Benefits from Income Taxation
PolicyEngine projects that former President Donald Trump’s proposal would cost $1.4 trillion over the budget window.
August 22, 2024
How the Rent Relief Act of 2019 Varies with Income and Location
We show the impact on different households of the tax credit bill introduced by then-Senator Kamala Harris.
August 21, 2024
Individual Income Tax Provisions in Minnesota Bill HF1938 (2023)
The reform signed by Governor Tim Walz expanded credits for low-income families, reduced taxes for middle-income retirees, and raised taxes for high-income filers.
August 17, 2024
Kamala Harris’s Child Tax Credit Proposal
We analyze the Democratic nominee’s proposal to expand the 2021 expansion, giving $6,000 to parents of newborns.
August 11, 2024
Analysis of JD Vance’s Suggested $5,000 Child Tax Credit Expansion
Impacts of the vice presidential nominee’s reform depend largely on its uncertain refundability.
July 22, 2024
Kamala Harris's LIFT Act Middle Class Tax Credit
A comprehensive analysis of the Vice President's 2018 proposal.
July 12, 2024
PolicyEngine Powers Niskanen Center's Analysis
Three new reports from the Niskanen Center think tank demonstrate PolicyEngine's tax and benefit reform model.
April 15, 2024
PolicyEngine launches state income tax modeling nationwide
Free, open-source platform now covers all 50 states and D.C., just in time for tax season.
March 27, 2024
Individual income tax provisions of President Biden's 2025 Budget
PolicyEngine projects the impact of expanding tax credits and raising taxes on high-income filers.
March 25, 2024
Child Tax Credit Provisions of the Tax Relief for American Workers and Families Act
How the Wyden-Smith bipartisan tax package would affect families through 2025.
March 25, 2024
Beta-launch: PolicyEngine's enhanced microdata for policy analysis
By integrating and calibrating multiple datasets, PolicyEngine makes world-class tax-benefit microsimulation modeling available to anyone.
January 11, 2024
Preliminary analysis of the Wyden-Smith Child Tax Credit expansion
PolicyEngine estimates the impact of the reported compromise to expand the Child Tax Credit's refundable component.
August 2, 2023
Dive Into New Mexico's Income Tax Analysis on PolicyEngine
Expanding our tax calculator and reform simulator capabilities to the Land of Enchantment.
July 14, 2023
Scott Winship's individualized Earned Income Tax Credit proposal
An analysis and note on the value of open-source models.
June 8, 2023
Analysis of the Working Families Tax Cut Act
How the proposal to increase the standard deduction would affect households and society.
June 8, 2023
Analysis of Guaranteed Income for the 21st Century
The proposal from the New School and the Economic Security Project would lower poverty and inequality while expanding cliffs.
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