Research and analysis
Read PolicyEngine's research on recent and proposed policy reforms, as well as technical and general updates from the organisation.
50 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.
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 18, 2024
NEO Philanthropy Awards $200,000 Grant to PolicyEngine
Economic Mobility & Opportunity Fund supports expanding access to policy analysis tools.
December 3, 2024
Introducing GiveCalc
Calculate the true cost of charitable giving.
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.
September 29, 2024
How the Oregon Rebate May Affect Poverty Rates
Our model finds the ballot measure could reduce poverty by between 22% and 35%, without macroeconomic effects.
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 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 13, 2024
PolicyEngine at the 117th Annual Conference on Taxation
Exploring AI applications and enhanced data for tax policy analysis.
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.
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 19, 2023
Unveiling poverty impacts by race and ethnicity
A new feature from PolicyEngine reveals how customizable tax and benefit reforms affect poverty rates for Black, White, Hispanic, and other Americans.
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.
May 2, 2023
How PolicyEngine shaped the outcome of the $1 million bet James Medlock won today
Our free tax calculator helped determine Balaji Srinivasan's $500,000 payments to Medlock and GiveDirectly.
April 16, 2023
Analysis of the DC Financial Support for Families with Children Amendment Act
Evaluating Councilmember Zachary Parker's second Child Tax Credit proposal of 2023.
April 8, 2023
PolicyEngine adds New York Family Assistance (TANF) to US model
Enhancing analysis of public policy impacts on needy families.
April 7, 2023
Introducing California income tax analysis on PolicyEngine
Expanding our tax calculator and reform simulator capabilities to the most populous state.
April 3, 2023
Announcing the addition of Kansas income tax to PolicyEngine
We've expanded our tax calculator and customizable reform simulator to the Sunflower State.
April 2, 2023
The District Child Tax Credit proposal
Analysis of DC Councilmember Zachary Parker's new legislation.
March 24, 2023
FiscalSim and PolicyEngine: Emphasizing collaboration and open-source acknowledgment
The Center for Growth and Opportunity launches FiscalSim, a US policy-computing web app drawing heavily from PolicyEngine's work.
March 23, 2023
How much should James Medlock donate to GiveDirectly?
We built a mini-app with the policyengine-us Python package to crunch the implications of a Twitter bet.
March 8, 2023
Breaking down poverty impacts by sex
PolicyEngine estimates the impact of customizable policy reforms on poverty — overall, by age, and now by sex.
March 3, 2023
Massachusetts Governor Maura Healey's FY 2024 Budget Recommendation
PolicyEngine estimates the distributional impact of two provisions and the household impact of four provisions.
February 15, 2023
OpenFisca wins Edge of Government's Innovation Award
The success of Rules as Code and its impact on citizens.
February 10, 2023
Restoration of the American Rescue Plan Act's expanded Child Tax Credit
PolicyEngine computes how the 2021 policy would affect Americans and America in 2023.
February 9, 2023
The Child Tax Credit in 2023
We review how the program works and compute its impact with PolicyEngine US.
February 2, 2023
How would reforms affect cliffs?
We've added a new feature to the US version of PolicyEngine that lets you see how your reforms affect cliffs.
January 12, 2023
The New PolicyEngine
We're exiting beta with the most accessible tax and benefit model ever built.
December 30, 2022
PolicyEngine's 2022 year in review
A year of launches, analysis, and building for the future.
December 28, 2022
Enhancing the Current Population Survey for policy analysis
We've used modern data science techniques to make PolicyEngine the UK's most accurate microsimulation model. In 2023, we'll do the same in the US.
December 23, 2022
Updating PolicyEngine to reflect SNAP reform in the omnibus bill
A step-by-step guide to syncing our code with the latest legislation.
November 29, 2022
How charitable contributions affect Americans' taxes
PolicyEngine estimates the tax impact of your donations for free.
October 28, 2022
Estimating your Supplemental Security Income benefits in PolicyEngine
Enter your household information, and our free web app will estimate your SSI — plus other taxes and benefits.
October 21, 2022
PolicyEngine launches in New York state
New Yorkers can now estimate their state income taxes alongside federal taxes and benefits — and change the rules, too.
September 27, 2022
How to simulate basic and guaranteed income policies in PolicyEngine US
From universal basic income to age-dependent means-tested payments, we've got you covered.
August 10, 2022
PolicyEngine launches in Washington state
Washingtonians can now compute the impacts of the Working Families Tax Credit and federal reforms.
August 5, 2022
Electric vehicle tax credits under current law and the Inflation Reduction Act
Use PolicyEngine US to analyze provisions of the potential reconciliation bill.
July 1, 2022
The new PolicyEngine US Population Impact page
You design the policy. We compute the poverty, inequality, and budgetary impacts.
June 9, 2022
PolicyEngine at the BIG Conference and the Beeck Center’s Rules as Code Demo Day
Register for the BIG Conference June 23–25 and the Rules as Code Demo Day June 28
March 31, 2022
PolicyEngine arrives stateside
Today, we're beta-launching PolicyEngine US and several other new features.
December 29, 2021
PolicyEngine's 2021 year in review
PolicyEngine's inaugural year was a substantial one for public policy.
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