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Research and analysis

Read PolicyEngine's research on recent and proposed policy reforms, as well as technical and general updates from the organisation.

17 results

How We're Improving our API in 2025 cover image
technical
global

February 5, 2025

How We're Improving our API in 2025

PolicyEngine's API target architecture for 2025.

Beta-launch: PolicyEngine's enhanced microdata for policy analysis cover image
us
technical
featured

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.

Unveiling poverty impacts by race and ethnicity cover image
us
technical

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.

How PolicyEngine shaped the outcome of the $1 million bet James Medlock won today cover image
us
technical

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.

Revolutionizing policy analysis with AI cover image
global
technical

April 3, 2023

Revolutionizing policy analysis with AI

Discover PolicyEngine's new GPT-4 integration and audience modes.

FiscalSim and PolicyEngine: Emphasizing collaboration and open-source acknowledgment cover image
us
technical

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.

How much should James Medlock donate to GiveDirectly? cover image
us
technical

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.

Automate policy analysis with PolicyEngine's new ChatGPT integration cover image
global
technical

March 17, 2023

Automate policy analysis with PolicyEngine's new ChatGPT integration

Score an economic impact in a few clicks. Write a report in one more.

Breaking down poverty impacts by sex cover image
us
technical

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.

From idea to impact: scoring a policy reform on the new PolicyEngine US cover image
us
technical

January 12, 2023

From idea to impact: scoring a policy reform on the new PolicyEngine US

A walkthrough of the new app on a US tax-benefit reform.

Enhancing the Current Population Survey for policy analysis cover image
us
technical

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.

Updating PolicyEngine to reflect SNAP reform in the omnibus bill cover image
us
technical

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.

From OpenFisca to PolicyEngine cover image
global
technical

November 10, 2022

From OpenFisca to PolicyEngine

OpenFisca has catapulted our progress, and now we've forked it into our own microsimulation framework.

How to simulate basic and guaranteed income policies in PolicyEngine US cover image
us
technical

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.

PolicyEngine launches in Washington state cover image
us
technical
us wa

August 10, 2022

PolicyEngine launches in Washington state

Washingtonians can now compute the impacts of the Working Families Tax Credit and federal reforms.

The new PolicyEngine US Population Impact page cover image
us
technical

July 1, 2022

The new PolicyEngine US Population Impact page

You design the policy. We compute the poverty, inequality, and budgetary impacts.

How developers can explore the PolicyEngine API cover image
global
technical

April 29, 2022

How developers can explore the PolicyEngine API

The UK API explorer and US API explorer describe variables and policy parameters in our models.

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