Research and analysis
Read PolicyEngine's research on recent and proposed policy reforms, as well as technical and general updates from the organisation.
13 results
5 February 2025
How We're Improving our API in 2025
PolicyEngine's API target architecture for 2025.
14 August 2024
Validation against the Survey of Personal Incomes
Evaluating PolicyEngine's model performance against the UK SPI.
4 December 2023
Autumn 2023 model calibration update
Evaluating PolicyEngine's model performance with the latest official statistics.
3 April 2023
Revolutionizing policy analysis with AI
Discover PolicyEngine's new GPT-4 integration and audience modes.
28 March 2023
Breaking down policy impacts by wealth decile
Income isn't everything.
17 March 2023
Automate policy analysis with PolicyEngine's new ChatGPT integration
Score an economic impact in a few clicks. Write a report in one more.
8 March 2023
Breaking down poverty impacts by sex
PolicyEngine estimates the impact of customisable policy reforms on poverty — overall, by age, and now by sex.
12 January 2023
From idea to impact: scoring a policy reform on the new PolicyEngine UK
A walkthrough of the new app on a UK tax-benefit reform.
10 November 2022
From OpenFisca to PolicyEngine
OpenFisca has catapulted our progress, and now we've forked it into our own microsimulation framework.
22 September 2022
Stamp duties in PolicyEngine UK
The Times reported yesterday that Prime Minister Liz Truss will announce plans to cut Stamp Duty this week. PolicyEngine now supports…
29 April 2022
How developers can explore the PolicyEngine API
The UK API explorer and US API explorer describe variables and policy parameters in our models.
23 April 2022
How PolicyEngine estimates the effects of UK carbon taxes
By fusing datasets with machine learning, we empower anyone to integrate custom carbon taxes with other tax and benefit reforms.
7 March 2022
How machine learning tools make PolicyEngine more accurate
Today, we're launching new survey weights that cut deviations from administrative statistics by 97%.
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