Featured simulations
Pre-run · share-ready
New York City
NYC "Tax the Rich" Policy
How to rebalance the budget for NYC
View the report →
Australia
ASIO Overreach
See what happens if Australia lets ASIO powers become more powerful
View the report →
Brazil
Brazil's carbon tax for citizen dividends
Brazil taxes fossil fuels and pay the proceeds to its citizens
View the report →
United States
America's Healthcare System Nationalised
America's private healthcare system gets a revamp
View the report →
Australia
Reducing Immigration in Australia
The severe impact of reducing immigration in Australia
View the report →
Australia
Taxing the Gas Giants in Australia
What would happen if Australia taxed the gas industry
View the report →
Recent simulations
From visitors
Australia
I would like to introduce a policy that reduces the cost of Australian passports. Currently, an Australian passport costs approx $422 AUD for 10 years (Adult). Other countries like NZ and USA are $250 AUD, whereas places like India and Brazil are $50 AUD.
View the report →
Australia
Impose a major tax on Australia's gas giants and use the revenue for households, public services, and the energy transition.
View the report →
United States
Nationalise America's private healthcare system into a universal public system, replacing most private insurance with comprehensive public coverage.
View the report →
Try one yourself
Kenya
Universal basic income for every adult
"Trial a nationwide UBI funded by a sovereign wealth allocation"
GiveDirectly's long-running Kenya experiment makes this one of the most-studied policy ideas on Earth, a natural starting point.
Try this →
Norway
Phase out fossil fuel exports by 2035
"End North Sea oil licensing and redirect the sovereign wealth fund"
Tests what happens when a country built on hydrocarbons walks away from them; economically, diplomatically, and politically.
Try this →
France
Lower retirement to 60
"Reverse the 2023 reforms and lower the legal retirement age to 60"
A live political fight in 2023. Useful to see what the simulator says about the trade-offs both sides claim.
Try this →
United States
Federal four-day work week
"Mandate a 32-hour work week with no reduction in pay"
The Iceland and UK pilots make this an empirically rich question. What scales, and what breaks, at federal level?
Try this →
Singapore
Open borders for skilled migration
"Eliminate the Employment Pass quota and offer fast-track citizenship to STEM graduates"
Stress-tests an aggressive talent strategy against social cohesion and housing pressure.
Try this →
United Kingdom
Renationalise the railways
"Bring all rail franchises into public ownership at the next contract expiry"
A perennial debate, and a tidy case study in long-horizon fiscal modelling.
Try this →
Germany
Restart nuclear power
"Reopen decommissioned nuclear plants and approve next-gen reactors"
Tests an energy U-turn against climate goals, public opinion, and grid reality.
Try this →
Brazil
Carbon tax with citizen dividend
"Tax fossil fuels at $80/ton and pay the proceeds out as an equal monthly dividend"
Pairs the cleanest carbon-pricing design with one of the world's most carbon-intensive economies.
Try this →
Or skip the curated list and ask your own question.
Open the chamber →