Who uses it
For anyone whose job is a question about the future
Not a dashboard of what happened. A place to ask what would happen, and to see the chain of reasoning that produced the answer.
Five kinds of question this was built for
Policy and governmentWhat does this measure actually do
A tariff, an export control, a carbon price or a migration rule does not stop at the border it was written for. The engine carries it through trade, prices, currencies, employment and alignment, and shows you who absorbed it.
- Second order effects on partners you did not name
- Who retaliates, and what that costs at home
- The range of outcomes, not the one that suits the memo
Strategy and riskWhat breaks if the world shifts
Concentration is easy to see and hard to price. Put the shock in, run it against the baseline on the same seed, and read the difference as the shock rather than the noise.
- Chip supply, energy supply, shipping and freight
- Currency and rate paths under a stress you choose
- Which branch of outcomes you are exposed to, and its share
Research and teachingA model students can take apart
Every headline number is built as a sum of named terms, so the interface and the arithmetic agree exactly. You can open growth, find the term, and argue with the coefficient.
- An exact decomposition rather than a black box
- Parameter priors stated on the method page
- Historical analogues scored against your run
Journalism and analysisA number you can source
Every country row carries a provenance mark, and every sourced figure carries the year it came from. Nothing on the screen is presented as measured when it was patterned.
- Curated, partial or sourced, marked per row
- One click refreshes sixteen indicators from the World Bank
- Download the whole table as a spreadsheet
CuriosityBecause the world is interesting
No account, no credits, no queue. Open it, pull a lever, and see what a coupled model of the planet does with it. That is a perfectly good reason.
- Ten presets, from a chip embargo to a drier world
- Everything runs in your own browser
- Nothing you build is sent anywhere
The fastest way to know if it fits is to open it
Ten presets are waiting. Pick one, then change it.
Open the simulator