Studies
Questions the calculators can answer at scale, worked through once and published with the method and the data. Every figure is computed, not quoted, and every study downloads as CSV.
- Policy rates against inflation in 2025Each central bank's average policy rate over 2025 set against its country's inflation: where money at the policy rate kept its value and where it lost it.14 countries, 23 datasets, published 19 October 2026
- Stamp duty on a typical home, region by regionThe tax a buyer pays on each country's typical home in every region that sets its own: stamp duty, land transfer tax and their equivalents in fifteen countries.15 countries, 15 datasets, published 19 October 2026
- Take-home pay on the same salary in 15 countriesThe same €50,000 salary, converted at one day's exchange rates and taxed under each country's own rules: how much of it you keep in fifteen countries.15 countries, 17 datasets, published 17 October 2026