The Japanese Food-Tax Policy Mixer

Why it surfaced

The site lets readers move policy assumptions such as tax rate, price pass-through, household spending, business allocation, and import leakage, then follow the resulting figures through explicit formulas and intermediate values. It is careful to label its outputs as hypothetical model values rather than measured data or forecasts—a welcome disclaimer for a tool dealing in trillion-yen consequences.

An interactive simulator for tracing how changes to Japan’s food consumption tax could move through households, businesses, government, overseas flows, and financial markets.