40th Anniversary Index Edition

Big Mac Index & PPP Exchange Rate Explorer

Invented by The Economist in 1986 as a playful guide to Purchasing Power Parity. Explore raw vs. GDP-adjusted currency valuations, simulate inflation or wage shocks, and analyze global economic beef.

Currency Over / Undervaluation (%) Model: Raw PPP vs. USD
Scenario Simulator GBR

Select any bar or country to manipulate local price factors and observe immediate valuation adjustments.

Local Price Adjustment 0%
Market FX Rate Shift 0%
Labor & Commercial Rent Weight 30%
Target Economy: Britain
Simulated Price: 4.19 GBP
Implied PPP Rate: 0.736
Market FX Rate: 0.780
Raw Valuation: -5.6%
GDP-Adjusted Val: +2.1%
Global Purchasing Power Parity Benchmark Data
* Double click or edit cells to set custom prices and observe global recalculation.
Country ⇕ Currency ⇕ Local Price ⇕ Market FX Rate ⇕ Implied PPP ⇕ GDP / Capita ($) ⇕ Raw Misvaluation ⇕ GDP-Adjusted ⇕

Canonical Model Execution Proof & Report Card

Validated results generated directly from production equations. Representative benchmark values against USD baseline ($5.69).

Britain (GBR) Raw -5.6%
Japan (JPN) Raw -49.0%
Switzerland (CHE) Raw +32.3%
Brazil (BRA) Raw -22.9%
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