burgernomics
An informal measurement of the purchasing power parity between currencies, based on the price of a Big Mac in various countries.
uncountable
Burgernomics is based upon the theory of purchasing-power parity (PPP)...
Where it comes from
Blend of burger + economics, equivalent to burger + -nomics, coined in The Economist in 1986 by Pam Woodall with the introduction of the Big Mac Index.
Adapted from the Wiktionary entry burgernomics (CC BY-SA 4.0).