Referential AUD based on CPI (2013e) PerezgonzalezJ 2014 <p>Referential AUD provides the inflator/deflator multiplier for standardizing referential AUS dollars (rAUD, r$). It is based on the average annual CPI (Consumer Price Index), weighted average of 8 capital cities, for all groups (Rate Inflation, 2012). (Also retrievable from Wiki of Science.)</p>