This month as a service for our friends in the U.K. we have added a U.K. Historical Price Converter. This handy little calculator will tell you the equivalent value of any prices from 1751 to the present. It is based on the "Retail Prices Index" which was instituted in Great Britain in 1947 in an effort to determine how much the war was affecting prices. The data was later "backdated" to include prices back to 1751 by Jim O’Donoghue, Louise Goulding, and Grahame Allen in a paper entitled ‘Consumer Price Inflation Since 1750’. In it they state that, their article presents: "a composite price index covering the period since 1750 which can be used for analysis of consumer price … [Read more...]