Buying power index by year
Definition of. Purchasing power parities (PPP) Purchasing power parities (PPPs) are the rates of currency conversion that try to equalise the purchasing power of different currencies, by eliminating the differences in price levels between countries. About This Answer. Our inflation calculator helps you understand how the purchasing power of a certain dollar amount will change over time. In general, the value of money decreases over time. This means that $5 today won’t buy you the same amount of goods or services as it would in 10 years. Purchasing power: using wage statistics with regional price parities to create a standard for comparing wages across U.S. areas The U.S. Bureau of Labor Statistics Occupational Employment Statistics (OES) program has long produced actual wages by occupation that allow data users to compare wages across geographic regions.