Deflator

Business, Legal & Accounting Glossary

Definition: Deflator



What is the dictionary definition of Deflator?

Dictionary Definition


In statistics, a deflator is a value that allows data to be measured over time in terms of some base period, usually through a price index, in order to distinguish between changes in the money value of a gross national product (GNP) that come from a change in prices, and changes from a change in physical output. It is the measure of the price level for some quantity. A deflator serves as a price index in which the effects of inflation are nulled.


Full Definition of Deflator


A deflator is used to convert current dollars into dollars that are adjusted for price changes. Because price levels change over time, direct comparisons of output, wages, and other dollar-denominated measures are often meaningless. To usefully compare a salary of $50,000 in 1965 with a salary of $100,000 in 2005, a deflator must be used. Among the best-known deflators is the GDP deflator, also known as the GDP implicit price deflator. The GDP deflator is a quarterly price index calculated by dividing GDP in some period by what the same GDP would have been in the base period. In other words, the GDP deflator is nominal GDP divided by real GDP. Some economists consider the GDP deflator superior to the consumer price index (CPI) as a measure of price change. While the CPI is based on a fixed basket of goods and services, the GDP deflator reflects naturally the introduction of new products and changing consumer habits.


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Definition Sources


Definitions for Deflator are sourced/syndicated and enhanced from:

  • A Dictionary of Economics (Oxford Quick Reference)
  • Oxford Dictionary Of Accounting
  • Oxford Dictionary Of Business & Management

This glossary post was last updated: 9th February, 2020 | 4 Views.