Personal Consumption Expenditures Price Index
The Personal Consumption Expenditure (PCE) measure is the component statistic for consumption in GDP collected by the BEA. It consists of the actual and imputed expenditures of households and includes data pertaining to durable and non-durable goods and services. It is essentially a measure of goods and services targeted towards individuals and consumed by individuals.
The PCE price index (PCEPI), also referred to as the PCE deflator, PCE price deflator, or the Implicit Price Deflator for Personal Consumption Expenditures (IPD for PCE) by the BEA, and as the Chain-type Price Index for Personal Consumption Expenditures (CTPIPCE) by the FOMC, is a United States-wide indicator of the average increase in prices for all domestic personal consumption. It is indexed to a base of 100 in 2005. Using a variety of data including U.S. Consumer Price Index and Producer Price Index prices, it is derived from the largest component of the Gross Domestic Product in the BEA's National Income and Product Accounts, personal consumption expenditures.
The less volatile measure of the PCE price index is the core PCE (CPCE) price index which excludes the more volatile and seasonal food and energy prices.
In comparison to the headline United States Consumer Price Index, which uses one set of expenditure weights for several years, this index uses a Fisher Price Index, which uses expenditure data from both the current period and the preceding period. Also, the PCEPI uses a chained index which compares one quarter's price to the last quarter's instead of choosing a fixed base. This price index method assumes that the consumer has made allowances for changes in relative prices. That is to say, they have substituted from goods whose prices are rising to goods whose prices are stable or falling.
The PCE rises about one-third percent less than the CPI, a trend that dates back to 1992. This may be due to the failure of CPI to take into account substitution. Alternatively, an unpublished report on this difference by the BLS suggests that most of it is from different ways of calculating hospital expenses and airfares.
Read more about Personal Consumption Expenditures Price Index: Federal Reserve
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