read on prices in the previous month. PCE is typically revised three times in each of the months following the end of a quarter, and then the entire NIPA tables are re-based annually and every five years. Despite all these conceptual and methodological differences, the two indexes track fairly closely when averaged over several years. See also Price index GDP deflator (IPD for GDP) Household final consumption expenditure (HFCE) Inflation References External links Data Briefing.com: Personal Income and Spending Briefing.com: CPI (the core CPI as a comparison) Current News Releases from the Bureau of Economic Analysis (click on "Personal Income and Outlays", then skip to Tables 9 and 11 near the bottom.) St. Louis Federal Reserve FRED2 PCE data index Articles Personal Consumption Expenditures - PCE FAQ: What is the "market-based" PCE price index? Implicit Price Deflator for Personal Consumption Expenditures - Referendum 47's Measure of Inflation Implicit Price Deflator Information FRB: Monetary Policy Report to the Congress - February 17, 2000 TheStreet.com: Meet the Fed's Elusive New Inflation Target Price indices