Source: U.S. Bureau of Economic Analysis
The Implicit Regional Price Deflator (IRPD) is the ratio of the current-dollar value of a series, such as regional personal income, to its corresponding chained-dollar value, multiplied by 100.
Metropolitan portion consists of all counties in a state that are parts of metropolitan statistical areas.
For more information about this release go to http://www.bea.gov/newsreleases/regional/rpp/rpp_newsrelease.htm or http://www.bea.gov/regional/methods.cfm.
U.S. Bureau of Economic Analysis, Implicit Regional Price Deflator: Metropolitan Portion for Iowa [IAMPIRPD], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/IAMPIRPD, December 18, 2018.