Ahn, Hie Joo; Luciani, Matteo - 2021
This paper decomposes consumer price inflation into pure inflation, relative price inflation, and idiosyncratic … inflation by estimating a dynamic factor model á la Reis and Watson (2010) on a data set of 146 monthly disaggregated prices … from 1995 to 2019. We find that pure inflation is the trend around which PCE price inflation fluctuates, while relative …