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Disinflation and Reliability of Underlying Inflation Measures

Elena Deryugina and Alexey Ponomarenko

Central European Journal of Economic Modelling and Econometrics, 2020, vol. 12, issue 1, 91-111

Abstract: We estimated a non-Stationary dynamic factor model and used it to generate artificial episodes of disinflation (permanent changes in the mean inflation rate). These datasets were used to test the forecasting abilities of alternative underlying inflation indicators (i.e. measures that capture sustained movements in inflation extracted from information in a disaggregated set of price data). We found that the out of sample forecast errors of the benchmark underlying inflation measures (based on unobserved trend extraction) are more severely affected by disinflation than the alternative simpler methods (based on exclusion or re-weighting approaches). We also show that a non-stationary dynamic factor model may be employed for the extraction of the unobserved trend to be used as an underlying inflation measure.

Keywords: underlying inflation; non-stationary dynamic factor model; Russia (search for similar items in EconPapers)
JEL-codes: C32 E31 E32 E52 (search for similar items in EconPapers)
Date: 2020
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Working Paper: Disinflation and reliability of underlying inflation measures (2019) Downloads
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Handle: RePEc:psc:journl:v:12:y:2020:i:1:p:91-111