Is inflation persistence different in reality?

Nikolaos Antonakakis, Juncal Cunado, Luis A. Gil-alana, Rangan Gupta

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This study examines the inflation persistence using both online and official price indexes in Argentina, Brazil, China, Japan, Germany, South Africa, the UK and the US, using fractional integration technique. The main results suggest that the degree of persistence, estimated by the long-memory parameter, is smaller when using online price indexes (believed to be a more realistic measure of inflation), mainly in the cases of Argentina, Brazil, China and the UK. Monetary policy implications are discussed.
Original languageEnglish
Pages (from-to)55-58
JournalEconomics Letters
Early online date20 Sep 2016
Publication statusPublished - 1 Nov 2016


  • official and online consumer price indexes
  • fractional integration
  • persistence


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