Estimating Daily Inflation Using Scanner Data : A Progress Report

Preprint, External research report English OPEN
Kota Watanabe; Tsutomu Watanabe;
(2014)
  • Publisher: UTokyo Price Project
  • Journal: JSPS Grants-in-Aid for Scientific Research (S) Understanding Persistent Deflation in Japan Working Paper Series,volume 37
  • Subject: chain drift | scanner data | trimmed means | deflation | JEL Classification Number: E31; C43 | consumer price index | scanner data; consumer price index; T¨ornqvist index; chain drift; trimmed means; regular and sale prices; deflation | Törnqvist index | regular and sale prices
    • jel: jel:E31 | jel:C43

We construct a Törnqvist daily price index using Japanese point of sale (POS) scanner data spanning from 1988 to 2013. We find the following. First, the POS based inflation rate tends to be about 0.5 percentage points lower than the CPI inflation rate, although the dif... View more
  • References (5)

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