Imperfect Information, Shock Heterogeneity, and Inflation Dynamics

Tatsushi Okuday, Tomohiro Tsurugaz and Francesco Zanetti
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Tatsushi Okuday: Bank of Japan
Tomohiro Tsurugaz: International Monetary Fund

No 1906, BCAM Working Papers from Birkbeck Centre for Applied Macroeconomics

Abstract: We establish novel empirical regularities on firms' expectations about aggregate and idiosyncratic components of sectoral demand using industry-level survey data for the universe of Japanese firms. Expectations of the idiosyncratic component of demand differ across sectors, and they positively co-move with expectations about the aggregate component of demand. To study the implications for inflation, we develop a model with firms that form expectations based on the inference of distinct shocks from a common signal. We show that the sensitivity of inflation to changes in demand decreases with the volatility of idiosyncratic component of demand that proxies the degree of shock heterogeneity. We apply principal component analysis on Japanese sectoral-level data to estimate the degree of shock heterogeneity, and we establish that the observed increase in shock heterogeneity plays a significant cant role for the reduced sensitivity of inflation to movements in real activity since the late 1990s.

JEL-codes: C72 D82 E31 (search for similar items in EconPapers)
Date: 2019-09
New Economics Papers: this item is included in nep-mac
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Citations: View citations in EconPapers (4)

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https://eprints.bbk.ac.uk/28916/1/28916.pdf First version, 2019

Related works:
Working Paper: Imperfect Information, Shock Heterogeneity, and Inflation Dynamics (2019)
Working Paper: Imperfect Information, Shock Heterogeneity, and Inflation Dynamics (2019)
Working Paper: Imperfect Information, Shock Heterogeneity, and Inflation Dynamics (2019)
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