Inflation Interdependence in Advanced Economies

This study detects a structural break in international consumer price index (CPI) inflation comovement. We estimate the dynamic common factor models with unknown breakpoints of cross-country inflation rates and global price index of all commodities. We identify two global factors from the models: a commodity global factor and a noncommodity global factor. The former is a common factor between national inflation rates and commodity price index growth; the latter is a common factor among national inflation rates. The estimation of 29 countries’ quarterly CPI inflation data from 2001:Q1 to 2018:Q2 shows a one-time break in cross-country inflation dynamics in 2008:Q4. Thereafter, the importance of global factors in explaining the national inflation rates is remarkably increased. Furthermore, the increased global inflation synchronization is mainly driven by the larger role of the noncommodity global factor rather than that of the commodity global factor.

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Inflation Interdependence in Advanced Economies

Abstract: and participants in the IXt Workshop in Time Series Econometrics and the European Central Bank NIPE Workshop for their comments and suggestions. María Dolores Gadea acknowledges financial support from

Cited by 13 publications

References 67 publications

On the Dynamics of Relative Prices and the Relationship with Inflation: An Empirical Approach

On the Dynamics of Relative Prices and the Relationship with Inflation: An Empirical Approach

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Has international CPI inflation comovement strengthened since the global financial crisis?

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