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Inflation Dynamics: Dead, Dormant, or Determined Abroad?

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  • Forbes, Kristin
Abstract
Inflation dynamics have been difficult to explain over the last decade. This paper explores if a more comprehensive treatment of globalization can help. CPI inflation has become more synchronized around the world since the 2008 crisis, but core and wage inflation have become less synchronized. Global factors (including commodity prices, world slack, exchange rates, and global value chains) are significant drivers of CPI inflation in a cross-section of countries, and their role has increased over the last decade, particularly the role of non-fuel commodity prices. These global factors, however, do less to improve our understanding of core and wage inflation. Key results are robust to using a less-structured trend-cycle decomposition instead of a Phillips curve framework, with the set of global variables more important for understanding the cyclical component of inflation over the last decade, but not the underlying slow-moving inflation trend. Domestic slack still plays a role for all the inflation measures, although globalization has caused some “flattening†of this relationship, especially for CPI inflation. Although CPI inflation is increasingly “determined abroad†, core and wage inflation is still largely a domestic process.

Suggested Citation

  • Forbes, Kristin, 2019. "Inflation Dynamics: Dead, Dormant, or Determined Abroad?," CEPR Discussion Papers 14195, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:14195
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    More about this item

    Keywords

    inflation; Phillips curve; Trend-cycle; Price dynamics; Globalization; Commodity prices;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F62 - International Economics - - Economic Impacts of Globalization - - - Macroeconomic Impacts

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