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The Inflation Accelerator

Author

Listed:
  • Andres Blanco
  • Corina Boar
  • Callum J. Jones
  • Virgiliu Midrigan

Abstract

We develop a tractable sticky price model in which the fraction of price changes evolves endogenously over time and, consistent with the evidence, increases with inflation. Because we assume that firms sell multiple products and choose how many, but not which, prices to adjust in any given period, our model admits exact aggregation and reduces to a one-equation extension of the Calvo model. This additional equation determines the fraction of price changes. The model features a powerful inflation accelerator—a feedback loop between inflation and the fraction of price changes—that significantly increases the slope of the Phillips curve during periods of high inflation. Applied to the U.S. time series, our model predicts that the slope of the Phillips curve ranges from 0.02 in the 1990s to 0.12 in the 1970s and 1980s.

Suggested Citation

  • Andres Blanco & Corina Boar & Callum J. Jones & Virgiliu Midrigan, 2024. "The Inflation Accelerator," FRB Atlanta Working Paper 12, Federal Reserve Bank of Atlanta.
    • Handle: RePEc:fip:fedawp:99192
    DOI: 10.29338/wp2024-12
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    More about this item

    Keywords

    Phillips curve; inflation; price rigidities;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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