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Changes in the explanation of inflation

Author

Listed:
  • Ábel, István
  • Bognár, Gergely
  • Lóga, Máté
  • Szabó, István Attila

Abstract

Most discussion of inflation in 2021-2022 have focused on product market shocks rather than unemployment indicators. The Phillips curve approach, which provides the traditional theoretical framework, was questioned. In addition to the surge in food and energy prices, many new inflationary factors have come to the fore, such as the disruption in supply chains, as well as fiscal spending and loose monetary policy in the context of the pandemic. These factors do not fit into the traditional approach. In this paper, we review the main literature on the US and European economies to see how the analytical framework represented by the Phillips curve can be adapted to analyse the current situation. Since its inception, the Phillips curve approach has undergone significant changes reflecting changes in the nature of inflation. For example, the unemployment gap was later replaced by the output gap. In the current situation, the output gap has been replaced by arguments in favour of the inclusion of enterprise pricing, marginal cost and the profit rate.

Suggested Citation

  • Ábel, István & Bognár, Gergely & Lóga, Máté & Szabó, István Attila, 2024. "Changes in the explanation of inflation," Public Finance Quarterly, Corvinus University of Budapest, vol. 70(1), pages 108-130.
    • Handle: RePEc:pfq:journl:v:70:y:2024:i:1:p:108-130
    DOI: https://doi.org/10.35551/PFQ_2024_1_6
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    More about this item

    Keywords

    inflation; Phillips curve; enterprise pricing; output gap; unemployment gap;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E47 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Forecasting and Simulation: Models and Applications
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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