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The All-Gap Phillips Curve

Author

Listed:
  • James McNeil

    (Dalhousie University)

  • Gregor W. Smith

    (Queen's University)

Abstract
The all-gap Phillips curve (PC) explains inflation by expected inflation and an activity variable such as output or the unemployment rate, but with both inflation and the activity variable measured relative to their stochastic trends and thus as gaps. We study this relationship with minimal auxiliary assumptions and under rational expectations (RE). We show restrictions on an unobserved-components model that identify the Phillips curve parameters, first with an autonomous output gap and second with output and inflation gaps following a VAR. For the US, UK, and Canada both cases yield all-gap PCs with slopes of the expected signs,but there is little support for the restrictions implied by RE.

Suggested Citation

  • James McNeil & Gregor W. Smith, 2022. "The All-Gap Phillips Curve," Working Paper 1488, Economics Department, Queen's University.
    • Handle: RePEc:qed:wpaper:1488
    as

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    References listed on IDEAS

    as
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    More about this item

    Keywords

    inflation; Phillips curve; unobserved components;
    All these keywords.

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation

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