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Inflation and Activity – Two Explorations and their Monetary Policy Implications

Author

Listed:
  • Mr. Olivier J Blanchard
  • Mr. Eugenio M Cerutti
  • Lawrence Summers
Abstract
We explore two issues triggered by the crisis. First, in most advanced countries, output remains far below the pre-recession trend, suggesting hysteresis. Second, while inflation has decreased, it has decreased less than anticipated, suggesting a breakdown of the relation between inflation and activity. To examine the first, we look at 122 recessions over the past 50 years in 23 countries. We find that a high proportion of them have been followed by lower output or even lower growth. To examine the second, we estimate a Phillips curve relation over the past 50 years for 20 countries. We find that the effect of unemployment on inflation, for given expected inflation, decreased until the early 1990s, but has remained roughly stable since then. We draw implications of our findings for monetary policy.

Suggested Citation

  • Mr. Olivier J Blanchard & Mr. Eugenio M Cerutti & Lawrence Summers, 2015. "Inflation and Activity – Two Explorations and their Monetary Policy Implications," IMF Working Papers 2015/230, International Monetary Fund.
    • Handle: RePEc:imf:imfwpa:2015/230
    as

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    References listed on IDEAS

    as
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    More about this item

    Keywords

    WP; recession trend; inflation expectation; output trend; Recessions; Hysteresis; Phillips Curve; Monetary Policy; unemployment gap; inflation unemployment relation; recession episode; time trend; recession gap; Inflation; Output gap; Oil prices; Disinflation; Europe;
    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
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General

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