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Should We Reject the Natural Rate Hypothesis?

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  • Olivier J Blanchard

    () (Peterson Institute for International Economics)

Abstract

Fifty years ago, Milton Friedman articulated the natural rate hypothesis. It was composed of two sub-hypotheses: First, the natural rate of unemployment is independent of monetary policy. Second, there is no long-run tradeoff between the deviation of unemployment from the natural rate and inflation. Both propositions have been challenged. Blanchard reviews the arguments and the macro and micro evidence against each and concludes that, in each case, the evidence is suggestive but not conclusive. Policymakers should keep the natural rate hypothesis as their null hypothesis but keep an open mind and put some weight on the alternatives.

Suggested Citation

  • Olivier J Blanchard, 2017. "Should We Reject the Natural Rate Hypothesis?," Working Paper Series WP17-14, Peterson Institute for International Economics.
  • Handle: RePEc:iie:wpaper:wp17-14
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    More about this item

    Keywords

    Unemployment; Hysteresis; Inflation; Phillips Curve; Fluctuations;
    All these keywords.

    JEL classification:

    • E10 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - General
    • E2 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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