Shocks and government beliefs

The rise and fall of American inflation

Thomas Sargent, Noah Williams, Tao Zha

    Research output: Contribution to journalArticle

    Abstract

    We use a Bayesian Markov Chain Monte Carlo algorithm to estimate the parameters of a "true" data-generating mechanism and those of a sequence of approximating models that a monetary authority uses to guide its decisions. Gaps between a true expectational Phillips curve and the monetary authority's approximating nonexpectational Phillips curve models unleash inflation that a monetary authority that knows the true model would avoid. A sequence of dynamic programming problems implies that the monetary authority's inflation target evolves as its estimated Phillips curve moves. Our estimates attribute the rise and fall of post-WWII inflation in the United States to an intricate interaction between the monetary authority's beliefs and economic shocks. Shocks in the 1970s made the monetary authority perceive a tradeoff between inflation and unemployment which ignited big inflation. The monetary authority's beliefs about the Phillips curve changed in ways that account for former Federal Reserve Chairman Paul Volcker's conquest of U.S.

    Original languageEnglish (US)
    Pages (from-to)1193-1224
    Number of pages32
    JournalAmerican Economic Review
    Volume96
    Issue number4
    DOIs
    StatePublished - Sep 2006

    Fingerprint

    Government
    Authority
    Inflation
    Phillips curve
    Economic shocks
    Federal Reserve
    Markov chain Monte Carlo
    Trade-offs
    Interaction
    Unemployment
    Second World War
    Chairmen
    Dynamic programming
    Inflation target

    ASJC Scopus subject areas

    • Economics and Econometrics

    Cite this

    Shocks and government beliefs : The rise and fall of American inflation. / Sargent, Thomas; Williams, Noah; Zha, Tao.

    In: American Economic Review, Vol. 96, No. 4, 09.2006, p. 1193-1224.

    Research output: Contribution to journalArticle

    Sargent, Thomas ; Williams, Noah ; Zha, Tao. / Shocks and government beliefs : The rise and fall of American inflation. In: American Economic Review. 2006 ; Vol. 96, No. 4. pp. 1193-1224.
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