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Constrained Discretion and Central Bank Transparency
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Constrained Discretion and Central Bank Transparency

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  • Francesco Bianchi
  • Leonardo Melosi

Abstract

We develop a theoretical framework to quantitatively assess the general equilibrium effects and welfare implications of central bank reputation and transparency. Monetary policy alternates between periods of active inflation stabilization and periods during which the emphasis on inflation stabilization is reduced. When the central bank only engages in short deviations from active monetary policy, inflation expectations remain anchored and the model captures the monetary approach described as constrained discretion. However, if the central bank deviates for a prolonged period of time, agents gradually become pessimistic about future monetary policy, the disanchoring of inflation expectations occurs, and uncertainty rises. Reputation determines the speed with which agents' pessimism accelerates once the central bank starts deviating. When the model is fitted to U.S. data, we find that the Federal Reserve can accommodate contractionary technology shocks for up to five years before inflation expectations take off. Increasing transparency would improve welfare by anchoring agents' expectations. Gains from transparency are even more sizeable for countries whose central banks have weak reputation.

Suggested Citation

  • Francesco Bianchi & Leonardo Melosi, 2013. "Constrained Discretion and Central Bank Transparency," Working Papers 13-13, Duke University, Department of Economics.
    • Handle: RePEc:duk:dukeec:13-13
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    More about this item

    Keywords

    Bayesian learning; reputation; uncertainty; inflation expectations; Markov-switching models; impulse response;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General

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