Discretionary policy exploiting learning in a sticky-information model of the inflation-output trade-off: Bridging the gap to commitment

Christian Jensen ()

Journal of Macroeconomics, 2014, vol. 40, issue C, 150-158

Abstract: When present and past policy is used to learn about policymaking and predict future policy, central banks can exploit this to influence expectations and thereby improve policy without making any commitments. In a sticky-information model of the inflation-output trade-off, we show how the optimal discretionary policy exploiting learning converges towards the optimal commitment rule when the discounted sum of the weights the public’s policy-forecasting equation puts on past policy actions converges towards unity. While learning makes the optimal present policy action depend on the policy implemented in the past, the central bank can potentially reduce this dependency by influencing expectations through the public’s learning.

Keywords: Commitment; Discretion; Learning; Monetary policy; Sticky information (search for similar items in EconPapers)
JEL-codes: E52 E61 (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jmacro:v:40:y:2014:i:c:p:150-158

DOI: 10.1016/j.jmacro.2014.03.004

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