Central bank credibility and the expectations channel: Evidence based on a new credibility index

Grégory Levieuge, Yannick Lucotte and Sébastien Ringuedé

No 209, NBP Working Papers from Narodowy Bank Polski

Abstract: This article investigates the relationship between central bank credibility and the volatility of the key monetary policy instrument. Two main contributions are proposed. First, we propose a time-varying measure of central bank credibility based on the gap between inflation expectations and the official inflation target. While this new index addresses the main limitations of the existing indicators, it also appears particularly suited to assess the monetary experiences of a large sample of inflation-targeting emerging countries. Second, by means of EGARCH estimations, we formally prove the existence of a negative effect of credibility on the volatility of the short-term interest rate. Thus, in line with the expectations channel of monetary policy, the higher the credibility of the central bank, the lower the need to move its instruments to efficiently fulfill its objective.

Keywords: Credibility; Inflation targeting; Emerging countries; EGARCH; Expectations (search for similar items in EconPapers)
JEL-codes: E43 E52 E58 (search for similar items in EconPapers)
Date: 2015
New Economics Papers: this item is included in nep-cba, nep-mac and nep-mon
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Journal Article: Central bank credibility and the expectations channel: evidence based on a new credibility index (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:nbp:nbpmis:209

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