The communication reaction function of the European Central Bank. An analysis using topic modelling

Luca Alfieri () and Diana Gabrielyan
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Luca Alfieri: School of Economics and Business Administration, University of Tartu, Tartu, Estonia
Diana Gabrielyan: School of Economics and Business Administration, University of Tartu, Tartu, Estonia

Baltic Journal of Economics, 2024, vol. 24, issue 1, 58-87

Abstract: Central bank communication plays a crucial role in the conduct of monetary policy, yet the research on central bank communication, while growing, is still scarce. In this paper, we analyze the communication reaction function of the European Central Bank (ECB) through topic-based indices derived from the bank’s speeches. These indices are used as dependent variables in policy and communication reaction function models, as suggested by recent literature. The topics are extracted using Latent Dirichlet Allocation (LDA), a popular text mining algorithm for topic extraction. The ECB has recently reviewed its monetary policy strategy, which led to an increase in studies incorporating the new methods offered by text mining for analyzing the policy reaction function of the bank. We show how indices built through topic modelling can be used to study the communication reaction function of a central bank, and we examine which variables are significant for every topic communicated by the ECB.

Keywords: Monetary policy; central banking; text mining; communication reaction function (search for similar items in EconPapers)
JEL-codes: C22 C55 E52 E58 (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:bic:journl:v:24:y:2024:i:1:p:58-87

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