Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/219305
Authors: 
Tumala, Mohammed M.
Omotosho, Babatunde S.
Year of Publication: 
2019
Citation: 
[Journal:] CBN Journal of Applied Statistics [ISSN:] 2476-8472 [Volume:] 10 [Year:] 2019 [Issue:] 2 [Pages:] 73-107
Abstract: 
This paper employs text-mining techniques to analyse the communication strategy of the Central Bank of Nigeria (CBN) during the period 2004-2019. Since the policy communique released after each meeting of the CBN's monetary policy committee (MPC) represents an important tool of central bank communication, we construct a corpus based on 87 policy communiques with a total of 123, 353 words. Having processed the textual data into a form suitable for analysis, we examined the readability, sentiments, and topics of the policy documents. While the CBN's communication has increased substantially over the years, implying increased monetary policy transparency; the computed Coleman and Liau readability index shows that the word and sentence structures of the policy communiques have become more complex, thus reducing its readability. In terms of monetary policy sentiments, we find an average net score of - 10.5 per cent, reflecting the level of policy uncertainties faced by the MPC over the sample period. In addition, our results indicate that the topics driving the linguistic contents of the communiques were influenced by the Bank's policy objectives as well as the nature of shocks hitting the economy per period.
Subjects: 
Central bank communication
Text mining
Monetary policy
JEL: 
E52
E58
E32
E61
Persistent Identifier of the first edition: 
Document Type: 
Article

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