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The Effect of Central Bank Communication on the Capital Buffer of Banks: Evidence from an Emerging Economy

Author

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  • Rodolfo Tomás da Fonseca Nicolay

    (Catholic University of Petrópolis; Candido Mendes University)

  • Claudio Oliveira de Moraes

    (Central Bank of Brazil; Candido Mendes University)

  • Bruno Pires Tiberto

    (Central Bank of Brazil)

Abstract

The global financial crisis has revealed that the coordination between monetary policy and financial stability should be part of economic policy. This study examines the effects of monetary policy on the capital buffer (financial stability proxy) in the Brazilian economy and, in particular, how communication about both monetary policy and normative macroprudential policy affect the capital buffer maintained by banks. The study presents three main results: i) banks react strongly to monetary policy changes by increasing (reducing) the capital buffer in response to an increase (decrease) in the interest rate; ii) banks increase (decrease) the capital buffer when the central bank monetary policy communication signals an increase (decrease) in interest rates; and iii) banks use the capital buffer to accommodate the new measures of regulatory capital: the announcement of restrictive (liberalizing) capital measures reduces (increases) the capital buffer.

Suggested Citation

  • Rodolfo Tomás da Fonseca Nicolay & Claudio Oliveira de Moraes & Bruno Pires Tiberto, 2018. "The Effect of Central Bank Communication on the Capital Buffer of Banks: Evidence from an Emerging Economy," Econometric Research in Finance, SGH Warsaw School of Economics, Collegium of Economic Analysis, vol. 3(1), pages 1-26, September.
    • Handle: RePEc:sgh:erfinj:v:3:y:2018:i:1:p:1-26
    DOI: 10.33119/ERFIN.2018.3.1.1
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    2. Montes, Gabriel Caldas & Valladares, Matheus & de Moraes, Claudio Oliveira, 2021. "Impacts of the sovereign risk perception on financial stability: Evidence from Brazil," The Quarterly Review of Economics and Finance, Elsevier, vol. 81(C), pages 358-369.

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    More about this item

    Keywords

    central bank communication; capital buffer; monetary policy; financial stability;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation

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