The relationship between monetary policy shocks and the Brazilian stock market

Authors

  • Regis Augusto Ely Departamento de Economia / Universidade Federal de Pelotas (UFPel)
  • Vinícius Halmenschlager Departamento de Economia / Universidade Federal do Rio Grande (FURG)
  • Luís Antônio Winck Cechin Programa de Pós-Graduação em Organizações e Mercados (PPGOM/UFPel)
  • Rodrigo Nobre Fernandez Departamento de Economia / Universidade Federal de Pelotas (UFPel)

Abstract

This article investigates the relationship between monetary policy shocks and the Brazilian stock market. We use a structural model based on Bjornland and Leitemo (2009) where we identify monetary shocks with a combination of restrictions on short and long term, which retains the properties preconized by the economic theory. The results indicate
that IBrX falls 0.5% immediately after an unexpected monetary policy shock that increases the Selic rate by 100 basis points. On the other side, we found that a shock that increases IBrX by 1% leads to an increase in Selic of 75 basis points. This results show that: (i) economy agents adjust their portfolios from equities to fixed income after restrictive monetary shocks; (ii) stock market returns are one of the parameters that determines the monetary policy decisions in Brazil.

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Author Biography

Regis Augusto Ely, Departamento de Economia / Universidade Federal de Pelotas (UFPel)

Professor Adjunto no Departamento de Economia e no Mestrado em Economia Aplicada (PPGOM) da Universidade Federal de Pelotas (UFPel), bem como Doutor em Economia pela Universidade de Brasília (UnB).

Published

2018-11-01

Issue

Section

Artigos