Stock Market Reaction to Monetary Policy: An Event Study Analysis of the Brazilian Case

Flávio de Freitas Val, Marcelo Klotzle, Antonio Carlos Figueiredo Pinto and Claudio Henrique da Silveira Barbedo

Emerging Markets Finance and Trade, 2018, vol. 54, issue 11, 2577-2595

Abstract: This article examines the relationship between the monetary policy implemented by the Central Bank of Brazil and the stock market. We implement event study analysis and analyze the effect of the anticipated and unanticipated components of monetary policy decisions on the returns of the IBOVESPA index and 53 stocks. We find that monetary policy has a significant effect on the stock market, but is only responsible for a small proportion of market variation. The analysis at the sector level with expected returns identifies that the financial sector is the most affected by this policy, whereas with excess returns only industrial goods are significantly affected. Moreover, individual assets respond in a rather heterogeneous fashion to monetary policy; however, when we look at excess returns, we identify a reduction in the intensity and in the number of companies impacted by monetary policy. Finally, the monetary shock is explained by unanticipated variations in the unemployment rate, in the Industrial Production Index, in the General Market Price Index, and in the Broad Consumer Price Index.

Date: 2018
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DOI: 10.1080/1540496X.2017.1364622

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