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Revista de Economia
Article . 2026 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Swap cambial e volatilidade condicional da taxa de câmbio futuro real/dólar em períodos de crise

Currency Swap and the Conditional Volatility of the BRL/USD Futures Exchange Rate during Periods of Domestic Crises, Elections and Covid-19
Authors: Marcelo da Silva Bego; Joanna Georgios Alexopoulos; Danilo Augusto Marinelli;

Swap cambial e volatilidade condicional da taxa de câmbio futuro real/dólar em períodos de crise

Abstract

Para países em desenvolvimento a volatilidade na taxa de câmbio apresenta uma relação negativa com o produto, portanto este artigo analisa a efetividade das intervenções do Banco Central brasileiro, via contratos de swap na diminuição da volatilidade da taxa de câmbio futura real/dólar (BRL/USD) entre 2017 e 2020, para perídos de crise selecionados. Estimando o modelo E-GARCH os resultados apontam um aumento na volatilidade condicional nos períodos de crise, uma relação mais forte entre a depreciação inesperada da taxa de câmbio e o aumento na volatilidade condicional comparada com uma apreciação inesperada e que as intervenções via cotratos de swap são estatisticamente significantes e negativas, ou seja, reduziram a volatilidade condicional.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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