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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

[en] FOREIGN EXCHANGE INTERVENTIONS AND COVERED INTEREST PARITY DEVIATIONS / [pt] INTERVENÇÕES CAMBIAIS E DESVIOS NA PARIDADE COBERTA DA TAXA DE JUROS

DANIEL MALVEZZI DOINE 18 September 2020 (has links)
[pt] Tradicionalmente, muitos trabalhos têm estudado os efeitos das intervenções cambiais esterilizadas nas taxas de câmbio, tanto empiricamente quanto teoricamente, encontrando resultados mistos. Mais recentemente, a literatura de finanças internacionais têm procurado explicar os desvios na Paridade Coberta da Taxa de Juros (PCJ), que vem sendo observado entre as moedas das economias desenvolvidas após a Grande Crise Financeira de 2008. Neste trabalho, ligamos as duas literaturas ao estudar o efeito das intervenções cambiais nos desvios na paridade coberta de juros. Nossa amostra consiste nas intervenções realizadas pelo Banco Central do Brasil entre os anos de 2009 e 2020. Este período contempla o programa de intervenções pré-anunciadas de 2013, implementado no contexto do Taper Tantrum, e que já mostrou ter afetado significantemente as taxas de câmbio (Chamon, Garcia e Souza (2017) ). Para avaliar os efeitos, construímos uma série contrafactual utilizando a metodologia ArCo, desenvolvida por Carvalho, Masini e Medeiros (2018), e também estimando funções impulso resposta utilizando Local Projection, desenvolvida por Jordà (2005). Os resultados indicam que a venda de dólares no mercado futuro aumentam os desvios na PCJ, enquanto que compras de dólares tem o efeito oposto. A oferta de dólares via contratos de recompra diminui os desvios no curto prazo. As intervenções no mercado a vista apresentam resultados inconclusivos. / [en] Traditionally, much has been written about the effects of FX (foreign exchange) sterilized interventions on exchange rates, both theoretically and empirically, with mixed results. More recently, the international finance literature has tried to explain the deviations from the well-known Covered Interest Parity (CIP) condition that have, since the 2008 Great Financial Crisis, arisen among advanced economies currencies. Here, we originally merge these two strands of the literature by analyzing the effects of sterilized FX interventions on the CIP (Covered Interest Parity) deviation. Our sample is composed of Brazilian Central Bank FX interventions between 2009 and 2020. This period contains a major program of announced FX interventions in response to the Taper Tantrum, in 2013, which has already been shown to have significantly affected the level of the exchange rate (Chamon, Garcia, and Souza (2017)). To gauge the effects, we build a counterfactual employing the ArCo methodology, developed by Carvalho, Masini, and Medeiros (2018), and also make use of Jordà (2005) Local Projections. The results indicate that selling US dollars in the futures market increases CIP deviations while buying US dollar futures has the opposite effect. Offering US dollar repo credit lines points to a short-lived decrease in the deviation. The number of sterilized sales or purchases of spot currency seems not to be high enough to lead to conclusive results.

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