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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

Mercado cambial brasileiro entre 2002 e 2007: racional e eficiente?

Fernandes, Cláudio Silva 03 February 2009 (has links)
Made available in DSpace on 2010-04-20T21:00:49Z (GMT). No. of bitstreams: 4 Claudio Silva Fernandes.pdf.jpg: 15531 bytes, checksum: 06624c6396692b27555a76bc097ad3c1 (MD5) Claudio Silva Fernandes.pdf.txt: 168107 bytes, checksum: b9af0f030138df1201e2fa9cb58af88d (MD5) Claudio Silva Fernandes.pdf: 1959114 bytes, checksum: 949b0ca856496444c59519b11fe20dea (MD5) license.txt: 4886 bytes, checksum: 42bde912d1e71b353a73ebd1e1e92eb2 (MD5) Previous issue date: 2009-02-03T00:00:00Z / The objective of this paper is to present a revision of the empirical literature of rational expectations and market efficiency of the foreign exchange market and to test this revision over the Brazilian foreign exchange market between 2002 and 2007 in three different forecast horizon, using (i) survey data of the Brazilian Central Bank to identify if predictable forward bias is due to the risk premium or the expectational errors, and (ii) the ordinary least square and vector autoregression. While in the short run, the market is efficient and irrational, in the long run, the forward in not related with the spot. In addition, we conclude that the heterogeneity of the market agents influence the foreign exchange variation in the short run, and the expectations are persistent after an shift in the regime. / O objetivo desse trabalho é apresentar revisão da literatura empírica sobre a racionalidade das expectativas e eficiência do mercado de câmbio e aplicar essa revisão sobre o mercado de câmbio brasileiro entre 2002 e 2007 em três horizontes distintos de tempo, utilizando-se (i) de dados da pesquisa Focus do Banco Central do Brasil para podermos identificar se o viés de predição do forward é devido ao prêmio de risco cambial ou a formação das expectativas e (ii) dos métodos dos mínimos quadrados ordinários e do vetor auto-regressivo. No curto prazo o mercado é eficiente e irracional, enquanto que, no longo prazo, o forward não está relacionado com o câmbio à vista. Além disso, constatamos que a heterogeneidade dos agentes nesse mercado influencia a variação cambial no curto prazo, e as expectativas possuem uma persistência após um choque estrutural.

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