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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

Identificação econométrica da relação entre choques de preços nos mercados de minério de ferro e de óleo combustível

Ramos, João Cardoso 27 May 2016 (has links)
Submitted by João Cardoso Ramos (joao.cardoso@neoenergia.com) on 2016-10-18T17:54:17Z No. of bitstreams: 1 Choques precos Minerio de Ferro e Oleo Combustivel_Ramos_EPGE_2016.pdf: 16472320 bytes, checksum: 23f5ab6cc05689772c15ce6d62f48270 (MD5) / Approved for entry into archive by GILSON ROCHA MIRANDA (gilson.miranda@fgv.br) on 2016-10-24T18:35:40Z (GMT) No. of bitstreams: 1 Choques precos Minerio de Ferro e Oleo Combustivel_Ramos_EPGE_2016.pdf: 16472320 bytes, checksum: 23f5ab6cc05689772c15ce6d62f48270 (MD5) / Approved for entry into archive by GILSON ROCHA MIRANDA (gilson.miranda@fgv.br) on 2016-11-08T12:45:12Z (GMT) No. of bitstreams: 1 Choques precos Minerio de Ferro e Oleo Combustivel_Ramos_EPGE_2016.pdf: 16472320 bytes, checksum: 23f5ab6cc05689772c15ce6d62f48270 (MD5) / Made available in DSpace on 2016-11-08T13:21:48Z (GMT). No. of bitstreams: 1 Choques precos Minerio de Ferro e Oleo Combustivel_Ramos_EPGE_2016.pdf: 16472320 bytes, checksum: 23f5ab6cc05689772c15ce6d62f48270 (MD5) Previous issue date: 2016-05-27 / This paper analyzes the relation between iron ore and bunker oil prices` returns for the period from June, 2008 to March, 2016. For this purpose, econometric models were estimated separately (through OLS technique) as well as jointly (through SURE approach) to capture contemporaneous correlations of the shocks of both prices. The result indicates the existence of a contemporaneously monthly correlation of about 20% between the shocks. Additionally, it indicates the absence of correlation and causality when prices are compared with lags. Therefore, one can assume that mining companies with revenues linked to iron ore prices and costs linked to bunker oil prices do partially benefit from natural hedge against shocks in those two markets. / Este trabalho analisa a relação entre os choques de preços nos mercados de minério de ferro e de óleo combustível para navegação (bunker oil) no período entre junho de 2008 e março de 2016. Para isso, foram estimados modelos de forma independente (via OLS) e de forma conjunta (via SURE) para capturar o efeito de correlações contemporâneas nos choques entre os preços. Os resultados apontam para a existência de correlação mensal contemporânea da ordem de 20% entre os choques de preços. Adicionalmente, mostra-se a ausência de correlação e de causalidade quando se compara os preços de mercados com defasagens. Assim, conclui-se que mineradoras com receitas atreladas a minério de ferro e custos indexados ao óleo se beneficiam parcialmente de hedge natural contra choques de preços nesses dois mercados.

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