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- Title
Análise da eficiência do mercado futuro brasileiro de boi gordo usando co-integração.
- Authors
Moraes, André Steffens; Lima, Ricardo Chaves; de Souza Melo, André
- Abstract
The hypothesis that future prices are unbiased predictors of spot prices is a joint hypothesis that markets are efficient and risk premium are absent. However, the unbiasedness hypothesis may be rejected in the presence of a risk premium, even when the market is efficient. The objective of this article is to test market efficiency for the Brazilian live cattle while permitting the presence of risk premium, using cointegration techniques. Results show that the future markets for live cattle are efficient and unbiasedness in the long run, and does not depend of the presence of a risk premium.
- Subjects
BRAZIL; SPOT prices; RISK premiums; RATE of return; CATTLE marketing; TIME series analysis
- Publication
Revista de Economia e Sociologia Rural, 2009, Vol 47, Issue 3, p601
- ISSN
0103-2003
- Publication type
Article
- DOI
10.1590/S0103-20032009000300003