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Ecos de Economía
versión impresa ISSN 1657-4206
Resumen
GOMEZ, Andrés; GUTIERREZ, Astrid K. y GUTIERREZ, Juan C.. Robust Estimation of beta and the hedging ratio in Stock Index Futures In the Integrated Latin American Market. ecos.econ. [online]. 2017, vol.21, n.44, pp.37-71. ISSN 1657-4206. https://doi.org/10.17230/ecos.2017.44.2.
This paper examines the effect exerted by outliers in the equity betas in the Integrated Latin American Market (MILA), estimated by two different methods: ordinary least squares (OLS) and robust estimation (RMM). To illustrate the empirical relevance of the estimated betas, we evaluate the hedging ratio using stock index futures. The results indicate that the estimates made by the RMM method provide a better fit and increase the efficiency of a hedging strategy when there are outliers in the estimation window of beta.
Palabras clave : estimation of beta; robust statistics MM (RMM); ordinary least squares (OLS); hedging ratio with stock MILA market index futures.