Crato, Nuno; Ray, Bonnie K. - In: Journal of Futures Markets 20 (2000) 6, pp. 525-543
Various authors claim to have found evidence of stochastic long‐memory behavior in futures’ contract returns using the Hurst statistic. This paper reexamines futures’ returns for evidence of persistent behavior using a biased‐corrected version of the Hurst statistic, a nonparametric...