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There exist several estimators of the memory parameter in long-memory time series models with mean µ and the spectrum specified only locally near zero frequency. In this paper we give a lower bound for the rate of convergence of any estimator of the memory parameter as a function of the degree...
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In Giraitis, Robinson, and Samarov (1997), we have shown that the optimal rate for memory parameter estimators in semiparametric long memory models with degree of "local smoothness" [beta] is n-r([beta]), r([beta])=[beta]/(2[beta]+1), and that a log-periodogram regression estimator (a modified...
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Les activités équestres connaissent depuis une trentaine d’années un développement spectaculaire. Ainsi, le nombre de licenciés de la Fédération Française d’Equitation est passé de 266000 en 1992 à plus de 700000 en 2011, la plaçant comme troisième fédération sportive nationale...
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