On the maximum likelihood estimator for the Generalized Extreme-Value distribution |
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Authors: | Email author" target="_blank">Axel?BücherEmail author Johan?Segers |
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Institution: | 1.Ruhr-Universit?t Bochum,Fakult?t für Mathematik,Bochum,Germany;2.Institut de Statistique, Biostatistique et Sciences Actuarielles,Université Catholique de Louvain,Louvain-la-Neuve,Belgium |
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Abstract: | The vanilla method in univariate extreme-value theory consists of fitting the three-parameter Generalized Extreme-Value (GEV) distribution to a sample of block maxima. Despite claims to the contrary, the asymptotic normality of the maximum likelihood estimator has never been established. In this paper, a formal proof is given using a general result on the maximum likelihood estimator for parametric families that are differentiable in quadratic mean but whose supports depend on the parameter. An interesting side result concerns the (lack of) differentiability in quadratic mean of the GEV family. |
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