The extent of the maximum likelihood estimator for the extreme value index |
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Authors: | Chen Zhou |
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Institution: | De Nederlandsche Bank, The Netherlands Erasmus University Rotterdam, The Netherlands |
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Abstract: | In extreme value analysis, staring from Smith (1987) 1], the maximum likelihood procedure is applied in estimating the shape parameter of tails—the extreme value index γ. For its theoretical properties, Zhou (2009) 12] proved that the maximum likelihood estimator eventually exists and is consistent for γ>−1 under the first order condition. The combination of Zhou (2009) 12] and Drees et al (2004) 11] provides the asymptotic normality under the second order condition for γ>−1/2. This paper proves the asymptotic normality for −1<γ≤−1/2 and the non-consistency for γ<−1. These results close the discussion on the theoretical properties of the maximum likelihood estimator. |
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Keywords: | primary 62G05 |
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