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|a (JST)3647587
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|b ger
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|a eng
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|a Bortot, Paola
|e verfasserin
|4 aut
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|a Extremes of Markov Chains with Tail Switching Potential
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|c 2003
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|a Text
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|a Computermedien
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|a A recent advance in the utility of extreme value techniques has been the characterization of the extremal behaviour of Markov chains. This has enabled the application of extreme value models to series whose temporal dependence is Markovian, subject to a limitation that prevents switching between extremely high and extremely low levels. For many applications this is sufficient, but for others, most notably in the field of finance, it is common to find series in which successive values switch between high and low levels. We term such series Markov chains with tail switching potential, and the scope of this paper is to generalize the previous theory to enable the characterization of the extremal properties of series displaying this type of behaviour. In addition to theoretical developments, a modelling procedure is proposed. A simulation study is made to assess the utility of the model in inferring the extremal dependence structure of autoregressive conditional heteroscedastic processes, which fall within the tail switching Markov family, and generalized autoregressive conditional heteroscedastic processes which do not, being non-Markov in general. Finally, the procedure is applied to model extremal aspects of a financial index extracted from the New York Stock Exchange compendium.
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|a Copyright 2003 The Royal Statistical Society
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|a Autoregressive Conditional Heteroscedastic Processes
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|a Extremal Index
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|a Extreme Value Theory
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|a Financial Series
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|a Markov Chains
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|a Multivariate Extremes
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|a Mathematics
|x Pure mathematics
|x Probability theory
|x Random variables
|x Stochastic processes
|x Markov processes
|x Markov chains
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|a Applied sciences
|x Research methods
|x Modeling
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|a Mathematics
|x Applied mathematics
|x Statistics
|x Applied statistics
|x Statistical models
|x Parametric models
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|a Business
|x Business economics
|x Commercial production
|x Production resources
|x Resource management
|x Logistics
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|a Applied sciences
|x Research methods
|x Modeling
|x Simulations
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|a Mathematics
|x Applied mathematics
|x Statistics
|x Applied statistics
|x Descriptive statistics
|x Statistical distributions
|x Distribution functions
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|a Physical sciences
|x Astronomy
|x Spherical astronomy
|x Celestial coordinate systems
|x Quadrants
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|a Economics
|x Economic disciplines
|x Financial economics
|x Finance
|x Stock exchanges
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|a Mathematics
|x Mathematical expressions
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|a Mathematics
|x Mathematical objects
|x Mathematical series
|x Series convergence
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|a research-article
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|a Coles, Stuart
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of the Royal Statistical Society. Series B (Statistical Methodology)
|d Blackwell Publishers
|g 65(2003), 4, Seite 851-867
|w (DE-627)30219746X
|w (DE-600)1490719-7
|x 14679868
|7 nnns
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|g volume:65
|g year:2003
|g number:4
|g pages:851-867
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|u https://www.jstor.org/stable/3647587
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|d 65
|j 2003
|e 4
|h 851-867
|