On robust tail index estimation for linear Long-memory processes
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2012
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Journal of Time Series Analysis. 2012, 33(3), pp. 406-423. ISSN 0143-9782. eISSN 1467-9892. Available under: doi: 10.1111/j.1467-9892.2011.00774.x
Zusammenfassung
We consider robust estimation of the tail index α for linear long-memory processes inline image with i.i.d. innovations εj following a symmetric α-stable law (1 < α < 2) and coefficients aj ∼ c·j−βinline image. Estimates based on the left and right tail respectively are obtained together with a combined statistic with improved efficiency, and a test statistic comparing both tails. Asymptotic results are derived. Simulations illustrate the finite sample performance.
Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
510 Mathematik
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Long memory, infinite variance, tail index, M-estimation
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BERAN, Jan, Bikramjit DAS, Dieter SCHELL, 2012. On robust tail index estimation for linear Long-memory processes. In: Journal of Time Series Analysis. 2012, 33(3), pp. 406-423. ISSN 0143-9782. eISSN 1467-9892. Available under: doi: 10.1111/j.1467-9892.2011.00774.xBibTex
@article{Beran2012robus-23238, year={2012}, doi={10.1111/j.1467-9892.2011.00774.x}, title={On robust tail index estimation for linear Long-memory processes}, number={3}, volume={33}, issn={0143-9782}, journal={Journal of Time Series Analysis}, pages={406--423}, author={Beran, Jan and Das, Bikramjit and Schell, Dieter} }
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