On the limit behavior of the periodogram of high-frequency sampled stable CARMA processes
On the limit behavior of the periodogram of high-frequency sampled stable CARMA processes
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高频采样稳定CARMA过程周期图的极限行为
DOI:
10.1016/j.spa.2012.08.003
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发表时间:
2013
影响因子:
1.4
通讯作者:
中科院分区:
文献类型:
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In this paper we consider a continuous-time autoregressive moving average (CARMA) process [Formula: see text] driven by a symmetric α-stable Lévy process with α∈(0,2] sampled at a high-frequency time-grid {0,Δn,2Δn,…,nΔn}, where the observation grid gets finer and the last observation tends to infinity as n→∞. We investigate the normalized periodogram [Formula: see text] . Under suitable conditions on Δnwe show the convergence of the finite-dimensional distribution of both [Formula: see text] for (ω1,…,ωm)∈(R∖{0})mand of self-normalized versions of it to functions of stable distributions. The limit distributions differ depending on whether ω1,…,ωmare linearly dependent or independent over Z. For the proofs we require methods from the geometry of numbers.
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DOI:
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发表时间:
1993
期刊:
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DOI:
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2011
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DOI:
10.2139/ssrn.1138632
发表时间:
2012
期刊:
European Finance
影响因子:
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DOI:
10.1016/j.spa.2009.01.006
发表时间:
2009
期刊:
Journal of the royal statistical society series b-methodological
影响因子:
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