Mathematics – Statistics Theory
Scientific paper
2007-02-27
Lithuanian Mathematical Journal, 47, 4 (2007) 379-393
Mathematics
Statistics Theory
Scientific paper
10.1007/s10986-007-0026-6
We study the aggregation/disaggregation problem of random parameter AR(1) processes and its relation to the long memory phenomenon. We give a characterization of a subclass of aggregated processes which can be obtained from simpler, "elementary", cases. In particular cases of the mixture densities, the structure (moving average representation) of the aggregated process is investigated.
Celov Dmitrij
Leipus Remigijus
Philippe Anne
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